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Description
Lithospermum Helleri, also known as Heller’s Stoneseed, is a perennial herbaceous plant that is native to North America. It belongs to the Boraginaceae family and is known for its beautiful yellow flowers, which bloom from April to June. The plant can grow up to 25 cm in height and has a spread of about 30 cm. It is commonly found in rocky or gravelly soil in the western part of the United States.
Taxonomic Information
| Domain: | Eukaryota |
|---|---|
| Kingdom: | Plantae |
| Phylum: | Spermatophyta |
| Class: | Magnoliopsida |
| Order: | Boraginales |
| Family: | Boraginaceae |
| Genus: | Lithospermum |
Appearance
Lithospermum Helleri has green, lance-shaped leaves that are up to 8 cm long. The plant produces yellow flowers that are funnel-shaped and have five petals. The flowers are about 1.5 cm in diameter and bloom in clusters at the top of the stems. The plant blooms in late spring to early summer and produces fruits that are small nutlets.
Care Guide
Lithospermum Helleri is a low-maintenance plant that is easy to care for. Here are some tips to keep your plant healthy:
- Water: Water the plant regularly, especially during the growing season. Make sure the soil is moist but not waterlogged.
- Fertilization: Fertilize the plant once a year with a general-purpose fertilizer in the spring.
- Soil: The plant prefers well-drained soil that is rich in organic matter. It can tolerate a wide range of soil types, but avoid heavy clay soils.
- Sunlight: The plant prefers full sun to partial shade. It can tolerate some shade, but too much shade can reduce flowering.
- Hardiness Zones: Lithospermum Helleri is hardy in USDA zones 3 to 8.
Common Pests & Diseases
Lithospermum Helleri is generally resistant to pests and diseases. However, here are some common problems to watch out for:
- Aphids: These small insects can suck the sap from the plant and cause stunted growth. Use insecticidal soap or a strong jet of water to control them.
- Spider mites: These tiny pests can cause yellowing and stippling of the leaves. Use insecticidal soap or neem oil to control them.
- Root rot: This fungal disease can cause the plant to wilt and die. Avoid overwatering and make sure the soil has good drainage.
Habitat
Lithospermum Helleri is native to the western part of North America, where it can be found in rocky or gravelly soil. It is commonly found in sagebrush, pinyon-juniper, and montane habitats. The plant is adapted to dry, arid environments and can tolerate drought and low-nutrient soils.
Question and Answer
Q: Is Lithospermum Helleri toxic to pets?
A: There is no information available on whether Lithospermum Helleri is toxic to pets. However, it is always best to keep pets away from plants that are not known to be safe.
Q: Can Lithospermum Helleri be grown in containers?
A: Yes, Lithospermum Helleri can be grown in containers. Make sure the container has good drainage and use a well-draining potting mix.
Q: How often should I fertilize Lithospermum Helleri?
A: Fertilize Lithospermum Helleri once a year with a general-purpose fertilizer in the spring.
Q: How do I propagate Lithospermum Helleri?
A: Lithospermum Helleri can be propagated by seed or division. Seeds should be sown in the fall or early spring. To divide the plant, dig up the clump and separate the individual plants, making sure each division has roots attached.
Related Plants
- Lithospermum arvense
- Lithospermum canescens
- Lithospermum caroliniense
- Lithospermum incisum
References
- USDA Plants Database: Lithospermum Helleri
- Missouri Botanical Garden: Lithospermum Helleri
- Wildflowers of the Pacific Northwest: Lithospermum Helleri
