Apiaceae
Nineleaf biscuitroot
Lomatium triternatum
Also known as Nineleaf desert parsley, Nine-leaf lomatium, Lomatium, Seseli triternatum
Flowering Plants · Native Plants · Native Wildflower · Biscuitroot · Lomatium · Pollinator Plant · Rock Garden · Western Native · Medicinal Herb · Apiaceae · Drought Adapted · Perennial
Nineleaf biscuitroot is a native western North American wildflower best suited to outdoor rock gardens or native plant landscapes with well-draining soil. It thrives with partial shade and consistent moisture during its spring growing season, going dormant in summer heat. This is a specialist plant that rewards patient gardeners with delicate yellow umbel flowers beloved by native pollinators.
Growing conditions
The details behind the basics
- Daily light
- 5 hours
- Watering
- Water deeply but allow soil to dry slightly between waterings · Every 7-10 days during growing season
- Maintenance
- High
- Soil
- loam
- Soil pH
- 6.5–8.8
- Temperature
- -25°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4b-9b
Form & growth
Mature size and habit
- Mature height
- 10 ft – 30 ft
- Spread
- 15 ft
- Spacing
- 18 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- Yellow
- Foliage
- Green · Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Alberta, British Columbia, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, Wyoming
- Attracts
- Bees, Butterflies
Sources: trefle, usda
More Lomatium
Related plants from the same genus
Lomatium dissectum
Lomatium dissectum
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Cous-root desert-parsley
Lomatium cous
Full Sun · Moderate · Fast
Lomatium triternatum var. macrocarpum
Lomatium triternatum var. macrocarpum
Partial Sun · Moderate · Moderate
Canby's biscuitroot
Lomatium canbyi
Partial Sun · Moderate · Moderate
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