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Winter Interest

Perennial plants are essential for bringing year-round interest to your garden, especially during the winter months when many other plants have faded. By carefully selecting perennials with specific attributes, you can transform a potentially bleak winter landscape into a dynamic and captivating scene.

  • Iberis sempervirens Snowflake 25 BR Plants Iberis sempervirens Snowflake 25 BR Plants

    Iberis sempervirens 'Snowflake' (25) BR Plants

    Iberis sempervirens 'Snowflake' (25) Bare Root Plants Common name: Evergreen Candytuft. A blanket of pure white! Large clusters of flowers carpet the narrow, evergreen leaves from mid to late spring. This variety is a new vegetative selection which...

    $206.81
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  • Lavandula a Essence Purple 20ct Flat Lavandula a Essence Purple 20ct Flat

    Lavandula a. 'Essence Purple' (20)ct Flat

    Lavandula angustifolia 'Essence Purple' (20)ct FlatCommon Name: English Lavender In our trials here at Walters Gardens, we have been trialing a lot of varieties of Lavender because it meets the needs of today’s home gardeners: it is long blooming,...

    $185.71
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  • Lavandula a Essence Purple PPAF 25 BR Plants Lavandula a Essence Purple PPAF 25 BR Plants

    Lavandula a. 'Essence Purple' (25) BR Plants

    Lavandula a. 'Essence Purple' (25) Bare Root PlantsCommon Name: English Lavender In our trials here at Walters Gardens, we have been trialing a lot of varieties of Lavender because it meets the needs of today’s home gardeners: it is long...

    $212.83
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  • Lavandula a. 'Hidcote' (20)ct Flat Lavandula a Hidcote 20ct Flat

    Lavandula a. 'Hidcote' (20)ct Flat

    Lavandula angustifolia 'Hidcote' (20)ct FlatCommon Name: English Lavender Deep violet-purple flower spikes fill the air with their sweet, intoxicating fragrance all summer long. Though this cultivar has been grown for over 50 years, it remains one of the...

    $179.96
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  • Lavandula a. 'Hidcote' (25) BR Plants Lavandula a. 'Hidcote' (25) BR Plants

    Lavandula a. 'Hidcote' (25) BR Plants

    Lavandula angustifolia 'Hidcote' (25) Bare Root Plants Common name: Lavender, English LavenderDeep violet-purple flower spikes fill the air with their sweet, fragrance all summer long. Though this cultivar has been grown for over 50 years, it...

    $204.67
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  • Lavandula a Imperial Gem 20ct Flat Lavandula a Imperial Gem 20ct Flat

    Lavandula a. 'Imperial Gem' (20)ct Flat

    Lavandula 'Imperial Gem' (20)ct FlatCommon Name: English Lavender A compact variety with numerous purple flowers in summer. Proportionate flower stems keep the plant from looking leggy or flopping under the weight of its blooms. The habit is well-rounded...

    $184.28
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  • Lavandula a. 'Munstead' (20)ct Flat Lavandula a Munstead 20ct Flat

    Lavandula a. 'Munstead' (20)ct Flat

    Lavandula angustifolia 'Munstead' (20)ct FlatCommon Name: English Lavender Rich lavender flower spikes fill the air with their sweet, intoxicating fragrance all summer long. Though this cultivar was introduced to the trade in 1916, it remains one of the...

    $179.59
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  • Lavandula a Munstead 25 BR Plants Lavandula a Munstead 25 BR Plants

    Lavandula a. 'Munstead' (25) BR Plants

    Lavandula angustifolia 'Munstead' (25) Bare Root Plants Common name: English Lavender. Rich lavender flower spikes fill the air with their sweet, fragrance all summer long. Though this cultivar was introduced to the trade in 1916, it remains one of the...

