Valeriana rigida is a perennial plant that belongs to the Valerianaceae family. It is commonly known as the stiff valerian and is native to the Western United States. The plant grows up to 3 feet tall and features dense clusters of tiny pink or white flowers. It has a long blooming period, which starts in late spring and continues through summer. The species is a popular choice for garden enthusiasts and is used for its ornamental value as well as its medicinal properties.
Contents
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Dipsacales |
| Family | Valerianaceae |
| Genus | Valeriana |
Appearance
The stiff valerian has an upright growth habit and grows up to 3 feet tall. The plant features palmate leaves that are dark green in color and have serrated edges. The leaves are arranged in a rosette at the base of the plant and are stemless. The flowers of the plant grow in dense clusters that are 3-4 inches wide. They are pink or white in color and have a sweet fragrance. The flowers are hermaphroditic, which means they have both male and female reproductive organs.
Care Guide
Water: The stiff valerian requires moderate watering. The soil should be kept consistently moist, but not waterlogged.
Fertilization: The plant does not require frequent fertilization, but a general-purpose fertilizer can be applied once a month during the growing season.
Soil: The stiff valerian prefers well-draining soil that is rich in organic matter. The pH of the soil should be neutral to slightly acidic.
Sunlight: The plant prefers full sun to partial shade. It can tolerate some shade, but too much shade can lead to weak growth and fewer blooms.
Hardiness Zones: The stiff valerian is hardy in USDA zones 5-9.
Common Pests & Diseases
The stiff valerian is generally resistant to pests and diseases. However, it can be affected by spider mites, aphids, and powdery mildew. Regular monitoring and treatment with insecticidal soap or neem oil can help prevent these issues.
Habitat
The stiff valerian is native to the Western United States and can be found in open woods, meadows, and rocky slopes. It prefers well-draining soil and is often found growing in dry, rocky areas.
Questions and Answers
Q: Is the stiff valerian deer-resistant?
A: Yes, the plant is deer-resistant.
Q: How often should I water my stiff valerian?
A: The plant requires moderate watering. The soil should be kept consistently moist, but not waterlogged.
Q: Can I grow the stiff valerian in a container?
A: Yes, the plant can be grown in a container. Make sure the pot has good drainage and use a well-draining potting mix.
Q: Can the stiff valerian be grown from seed?
A: Yes, the plant can be grown from seed. Sow the seeds in a well-draining potting mix and keep them moist. Germination can take up to 4 weeks.
Related Plants
- Valeriana officinalis (common valerian)
- Valeriana edulis (mountain valerian)
- Valeriana acutiloba (sharp-lobed valerian)
References
- “Valeriana rigida.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=e752.
- “Valeriana rigida.” Plants of the World Online, Kew Science, powo.science.kew.org/taxon/urn:lsid:ipni.org:names:866067-1.
- “Valeriana rigida.” United States Department of Agriculture, plants.usda.gov/core/profile?symbol=VARI.
