Alphabetical Plant Listing

Lomatium dissectum (Fernleaf Biscuitroot)

Fernleaf Biscuitroot, Fernleaf Desert-Parsley, Carrotleaf, Biscuitroot, Chocolate Tips, Fernleaf Desert-Parsley, Giant Lomatium, Lace-Leaved Leptotaenia, Wild Carrot


Lomatium dissectum (Fernleaf Biscuitroot) is a long-lived perennial with ascending, hollow stems and aromatic, fern-like, pinnately or ternate-pinnately dissected leaves. In early to mid summer, flowers are produced in large compound umbels packed with up to 50-200 small, greenish-yellow blossoms. They are followed by flattened, oblong to oval, dry two-seeded fruits. A single umbel can produce hundreds of seeds. Fernleaf Biscuitroot is a food source for a variety of wildlife from bears to bees. It is crucial early season forage for many wildlife species and domestic grazers. Fernleaf Biscuitroot is important to many insects, including native bees, moths, butterflies. Fernleaf Biscuitroot was and continues to be used for food, medicine, and ceremonies by Indigenous peoples of the western US and southwestern Canada. Noted for its conspicuous flowers, low water needs and drought tolerance, Fernleaf Biscuitroot is a desirable plant for native plant gardens and low-maintenance landscaping situations.

  • Grows up to 2-5 ft. tall (60-150 cm). 
  • Performs best in full sun in dry, rocky to fine-textured, well-drained soils. Tolerates partial shade. Drought tolerant once established.
  • Fernleaf Biscuitroot is a great candidate for cottage gardens, pollinator gardens, wildflower gardens, and naturalized areas.
  • Propagate by seed. Provide an extremely long stratification. 
  • Keep an eye out for beetles, moths, midges, leaf miner flies, aphids, and rust.
  • Promptly remove the seed pods if self-seeding is not desired. Seedling growth is slow, and it takes 2 years for plants to reach transplant size and 2 or more years to flower.
  • Native to the western United States and adjacent parts of southwestern Canada. Populations occur from British Columbia to Saskatchewan and south to New Mexico and California.

 

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Requirements

Hardiness 5 – 10
Plant Type Perennials
Exposure Full Sun, Partial Sun
Season of Interest Summer (Early,Mid)
Height 2' – 5' (60cm – 150cm)
Water Needs Low
Maintenance Low
Soil Type Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Showy
Native Plants United States, California, Pacific Northwest, Idaho, Oregon, Washington, Rocky Mountains, Colorado, Montana, Utah, Wyoming, Southwest, Nevada, Arizona
Tolerance Drought
Garden Styles Informal and Cottage, Prairie and Meadow

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Andrey Zharkikh, Matt Lavin, David Prasad, Flickr

 

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 5 – 10
Plant Type Perennials
Exposure Full Sun, Partial Sun
Season of Interest Summer (Early,Mid)
Height 2' – 5' (60cm – 150cm)
Water Needs Low
Maintenance Low
Soil Type Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Showy
Native Plants United States, California, Pacific Northwest, Idaho, Oregon, Washington, Rocky Mountains, Colorado, Montana, Utah, Wyoming, Southwest, Nevada, Arizona
Tolerance Drought
Garden Styles Informal and Cottage, Prairie and Meadow

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