North America Native Plant

Broadnineleaf Biscuitroot

Botanical name: Lomatium triternatum var. anomalum

USDA symbol: LOTRA

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Lomatium anomalum M.E. Jones ex J.M. Coult. & Rose (LOAN4)   

Broadnineleaf Biscuitroot: A Hidden Gem for Native Gardens If you’re looking to add some authentic Pacific Northwest charm to your garden, broadnineleaf biscuitroot (Lomatium triternatum var. anomalum) might just be the unsung hero your landscape has been waiting for. This delightful native perennial brings both beauty and ecological benefits to ...

Broadnineleaf Biscuitroot: A Hidden Gem for Native Gardens

If you’re looking to add some authentic Pacific Northwest charm to your garden, broadnineleaf biscuitroot (Lomatium triternatum var. anomalum) might just be the unsung hero your landscape has been waiting for. This delightful native perennial brings both beauty and ecological benefits to gardens across the northwestern United States.

What Makes Broadnineleaf Biscuitroot Special?

Don’t let the quirky name fool you – this plant is anything but ordinary! Broadnineleaf biscuitroot is a native herbaceous perennial that belongs to the carrot family. As a forb, it maintains a low, non-woody growth habit that makes it perfect for ground-level interest in your garden. The plant produces delicate, fernlike foliage that’s deeply divided and creates an almost lacy texture in the landscape.

During blooming season, you’ll be treated to clusters of small, creamy white flowers arranged in distinctive umbrella-shaped formations called umbels. These charming blooms not only add visual appeal but also serve as magnets for beneficial insects and native pollinators.

Where Does It Call Home?

This native beauty has quite an impressive range across the American West. You’ll find broadnineleaf biscuitroot growing naturally in Idaho, Montana, Oregon, Utah, Washington, and Wyoming. It’s perfectly adapted to the climate and growing conditions of these regions, making it an excellent choice for gardeners wanting to work with nature rather than against it.

Perfect Garden Roles

Broadnineleaf biscuitroot shines in several garden settings:

  • Native plant gardens: An authentic choice that supports local ecosystems
  • Rock gardens: Its drought tolerance and compact habit make it ideal for rocky, well-draining sites
  • Xerophytic landscapes: Perfect for water-wise gardening
  • Naturalized areas: Helps create that effortless, wild look
  • Ground cover: Provides low-growing texture and seasonal interest

Growing Conditions That Make It Happy

One of the best things about broadnineleaf biscuitroot is how easy-going it can be once you understand its preferences. This plant thrives in:

  • Sunlight: Full sun to partial shade
  • Soil: Well-draining soils (it really dislikes wet feet!)
  • Water: Drought tolerant once established
  • Climate: Hardy in USDA zones 4-7

Planting and Care Tips

Getting broadnineleaf biscuitroot established in your garden is refreshingly straightforward:

  • Site selection: Choose a spot with good drainage – this is non-negotiable
  • Planting: Spring or fall planting works well
  • Watering: Water regularly during the first growing season, then reduce significantly
  • Maintenance: Minimal care needed once established
  • Dormancy: Allow the plant to go naturally dormant in winter

The key to success is remembering that this plant evolved in relatively dry conditions, so resist the urge to pamper it with too much water or rich soil.

Wildlife and Pollinator Benefits

Here’s where broadnineleaf biscuitroot really earns its keep in the garden ecosystem. Those charming umbel flowers are pollinator magnets, particularly attracting small native bees and other beneficial insects. By choosing native plants like this one, you’re supporting the complex web of relationships that make healthy ecosystems possible.

Why Choose Broadnineleaf Biscuitroot?

If you’re drawn to low-maintenance plants that offer authentic regional character, broadnineleaf biscuitroot checks all the boxes. It’s drought tolerant, supports local wildlife, and adds unique texture to garden compositions. Plus, there’s something deeply satisfying about growing plants that have called your region home for thousands of years.

This native gem proves that sometimes the most rewarding garden plants are the ones that have been quietly thriving in your area all along – they just needed someone to notice their potential!

Broadnineleaf 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