    $204.67
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Key Features to Look for in Winter Perennials:

  • Colorful Berries: The vibrant hues of berries provide a striking contrast against the muted tones of winter. Consider plants like Winterberry Holly ( Ilex verticillata), Beautyberry (Callicarpa americana), and Cotoneaster, which offer a range of berry colors from red and orange to purple and yellow. These berries not only add visual interest but also provide a valuable food source for birds.
  • Persistent Foliage: Evergreen perennials, such as Hellebores (Helleborus spp.) and Heuchera, retain their foliage throughout the year, providing a constant source of color and texture. Hellebores, also known as Lenten roses, offer the added bonus of blooming in late winter or early spring, adding a touch of unexpected color to the garden. Heuchera, with its wide variety of foliage colors, can brighten up even the dullest winter days.
  • Distinctive Forms: Plants with unique shapes or structures create focal points and add architectural interest to the winter garden. Ornamental grasses, with their graceful, arching stems and seed heads, provide movement and texture. Red Twig Dogwood (Cornus sericea) offers vibrant red stems that stand out against the snow, while Harry Lauder's Walking Stick (Corylus avellana 'Contorta') adds a sculptural element with its twisted and contorted branches.

Enhancing Winter Interest:

  • Early Bloomers: Complement your winter perennials with early-blooming plants like hellebores (Lenten roses), snowdrops (Galanthus spp.), and winter aconite (Eranthis hyemalis). These plants can flower even when snow is on the ground, adding a welcome touch of color and life to the garden.
  • Evergreen Backdrop: Evergreen trees and shrubs provide a consistent backdrop of green throughout the year, enhancing the beauty of your winter perennials. Consider conifers like pines, spruces, and firs, or broadleaf evergreens like hollies and rhododendrons.
  • Interesting Bark: Do not overlook the beauty of bark! Trees and shrubs with exfoliating bark, such as paperbark maple (Acer griseum) or river birch (Betula nigra), add texture and visual interest to the winter garden.

Additional Considerations:

  • Hardiness: Choose plants that are hardy in your USDA Hardiness Zone to ensure they can withstand the winter conditions in your area.
  • Mature Size and Shape: Consider the mature size and shape of the plants to ensure they fit well in your garden and do not overcrowd other plants.
  • Planting in Groups: Planting perennials in groups creates a more dramatic effect and enhances their visual impact.
  • Pruning: Proper pruning helps maintain the shape and health of your plants and can encourage better blooming and growth.

By incorporating a diverse selection of perennials with these key features, you can create a winter garden that is not only beautiful but also resilient, providing enjoyment throughout the year. Remember to consider your local climate, plant in groups for greater impact, add texture with different foliage types, and prune regularly to keep your plants healthy and thriving. With careful planning and attention to detail, your winter garden can be a source of beauty and wonder even during the coldest months of the year.

Winter garden interest

A winter interesting perennial garden is designed to provide beauty and visual appeal even during the coldest months of the year, when many plants are dormant. It goes beyond just surviving the winter; it thrives in the winter. Here is what makes it special:  

Key Features:

  • Structure and Form: Relies on plants that retain interesting shapes or features even after they have died back. Think:  
    • Ornamental grasses: Their upright stems and seed heads sway in the wind and catch frost beautifully.
    • Plants with persistent seed heads: Coneflowers, black-eyed Susans, and sedum add texture and provide food for birds.
    • Shrubs with interesting bark: Red twig dogwood or paperbark maple provide vibrant color and texture.
  • Evergreen Elements: Incorporates evergreen plants to provide a backdrop of green throughout the winter.
    • Conifers: Provide structure and a sense of permanence.
    • Broadleaf evergreens: Like hellebores or heuchera, offer varied foliage colors and textures.
  • Color: While muted tones are common in winter, pops of color can be achieved through:
    • Berries: Winterberry holly, beautyberry, and cotoneaster provide vibrant red, purple, and orange hues.
    • Stems: Red twig dogwood and yellow twig dogwood offer bright stem color.
    • Winter-blooming plants: Hellebores (Lenten rose) bloom in late winter, adding a welcome touch of color.
  • Texture: A variety of textures creates visual interest.
    • Grasses: Offer fine, feathery textures.
    • Seed heads: Provide coarse or spiky textures.
    • Evergreens: Can have smooth, rough, or needle-like textures.

Benefits of a Winter Interest Garden:

  • Year-Round Beauty: Extends the enjoyment of your garden beyond the growing season.
  • Wildlife Habitat: Provides food and shelter for birds and other wildlife during the harsh winter months.
  • Sense of Place: Creates a connection to the natural world, even in the depths of winter.
  • Reduced Maintenance: Often requires less upkeep than a traditional summer garden.

Creating a winter interest garden requires careful planning and plant selection, but the rewards are well worth the effort. By considering the elements of structure, evergreen plants, color, and texture, you can create a garden that is both beautiful and resilient, providing enjoyment throughout the year.

Mass plantings of ornamental grasses can bring a stunning and dynamic element to your winter landscape. Here are some design ideas to inspire you:

1. Play with Height and Texture:

  • Combine different varieties: Mix tall, upright grasses like Miscanthus 'Gracillimus' or Calamagrostis x acutiflora 'Karl Foerster' with shorter, mounding types like 'Elijah Blue' fescue or Hakonechloa macra 'Aureola' (Golden Japanese Forest Grass). This creates a layered effect and adds depth to the planting.
  • Contrast textures: Pair fine-textured grasses like Nassella tenuissima (Mexican Feather Grass) with bold, coarse-textured varieties like Panicum virgatum 'Northwind' or 'Heavy Metal' switchgrass. This interplay of textures adds visual interest.

2. Utilize Movement and Sound:

  • Embrace the wind: Plant grasses in locations where they can sway freely in the breeze. The movement creates a sense of dynamism and brings the garden to life.
  • Consider rustling sounds: Some grasses, like 'Prairie Sky' switchgrass, produce a gentle rustling sound when the wind blows through them, adding another sensory dimension to the garden.

3. Highlight Winter Color:

  • Choose grasses with persistent seed heads: Many grasses hold their attractive seed heads throughout the winter, providing subtle color and texture. Look for varieties like Pennisetum alopecuroides 'Hameln' (Fountain Grass) or Sporobolus heterolepis (Prairie Dropseed).
  • Incorporate grasses with colorful foliage: Some grasses, like Imperata cylindrica 'Red Baron' (Japanese Blood Grass) or Panicum virgatum 'Shenandoah' (Switchgrass), develop rich red or purple hues in the fall that persist into winter.

4. Create a Sense of Place:

  • Prairie-inspired planting: Mass plantings of native grasses like Schizachyrium scoparium (Little Bluestem) and Andropogon gerardii (Big Bluestem) evoke the vastness of the prairie and provide habitat for wildlife.
  • Modern minimalist design: Use sleek, upright grasses like Calamagrostis x acutiflora 'Karl Foerster' in a minimalist garden to create a sense of order and tranquility.

5. Integrate with Other Plants:

  • Combine with evergreens: Plant grasses alongside evergreen shrubs or trees to create a backdrop of green and provide contrast in form and texture.
  • Add winter-blooming perennials: Incorporate hellebores or early-blooming bulbs like snowdrops to add pops of color to the grass planting.

Design Tips for Mass Planting:

  • Plant in odd numbers: Groups of three, five, or seven create a more natural and visually appealing look.
  • Repeat groupings: Repeat the same groupings of grasses throughout the planting to create rhythm and unity.
  • Consider the mature size: Space plants appropriately to allow for their mature size and prevent overcrowding.
  • Prepare the soil: Amend the soil with organic matter to improve drainage and fertility.

By following these design ideas, you can create a stunning winter landscape with mass plantings of ornamental grasses that will provide beauty, movement, and texture throughout the coldest months of the year.

Winterizing your perennial garden is key to ensuring your plants survive the cold and come back strong in the spring. Here are the basics:

1. Clean Up:

  • Remove Debris: Clear away fallen leaves, dead annuals, and any other plant debris. This prevents pests and diseases from overwintering in your garden.
  • Cut Back Dead Foliage: For most perennials, cut back dead or dying foliage to a few inches above the ground. This helps prevent disease and makes the garden look tidier.
    • Exceptions: Some perennials benefit from leaving the foliage over winter, such as ornamental grasses and plants with seed heads that provide winter interest or food for birds (like coneflowers).
  • Weed: Remove any weeds to prevent them from spreading and competing with your perennials for resources.

2. Water Deeply:

  • Hydrate Before Winter: Water your perennials deeply before the ground freezes. This helps them survive the dry winter months.

