North America Native Plant

Nineleaf Biscuitroot

Botanical name: Lomatium triternatum

USDA symbol: LOTR2

Life cycle: perennial

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

Nineleaf Biscuitroot: A Hidden Gem for Early Spring Gardens If you’re looking to add some early spring magic to your native garden, let me introduce you to a delightful wildflower that most gardeners have never heard of: nineleaf biscuitroot (Lomatium triternatum). This charming perennial might have an unusual name, but ...

Nineleaf Biscuitroot: A Hidden Gem for Early Spring Gardens

If you’re looking to add some early spring magic to your native garden, let me introduce you to a delightful wildflower that most gardeners have never heard of: nineleaf biscuitroot (Lomatium triternatum). This charming perennial might have an unusual name, but it’s exactly the kind of plant that can transform your garden into an early-season pollinator paradise.

What Makes Nineleaf Biscuitroot Special?

Nineleaf biscuitroot is a true native gem, naturally occurring across western North America from Canada down to California. You’ll find this hardy perennial growing wild in Alberta, British Columbia, California, Idaho, Montana, Nevada, Oregon, Utah, Washington, and Wyoming. As a member of the carrot family, it produces clusters of bright yellow flowers that appear in early spring when most other plants are still sleeping.

This herbaceous perennial grows to about 2.2 feet tall with a moderate growth rate and features finely textured, green foliage that’s beautifully divided—hence the nineleaf in its name. The plant forms a single crown and maintains an upright, erect shape that adds lovely vertical interest to garden beds.

Why Your Garden (and Local Wildlife) Will Love It

The real magic of nineleaf biscuitroot lies in its timing. When it blooms in early spring, it provides crucial nectar for emerging native bees and other pollinators who are desperately seeking food sources after a long winter. Those cheerful yellow flower clusters aren’t just pretty—they’re a lifeline for beneficial insects.

From a design perspective, this plant is perfect for:

  • Native plant gardens and naturalized areas
  • Wildflower meadows
  • Xeriscaping projects
  • Early spring interest in perennial borders

Growing Conditions: What Nineleaf Biscuitroot Needs

The good news is that nineleaf biscuitroot isn’t particularly fussy, but it does have some specific preferences. This plant thrives in USDA hardiness zones 3-9, tolerating temperatures as low as -33°F, making it suitable for most of the continental United States.

Soil Requirements:

  • Well-draining soils are essential—it adapts to coarse and medium-textured soils but not heavy clay
  • pH range of 6.5 to 8.8 (slightly acidic to alkaline)
  • Low fertility requirements—no need for rich, amended soil
  • Root depth needs at least 20 inches

Water and Light:

  • Medium water needs with low drought tolerance initially
  • Intermediate shade tolerance (full sun to partial shade)
  • Annual precipitation needs: 8-20 inches

How to Plant and Care for Nineleaf Biscuitroot

Growing nineleaf biscuitroot requires patience, but the rewards are worth it. This plant is typically propagated by seed, and here’s what you need to know:

Seed Starting:

  • Cold stratification is required for germination
  • Seeds are produced in spring with medium abundance
  • Expect slow seedling establishment and medium seedling vigor
  • Commercial availability is limited to contracting only

Long-term Care:

  • This is a low-maintenance plant once established
  • No special fertilization needed due to low fertility requirements
  • Moderate lifespan with slow regrowth after disturbance
  • The plant doesn’t spread vegetatively, so it stays where you plant it

Is Nineleaf Biscuitroot Right for Your Garden?

Nineleaf biscuitroot is ideal for gardeners who want to support native ecosystems and don’t mind a slower-growing plant that rewards patience with early spring beauty. It’s particularly valuable if you’re creating habitat for native pollinators or establishing a low-maintenance native garden.

However, this might not be the best choice if you’re looking for instant gratification or dramatic garden impact. The plant’s moderate growth rate and specialized growing requirements mean it’s better suited for dedicated native plant enthusiasts rather than casual gardeners seeking quick results.

If you can source seeds responsibly and are willing to provide the cold stratification and well-draining conditions this plant needs, nineleaf biscuitroot can be a wonderful addition to western native gardens. Just remember—good things come to those who wait, and your early spring pollinators will thank you for the effort!

How

Nineleaf Biscuitroot

Grows

Growing season

Spring and Summer

Lifespan

Moderate

Growth form & shape

Single Crown and Erect

Growth rate

Moderate

Height at 20 years
Maximum height

2.2

Foliage color

Green

Summer foliage density

Porous

Winter foliage density

Porous

Foliage retention

No

Flowering

Yes

Flower color

Yellow

Fruit/seeds

No

Fruit/seed color

Brown

Allelopath

No

Nitrogen fixing

None

Toxic

None

C:N Ratio

Low

Fire Resistant

No

Foliage Texture

Fine

Low-growing Grass

No

Resproutability

No

Coppice Ability

No

Bloat

None

Nineleaf Biscuitroot

Growing Conditions

Adapted to Coarse Soil

Yes

Adapted to Medium Soil

Yes

Adapted to Fine Soil

No

Anaerobic tolerance

None

CaCO₃ tolerance

Medium

Cold Stratification

Yes

Drought tolerance

Low

Nutrient requirement

Low

Fire tolerance

Medium

Frost-free days minimum

120

Hedge tolerance

None

Moisture requirement

Medium

pH range

6.5 to 8.8

Plants per acre
Precipitation range (in)

8 to 20

Min root depth (in)

20

Salt tolerance

Low

Shade tolerance

Intermediate

Min temperature (F)

-33

Cultivating

Nineleaf Biscuitroot

Flowering season

Early Spring

Commercial availability

Contracting Only

Fruit/seed abundance

Medium

Fruit/seed season

Spring to Spring

Fruit/seed persistence

No

Propagated by bare root

No

Propagated by bulb

No

Propagated by container

No

Propagated by corm

No

Propagated by cuttings

No

Propagated by seed

Yes

Propagated by sod

No

Propagated by sprigs

No

Propagated by tubers

No

Seed per pound

64

Seed spread rate

Slow

Seedling vigor

Medium

Small grain

No

Vegetative spread rate

None

Nineleaf Biscuitroot

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Apiales

Family

Apiaceae Lindl. - Carrot family

Genus

Lomatium Raf. - desertparsley

Species

Lomatium triternatum (Pursh) J.M. Coult. & Rose - nineleaf biscuitroot

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA