Also called Big Seed Biscuit Root, Big Seed Lomatium, Large Fruit Lomatium, Large Fruited Desert Parsley, Large Fruited Lomatium, Bigseed Lomatium, Large Fruit Desert Parsley
Bigseed biscuitroot is a hardy, hairy-leaved wild perennial of western North American grasslands and rocky sites, grown as a native garden plant. The key to growing it is full sun and very well-drained soil, since it is adapted to dry conditions.
Family
Apiaceae (Carrot family)
Grows as
Bulb, Perennial
Light
Full sun
Water
Water sparingly once established; allow soil to dry out between waterings.
Soil
Sandy or rocky, very well-drained soil.
Temperature
Hardy to about -30 °C; tolerates hot summers.
How easy
Easy
Native range
W. & C. Canada to W. & WC. U.S.A.
Climate
temperate
About
Lomatium macrocarpum is a perennial flowering plant in the carrot family known by the common names bigseed lomatium, biscuit root or bigseed biscuitroot. It is native to much of western North America, where it can be found in various types of habitat, including the grasslands of the Great Plains, and particularly in rocky areas. It is a spreading or erect perennial herb growing up to about half a meter long with hairy, gray-green herbage. The grayish basal leaves are up to about 24 centimetres (9.4 in) long and are intricately divided into many small, narrow segments. The inflorescence bears an umbel of yellowish, greenish, purplish, or white flowers, growing from a lateral stem. The fruit is a compressed, winged, round or oval disc up to about 2 cm long.
The roots are tuberous and have been made into a flour.
Text excerpted from the Wikipedia article Lomatium macrocarpum by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.