3. Mulch:

  • Insulate and Protect: Apply a layer of mulch (2-4 inches deep) around the base of your plants after the ground freezes. This helps to:
    • Insulate the soil and keep it at a consistent temperature.
    • Prevent frost heaving, which can damage roots.
    • Conserve moisture.
    • Suppress weeds.
    • Good Mulch Choices: Shredded leaves, bark chips, pine needles, or straw.

4. Divide Overgrown Plants (Optional):

  • Fall Division: Fall can be a good time to divide overgrown perennials. This helps to rejuvenate the plants and prevent overcrowding.

5. Protect Vulnerable Plants:

  • Tender Perennials: If you have tender perennials that are not hardy in your zone, you may need to provide extra protection, such as:
    • Covering them with a frost blanket or burlap.
    • Moving potted perennials to a sheltered location.

Important Notes:

  • Timing: The best time to winterize your garden is in late fall, after the first frost but before the ground freezes solid.
  • Fertilizer: Avoid fertilizing perennials in late fall, as this can encourage new growth that is vulnerable to frost damage.
  • Regional Differences: Winterizing practices may vary depending on your climate and the specific plants in your garden.

By following these basic steps, you can help your perennial garden survive the winter and thrive in the spring!

Many herbaceous perennials offer captivating features that extend their beauty beyond the growing season. Here are some standouts with interesting winter appeal:

1. Showy Seed Heads:

  • Coneflowers (Echinacea spp.): Their spiky, cone-shaped seed heads provide architectural interest and food for birds. Leave them standing all winter for a touch of rustic charm.
  • Black-eyed Susans (Rudbeckia spp.): Similar to coneflowers, their dark brown seed heads offer a striking contrast against snowy backgrounds.
  • Sedum (Hylotelephium spp.): The dried flower heads of sedum, especially the upright varieties, add texture and a touch of warmth to the winter garden.
  • Astilbe: While their feathery plumes fade to brown, they retain an airy and delicate form that adds a touch of whimsy.

2. Persistent Foliage:

  • Hellebores (Helleborus spp.): These evergreen perennials offer leathery, dark green foliage that remains attractive throughout the winter. Plus, they often bloom in late winter or early spring!
  • Heuchera (Coral Bells): Known for their colorful foliage, many Heuchera varieties retain their leaves throughout the winter, providing a vibrant groundcover even in the coldest months.
  • Candytuft (Iberis sempervirens): This evergreen groundcover forms a dense mat of dark green foliage that adds texture and color to the winter landscape.

3. Interesting Forms:

  • Ornamental Grasses: Many ornamental grasses, such as Miscanthus, Panicum, and Calamagrostis, have upright stems and seed heads that create beautiful silhouettes against the winter sky.
  • Yarrow (Achillea spp.): The flat-topped flower clusters of yarrow dry to a silvery brown, adding a touch of subtle elegance to the winter garden.

Tips for Choosing Winter Interest Perennials:

  • Consider your climate: Choose plants that are hardy in your region.
  • Think about structure: Select plants with a variety of heights and forms.
  • Look for contrasting textures: Combine plants with fine, medium, and coarse textures.
  • Do not forget about color: Incorporate plants with berries, colorful stems, or evergreen foliage.

By incorporating these herbaceous perennials into your garden, you can create a dynamic and engaging landscape that offers beauty and interest throughout the year, even when the snow is falling!

While many perennials offer winter interest through their dried seed heads or persistent foliage, some even grace the winter garden with blooms! Here are some perennials that flower during the colder months, adding a touch of unexpected color and life to the landscape:

1. Hellebores (Helleborus spp.):

  • Bloom Time: Late winter to early spring
  • Features: Known as Lenten roses, hellebores offer a wide range of colors, from white and cream to pink, purple, and even near-black. Their nodding, cup-shaped flowers often emerge while snow is still on the ground.

2. Witch Hazel (Hamamelis spp.):

  • Bloom Time: Late winter to early spring
  • Features: Witch hazel shrubs produce spidery, fragrant flowers in shades of yellow, orange, and red. Their unique blooms add a touch of whimsy to the winter garden.

3. Winter Aconite (Eranthis hyemalis):

  • Bloom Time: Late winter to early spring
  • Features: These cheerful, buttercup-yellow flowers emerge from the ground as soon as the snow melts, often forming carpets of sunshine in the garden.

4. Snowdrops (Galanthus spp.):

  • Bloom Time: Late winter to early spring
  • Features: These delicate, white, bell-shaped flowers are a symbol of hope and renewal, often pushing through the snow to announce the arrival of spring.

5. Christmas Rose (Helleborus niger):

  • Bloom Time: Late winter
  • Features: This evergreen perennial produces pure white, saucer-shaped flowers that bloom around Christmas time in mild climates.

Tips for Growing Winter-Blooming Perennials:

  • Plant in the right location: Most winter-blooming perennials prefer partial shade and well-drained soil.
  • Provide winter protection: Mulch around the base of the plants to protect them from extreme cold and frost heaving.
  • Do not overwater: Winter-blooming perennials are susceptible to root rot if the soil is too wet.
  • Deadhead spent flowers: This encourages more blooms and prevents the plants from self-seeding.

By incorporating these winter-blooming perennials into your garden, you can enjoy a touch of color and life even during the coldest months of the year. They offer a welcome reminder that spring is on its way and bring a sense of hope and renewal to the winter landscape.

Vibrant life to your winter garden! Here are some perennials known for their colorful foliage that persists and even intensifies in the colder months:

1. Heuchera (Coral Bells):

  • Color Palette: An amazing array of colors, including burgundy, purple, bronze, chartreuse, orange, and variegated varieties.
  • Winter Interest: Many Heuchera varieties hold their colorful foliage throughout winter, especially in milder climates. The colors often become more intense with the colder temperatures.
  • Examples: 'Palace Purple', 'Caramel', 'Lime Rickey', 'Obsidian'

2. Bergenia (Pig Squeak):

  • Color Palette: Deep green leaves that often take on shades of red, purple, or bronze in winter.
  • Winter Interest: Bergenia is known for its large, leathery leaves that form attractive clumps. The foliage provides excellent ground cover and adds a bold texture to the winter garden.
  • Examples: 'Winterglut', 'Bressingham Ruby', 'Eroica'

3. Hellebores (Lenten Rose):

  • Color Palette: While known for their winter blooms, Hellebores also offer evergreen foliage in shades of deep green, often with attractive marbling or variegation.
  • Winter Interest: The leathery leaves provide a lush backdrop for the hellebores' delicate flowers and add a touch of elegance to the winter garden.
  • Examples: 'Ivory Prince', 'Anna's Red', 'Walberton's Rosemary'

4. Evergreen Ferns:

  • Color Palette: Various shades of green, from vibrant lime to deep forest green. Some varieties also offer bronze or reddish hues.
  • Winter Interest: Many ferns, such as Christmas fern (Polystichum acrostichoides) and autumn fern (Dryopteris erythrosora), retain their fronds throughout the winter, adding a touch of woodland charm to the garden.

5. Lamium (Deadnettle):

  • Color Palette: Silver, white, or yellow variegation on green leaves. Some varieties also have purple or pink foliage.
  • Winter Interest: Lamium is a low-growing groundcover that brightens shady areas of the garden. Its variegated foliage adds a touch of sparkle to the winter landscape.
  • Examples: 'White Nancy', 'Beacon Silver', 'Orchid Frost'

Tips for Choosing Colorful Foliage:

  • Consider your climate: Make sure the plants you choose are hardy in your region.
  • Think about contrast: Combine plants with different foliage colors and textures to create visual interest.
  • Plant in the right location: Pay attention to the light requirements of each plant.
  • Provide winter protection: Mulch around the base of the plants to protect them from extreme cold and frost heaving.

By incorporating these perennials into your garden, you can enjoy a vibrant tapestry of color and texture throughout the winter months. They add life and interest to the landscape when other plants are dormant, making your garden a true year-round oasis.

