Contents
Description
Stilbe is a genus of flowering plants that is native to Asia and North America. It belongs to the family Saxifragaceae and is commonly known as the foamflower or false spirea. The genus comprises around 40 species that are herbaceous perennials and grow up to a height of 2-3 feet. Stilbe plants bloom in the summer months and produce plume-like flowers that come in a range of colors, including white, pink, and red. The plant’s popularity is due to its attractive foliage that remains lush even in the shade, making it an excellent choice for gardens and landscapes.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Angiosperms |
| Class | Eudicots |
| Order | Saxifragales |
| Family | Saxifragaceae |
| Genus | Stilbe |
Appearance
Stilbe plants have long, slender stems that are adorned with feathery, serrated leaves. The leaves are typically green but can range in color from bronze to purple. The flowers grow in dense clusters that resemble plumes and can reach up to 12 inches in length. Each flower has a series of small, tubular blooms that give the plant its characteristic foamy appearance. The flowers come in shades of white, pink, red, and lavender, and they bloom in the summer months.
Care Guide
Stilbe plants are relatively easy to care for and require minimal maintenance. Here are some tips for keeping your Stilbe healthy and thriving:
Water: Stilbe plants prefer moist soil, so be sure to water them regularly. Avoid letting the soil dry out completely, as this can cause the plant to wilt.
Fertilization: Stilbe plants benefit from regular fertilization during the growing season. Use a balanced, all-purpose fertilizer every four to six weeks.
Soil: Stilbe plants prefer well-draining soil that is rich in organic matter. If your soil is heavy, amend it with compost or other organic material to improve drainage.
Sunlight: Stilbe plants prefer partial shade and can tolerate full shade. Avoid planting them in direct sunlight, as this can cause the leaves to scorch.
Hardiness Zones: Stilbe plants are hardy in USDA zones 4-9.
Common Pests & Diseases
Stilbe plants are relatively pest and disease-resistant, but they can still fall prey to a few common issues. Here are some of the most common pests and diseases that affect Stilbe:
Aphids: These small, sap-sucking insects can cause Stilbe leaves to curl and become distorted. Use insecticidal soap or neem oil to control aphid infestations.
Slugs and Snails: These pests can eat holes in Stilbe leaves and flowers. Use slug bait or set up beer traps to control slugs and snails.
Powdery Mildew: This fungal disease can cause a white, powdery coating to form on Stilbe leaves. Use a fungicide to control powdery mildew.
Habitat
Stilbe plants are native to Asia and North America, where they grow in moist, shaded habitats such as woodlands and stream banks. They prefer soil that is rich in organic matter and well-draining. Stilbe plants are commonly used in shade gardens and woodland landscapes, where they add color and texture to otherwise dull areas.
Question and Answer
Q: Are Stilbe plants deer-resistant?
A: No, Stilbe plants are not deer-resistant. Deer will often browse on the leaves and flowers of Stilbe plants.
Q: Can Stilbe plants grow in full sun?
A: Stilbe plants prefer partial shade and can tolerate full shade. They are not well-suited to growing in full sun, as this can cause the leaves to scorch.
Q: How often should I fertilize my Stilbe plants?
A: Stilbe plants benefit from regular fertilization during the growing season. Use a balanced, all-purpose fertilizer every four to six weeks.
Q: Can Stilbe plants be grown in containers?
A: Yes, Stilbe plants can be grown in containers as long as the container is large enough to accommodate the plant’s root system. Be sure to use well-draining soil and water the plant regularly.
Related Plants
- Astilbe
- Heuchera
- Hosta
- Tiarella
- Epimedium
References
- Missouri Botanical Garden. (n.d.). Stilbe. Retrieved from https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=a864
- Gardening Know How. (2021). Stilbe Care – How To Grow Stilbe Plants In The Garden. Retrieved from https://www.gardeningknowhow.com/ornamental/flowers/stilbe/stilbe-plant-care.htm
- RHS. (n.d.). Stilbe. Retrieved from https://www.rhs.org.uk/plants/17433/stilbe/details
