Imagine More Perennials Than You Can Imagine, Delivered To You - Free

Shop by Category

Tiarella

Tiarella, commonly known as foamflower, is a captivating genus of shade-loving perennials that brings a touch of elegance and woodland charm to gardens. With their delicate, foam-like flower spikes and attractive foliage, these plants have become increasingly popular among gardeners seeking low-maintenance and long-lasting beauty. This comprehensive guide will explore the unique characteristics of Tiarella, delve into its native habitat and various uses in landscaping, and provide essential tips for planting and care.

What Makes Tiarella So Special? Tiarella possesses several key features that make it a standout choice for gardeners:

  • Shade Tolerance: Tiarella thrives in shady conditions, making it an ideal choice for woodland gardens, shaded borders, and underplanting beneath trees and shrubs. It brightens up those often-neglected shady corners where many other plants struggle to grow.
  • Attractive Foliage: Tiarella boasts beautiful foliage that adds texture and interest to the garden throughout the growing season. The leaves are often lobed and may have attractive variegation or coloration, providing year-round appeal. Some varieties, like 'Running Tapestry', even retain their bronzy-red foliage throughout the winter.
  • Delicate Blooms: Tiarella produces delicate, airy spikes of flowers that resemble foam, hence the common name "foamflower". These blooms, typically white or pink, appear in spring and last for several weeks, adding a touch of elegance to the shade garden.
  • Low Maintenance: Tiarella is a low-maintenance plant that requires minimal care once established. It is relatively pest and disease-free and does not need frequent watering or fertilizing.
  • Ground Cover Potential: Some Tiarella species, such as Tiarella cordifolia var. cordifolia, spread rapidly by runners (stolons) and can be used as a ground cover in shady areas. This can help to suppress weeds and create a lush, textured carpet of foliage.

Description and Details Tiarella is a member of the Saxifragaceae family, which includes other popular garden plants like Heuchera (coral bells) and Saxifraga (rockfoil). The genus name Tiarella means "little turban," referring to the shape of the seed capsules.

Physical Characteristics

  • Leaves: Tiarella has heart-shaped basal leaves with hairy stalks. The leaves are often lobed and may have varying degrees of hairiness and variegation depending on the species and cultivar.
  • Flowers: The flowers are small and star-shaped, with five petals and long stamens that give them a "foamy" appearance. They are typically white or pink and are borne in erect racemes (flower spikes) that rise above the foliage.
  • Growth Habit: Tiarella plants are herbaceous perennials that grow from rhizomes. Some species spread by stolons, while others form clumps.

Native Habitat Tiarella is native to North America and eastern Asia. The five species found in eastern North America are primarily woodland plants, thriving in moist, shady conditions. They are often found in deciduous forests, along stream banks, and in other areas with rich, organic soil.

Landscaping Design Tips Tiarella's shade tolerance and attractive foliage make it a versatile plant for various landscaping applications:

  • Woodland Gardens: Tiarella is a natural choice for woodland gardens, where it blends seamlessly with other shade-loving plants like ferns, hostas, and trilliums.
  • Shade Borders: Use Tiarella to create lush and textured borders in shady areas. Its foliage provides interest throughout the growing season, and its delicate flower spikes add a touch of elegance in spring.
  • Ground Cover: Some Tiarella species can be used as a ground cover in shady areas, helping to suppress weeds and create a beautiful carpet of foliage.
  • Underplanting: Tiarella is an excellent choice for underplanting beneath trees and shrubs, where it can thrive in the dappled shade and add texture and color to the understory.
  • Rock Gardens: Tiarella can also be used in rock gardens, particularly in shady or partially shaded locations.
  • Containers: Tiarella can be grown in containers, adding a touch of woodland charm to patios and balconies. Just ensure that the container is large enough to accommodate its spreading habit and that the soil is kept consistently moist.

Planting and Care Tiarella is relatively easy to plant and care for:

  • Planting: The best time to plant Tiarella is in spring or fall. Choose a location with partial to full shade and moist, well-drained soil. Amend the soil with organic matter, such as compost, to improve drainage and fertility. Space plants about 12-18 inches apart to allow for adequate growth.
  • Watering: Water regularly, especially during dry periods, to keep the soil consistently moist. Avoid overwatering, as this can lead to root rot.
  • Fertilizing: Tiarella generally does not require fertilizer, but you can apply a balanced, slow-release fertilizer in spring if desired.
  • Pruning: Deadhead spent flower spikes to improve the appearance of the foliage mound. You can also cut back any dead or damaged foliage in early spring.
  • Dividing: Divide clumps every few years in spring or fall to maintain plant vigor and prevent overcrowding.

Other Insights for Gardeners

  • Companion Plants: Tiarella pairs well with a variety of shade-loving plants, including ferns, hostas, bleeding hearts (Dicentra), coral bells (Heuchera), and astilbes.
  • Propagation: Tiarella can be easily propagated by dividing mature clumps or by seed.
  • Deer Resistance: Tiarella is generally deer-resistant, making it a good choice for gardens frequented by these animals.

Tiarella, with its delicate beauty, shade tolerance, and low-maintenance nature, is a valuable addition to any shade garden. Its attractive foliage and long-lasting blooms provide interest throughout the growing season, while its adaptability makes it suitable for various garden settings. By following the planting and care tips outlined in this guide, you can ensure that this charming perennial thrives in your garden, bringing you years of enjoyment.