Evergreen perennials are fantastic for providing year-round structure and interest in your winter garden. Here are some excellent choices:

For Foliage Interest:

  • Hellebores (Helleborus spp.): Also known as Lenten rose, these shade-loving evergreens boast leathery, dark green foliage that persists throughout winter. As a bonus, they bloom in late winter or early spring, offering beautiful flowers in shades of white, pink, purple, and even near-black.
  • Heuchera (Coral Bells): These versatile plants offer a wide array of foliage colors, including bronze, purple, silver, and chartreuse. Many varieties, like 'Palace Purple' and 'Caramel,' retain their vibrant colors throughout winter.
  • Bergenia (Pigsqueak): These tough plants have large, rounded leaves that often take on reddish-bronze hues in the winter. They also produce pink or white flowers in spring.
  • Epimedium (Barrenwort): These shade-loving groundcovers have delicate, heart-shaped leaves that often emerge with a reddish tint and hold their color well into winter. Some varieties, like 'Sulphureum,' even have evergreen foliage.

For Textural Interest:

  • Ferns: Many ferns, such as Christmas fern (Polystichum acrostichoides) and autumn fern (Dryopteris erythrosora), retain their green fronds throughout the winter, adding a lush, textural element to the garden.
  • Carex (Sedge): These grass-like plants offer a variety of colors and textures. Some evergreen varieties, like 'Evergold' and 'Ice Dance,' have variegated foliage that brightens up the winter landscape.
  • Candytuft (Iberis sempervirens): This low-growing evergreen forms a dense mat of dark green foliage and produces white flowers in spring.

For Groundcover:

  • Vinca minor (Periwinkle): This vigorous groundcover has glossy, dark green leaves and produces blue flowers in spring. It is perfect for suppressing weeds and adding a carpet of green to the winter garden.
  • Pachysandra terminalis (Japanese Spurge): This shade-tolerant groundcover has leathery, dark green leaves that form a dense mat. It is a good choice for areas with dry shade.

Tips for Choosing Evergreen Perennials:

  • Consider your climate: Make sure the plants you choose are hardy in your region.
  • Assess your site conditions: Pay attention to sunlight, soil moisture, and drainage.
  • Think about the overall design: Choose plants that complement other elements in your garden, such as shrubs, trees, and hardscaping.

By incorporating these evergreen perennials into your garden, you can create a vibrant and dynamic space that offers beauty and interest throughout the year, even in the depths of winter.

Here are some ornamental grasses and perennials that offer captivating forms even when the growing season fades:

Ornamental Grasses:

  • Miscanthus sinensis (Maiden Grass):
    • Winter Form: Upright, architectural form with feathery plumes that persist and catch the snow beautifully. Varieties like 'Gracillimus' and 'Morning Light' offer graceful, cascading forms.
  • Calamagrostis x acutiflora 'Karl Foerster' (Feather Reed Grass):
    • Winter Form: Strong vertical lines with golden-brown flower spikes that remain upright and provide a striking silhouette against the winter sky.
  • Panicum virgatum (Switchgrass):
    • Winter Form: Upright clumps with airy seed heads that turn a warm golden hue. Varieties like 'Northwind' and 'Heavy Metal' offer particularly strong vertical forms.
  • Chasmanthium latifolium (Northern Sea Oats):
    • Winter Form: Unique, drooping seed heads that resemble oat grains and shimmer in the winter sunlight.

Perennials:

  • Sedum (Stonecrop):
    • Winter Form: Dried flower heads retain their shape and color, providing structural interest and textural contrast. Upright varieties like 'Autumn Joy' and 'Matrona' are especially effective.
  • Echinacea purpurea (Coneflower):
    • Winter Form: Spiky, cone-shaped seed heads that stand tall and provide a visual focal point. They also offer food for birds.
  • Phlomis russeliana (Jerusalem Sage):
    • Winter Form: Tall, sturdy stems with whorls of dried, bronze-colored flower calyces that resemble stacked coins.
  • Eryngium (Sea Holly):
    • Winter Form: Thistle-like, silvery-blue flower heads that dry and retain their color, adding a touch of metallic sheen to the winter garden.

Design Tips:

  • Combine grasses and perennials: Mix different heights, textures, and forms to create a dynamic and layered winter landscape.
  • Plant in groups: Mass plantings of grasses or perennials create a greater visual impact.
  • Consider the background: Use evergreens or a wall as a backdrop to highlight the forms of your grasses and perennials.
  • Add lighting: Uplighting or spotlights can accentuate the forms and create dramatic shadows in the evening.

