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Description
Lomatium is a genus of flowering plants in the carrot family Apiaceae. It comprises more than 100 species of annual or perennial herbs, native to North America. Lomatium plants can range in height from a few inches to over three feet, depending on the species. These plants are known for their delicate, lacy foliage and showy umbels of small, fragrant flowers.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Apiales |
| Family | Apiaceae |
| Genus | Lomatium |
Appearance
Lomatium plants have finely divided, fern-like leaves that are typically green or gray-green in color. The leaves are arranged in a basal rosette at the base of the stem, and can range in size from small and delicate to several inches long. The stems of Lomatium plants are thin and wiry, and may be branched or unbranched. The flowers of Lomatium are small and typically white or yellow, and are arranged in flat-topped clusters called umbels. The individual flowers have five petals and are quite fragrant.
Care Guide
Lomatium plants are hardy and versatile, and can thrive in a range of growing conditions. Here are some tips for caring for your Lomatium plants:
- Water: Lomatium plants are drought-tolerant and do not require frequent watering. Water deeply once a week, or as needed to keep the soil moist but not waterlogged.
- Fertilization: Lomatium plants do not require fertilizer, but can benefit from a light application of a balanced fertilizer in early spring.
- Soil: Lomatium plants prefer well-draining soil that is rich in organic matter. They can tolerate a range of soil types, from sandy to clayey.
- Sunlight: Lomatium plants prefer full sun to partial shade, and can tolerate a range of light conditions.
- Hardiness Zones: Lomatium plants can grow in USDA Hardiness Zones 4-9.
Common Pests & Diseases
Lomatium plants are generally resistant to pests and diseases, but they can be susceptible to some common issues:
- Aphids: These small, soft-bodied insects can cluster on the undersides of leaves and cause damage by sucking sap from the plant. Control aphids with insecticidal soap or neem oil.
- Leaf spot: This fungal disease can cause brown or black spots on the leaves of Lomatium plants. Remove infected leaves and treat with a fungicide if necessary.
- Powdery mildew: This fungal disease can cause a white or gray powdery coating on the leaves of Lomatium plants. Control powdery mildew with a fungicide or by improving air circulation around the plant.
Habitat
Lomatium plants are native to North America and can be found in a variety of habitats, from dry, rocky slopes to moist meadows. Some species are adapted to desert environments, while others thrive in mountainous regions. Lomatium plants are known for their hardiness and ability to grow in a range of soils and light conditions.
Question and Answer
Q: Are Lomatium plants deer-resistant?
A: Yes, Lomatium plants are deer-resistant and can be a good choice for gardens in areas where deer are a problem.
Q: Can Lomatium plants be grown in containers?
A: Yes, Lomatium plants can be grown in containers as long as they have well-draining soil and receive adequate sunlight and water.
Q: How often should I prune my Lomatium plants?
A: Lomatium plants do not require frequent pruning, but you can remove any dead or damaged stems or leaves as needed to maintain the plant’s appearance.
Q: Can Lomatium plants be propagated by cuttings?
A: Lomatium plants can be propagated by seed or by division in the spring. They are not typically propagated by cuttings.
Related Plants
- Cow Parsnip (Heracleum maximum)
- Yarrow (Achillea millefolium)
- Goldenrod (Solidago spp.)
- Wild Bergamot (Monarda fistulosa)
References
- “Lomatium.” Flora of North America.
- “Lomatium.” Missouri Botanical Garden.
- “Lomatium.” Wildflower Center.
