Contents
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Malpighiales |
| Family | Hypericaceae |
| Genus | Hypericum |
Appearance
Hypericum Fasciculatum, also known as Clustered St. John’s Wort, is a perennial herb that grows up to 3 feet tall and 2 feet wide. Its leaves are oblong to lance-shaped and can grow up to 1.5 inches long. The plant produces bright yellow flowers that bloom from June to September. The flowers are about 1 inch in diameter with five petals and numerous stamens. The fruit is a capsule, about 1/4 inch in diameter, that contains numerous small seeds.
Care Guide
To care for Hypericum Fasciculatum, it is important to provide it with well-draining soil and full sun to partial shade. Water regularly to keep the soil moist, but not waterlogged. Fertilize the plant once a month during the growing season with a balanced fertilizer. Hypericum Fasciculatum can tolerate a range of soil pH levels, but prefers slightly acidic soil. It is hardy in USDA zones 7-10.
Common Pests & Diseases
Hypericum Fasciculatum is generally resistant to pests and diseases. However, it can be susceptible to fungal diseases such as powdery mildew and rust. To prevent these diseases, avoid overhead watering and ensure good air circulation around the plant. If necessary, treat with a fungicide. Insects such as aphids and spider mites may also infest the plant. These can be controlled with insecticidal soap or neem oil.
Habitat
Hypericum Fasciculatum is native to western North America, where it grows in a variety of habitats including dry slopes, meadows, and forests. It prefers well-draining soil and can tolerate drought conditions. The plant is also commonly used in landscaping and as a cut flower.
Question and Answer
Q: Is Hypericum Fasciculatum poisonous?
A: While Hypericum Fasciculatum is not generally considered toxic, it can cause skin irritation in some people. Ingesting large amounts of the plant can also cause stomach upset.
Q: Can Hypericum Fasciculatum be grown in containers?
A: Yes, Hypericum Fasciculatum can be grown in containers as long as they are large enough to accommodate the plant’s root system. Use well-draining soil and water regularly.
Q: How often should Hypericum Fasciculatum be pruned?
A: Prune Hypericum Fasciculatum in early spring before new growth appears. Cut back any dead or damaged branches and shape the plant as desired.
Q: Can Hypericum Fasciculatum be propagated from cuttings?
A: Yes, Hypericum Fasciculatum can be propagated from softwood cuttings taken in the summer. Dip the cuttings in rooting hormone and plant in well-draining soil. Keep the soil moist and provide the cuttings with bright, indirect light until they root.
Related Plants
- Hypericum Perforatum (Common St. John’s Wort)
- Hypericum Androsaemum (Tutsan)
- Hypericum Calycinum (Rose of Sharon)
- Hypericum Moserianum (Tricolor St. John’s Wort)
References
- “Hypericum Fasciculatum.” Sunset Western Garden Book, 9th Edition: The Complete Guide to Gardening in the West. Sunset Publishing Corporation, 2012.
- “Hypericum Fasciculatum.” Missouri Botanical Garden. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c882
- “Hypericum Fasciculatum.” California Native Plant Society. https://www.cnps.org/gardening/gardening-resources/plants/hypericum-fasciculatum
