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Description
Tiarella Trifoliata Var. Unifoliata, commonly known as Foamflower, is a herbaceous perennial plant that belongs to the Saxifragaceae family. It is native to the temperate regions of North America, including eastern Canada and the United States.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Saxifragales |
| Family | Saxifragaceae |
| Genus | Tiarella |
Appearance
Tiarella Trifoliata Var. Unifoliata has heart-shaped leaves that are deep green with a bronze tint. The leaves have a velvety texture and are toothed on the edges. The plant produces delicate white or pink flowers that bloom in late spring or early summer. The flowers are arranged in a slender spike that rises above the foliage.
Care Guide
For optimal growth and health, Tiarella Trifoliata Var. Unifoliata requires moist, well-drained soil that is rich in organic matter. It prefers partial shade but can tolerate full sun in cooler climates. The plant should be watered regularly, especially during dry periods, to keep the soil moist. Fertilize the plant with a balanced fertilizer in the spring and again in mid-summer. Tiarella Trifoliata Var. Unifoliata is hardy in USDA zones 4-8.
Common Pests & Diseases
Tiarella Trifoliata Var. Unifoliata is generally not prone to serious pest or disease problems. However, it may be susceptible to powdery mildew, leaf spot, and rust if grown in conditions that are too humid or if the plant is overcrowded. Slugs and snails may also feed on the foliage. To prevent these issues, provide adequate air circulation, avoid overhead watering, and remove any damaged or diseased foliage promptly.
Habitat
Tiarella Trifoliata Var. Unifoliata is found in a variety of habitats, including woodlands, meadows, and rocky slopes. It prefers moist, well-drained soil and partial shade. The plant is often used in shade gardens, rock gardens, and woodland gardens.
Question and Answer
Q: Can Tiarella Trifoliata Var. Unifoliata be grown in containers?
A: Yes, Tiarella Trifoliata Var. Unifoliata can be grown in containers as long as the soil is kept moist and the plant is provided with partial shade.
Q: How often should Tiarella Trifoliata Var. Unifoliata be fertilized?
A: Tiarella Trifoliata Var. Unifoliata should be fertilized with a balanced fertilizer in the spring and again in mid-summer.
Q: Is Tiarella Trifoliata Var. Unifoliata a deer-resistant plant?
A: Yes, Tiarella Trifoliata Var. Unifoliata is considered to be deer-resistant.
Q: When is the best time to plant Tiarella Trifoliata Var. Unifoliata?
A: Tiarella Trifoliata Var. Unifoliata is best planted in the spring or fall when temperatures are cooler and rainfall is more abundant.
Related Plants
- Tiarella Cordifolia
- Tiarella Wherryi
- Tiarella Pentaphylla
References
- Dirr, Michael A. Dirr’s Encyclopedia of Trees and Shrubs. Timber Press, 2019.
- Horticulture Magazine. “Tiarella: An Underused Shade Plant.” Horticulture Magazine, 2019, www.hortmag.com/plants/tiarella-an-underused-shade-plant.
- Missouri Botanical Garden. “Tiarella Trifoliata Var. Unifoliata.” Missouri Botanical Garden, 2021, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=d590.