By incorporating these plants into your garden, you can create a captivating winter scene that celebrates the beauty of structure, form, and texture.

Yes, generally speaking, perennial plants are designed to live through the winter! That is what distinguishes them from annuals (which complete their life cycle in one year) and biennials (which take two years).

Here's how perennials survive:

  • Dormancy: As temperatures drop and days shorten, perennials enter a period of dormancy. They slow down their growth, and their above-ground parts may die back completely. However, their roots remain alive underground.
  • Storing Energy: Throughout the growing season, perennials store energy in their roots. This stored energy helps them survive the winter and fuel new growth in the spring.
  • Cold Hardiness: Different perennials have different levels of cold hardiness, which means they can tolerate different minimum temperatures. This is often indicated by their USDA Hardiness Zone.

However, there are some exceptions and important considerations:

  • Tender Perennials: Some perennials are not hardy enough to survive harsh winters in colder climates. These are often called "tender perennials" and may need extra protection, such as mulch, frost blankets, or even being brought indoors.
  • Environmental Factors: Even hardy perennials can be damaged or killed by extreme winter conditions, such as:
    • Extreme cold: Temperatures that dip far below the plant's hardiness zone can damage or kill roots.
    • Lack of snow cover: Snow acts as insulation, protecting plants from fluctuating temperatures. A winter with little snow can leave plants vulnerable to cold damage.
    • Frost heaving: Repeated freezing and thawing of the soil can push plants out of the ground, exposing their roots.
    • Winter wet: Poorly drained soil can become waterlogged in winter, leading to root rot.

To help your perennials survive the winter:

  • Choose the right plants: Select perennials that are hardy in your climate.
  • Plant in well-drained soil: This helps prevent root rot.
  • Water deeply in fall: Hydrate plants before the ground freezes.
  • Mulch after the ground freezes: This helps insulate the soil and prevent frost heaving.
  • Provide extra protection for tender perennials: Use frost blankets or bring them indoors.

By following these tips, you can help your perennials survive the winter and come back strong in the spring!

The answer is: it depends! Here is a breakdown of why you might cut back perennials in the fall, why you might wait until spring, and some examples:

Reasons to Cut Back in Fall:

  • Disease Prevention: Removing dead or diseased foliage helps prevent the spread of fungal diseases and pests that can overwinter in the debris.
  • Tidiness: Many gardeners prefer the look of a clean and tidy garden in the winter.
  • Reduce Spring Work: Cutting back in fall means less to do when the garden wakes up in spring.

Reasons to Wait Until Spring:

  • Winter Interest: Some perennials have attractive seed heads or foliage that provide visual interest and food for birds throughout the winter (e.g., coneflowers, ornamental grasses).
  • Protection: Leaving stems and foliage can provide some insulation for the plant's crown and roots.
  • Habitat: Standing dead stems provide habitat for beneficial insects that overwinter in the garden.

Examples of Perennials to Cut Back in Fall:

  • Hostas: Their foliage dies back completely, becoming mushy and prone to disease.
  • Daylilies: Similar to hostas, their foliage deteriorates quickly.
  • Peonies: Cutting back helps prevent botrytis blight, a common fungal disease.
  • Bee balm: Prone to powdery mildew, so removing foliage helps reduce the risk of reinfection.

Examples of Perennials to Leave Until Spring:

  • Ornamental grasses: Their seed heads provide winter interest and food for birds.
  • Coneflowers: Their seed heads also provide food for birds.
  • Black-eyed Susans: Similar benefits to coneflowers.
  • Sedum: Their dried flower heads add texture to the winter garden.

Important Considerations:

  • Plant Health: If a perennial was diseased or heavily infested with pests, it is best to cut it back in fall to remove the source of the problem.
  • Personal Preference: Ultimately, the decision of whether to cut back perennials in fall or spring is partly a matter of personal preference and aesthetics.

If you are unsure about a specific plant, it is always a good idea to do some research or consult with a local gardening expert.