North America Native Plant

Howell’s Biscuitroot

Botanical name: Lomatium howellii

USDA symbol: LOHO

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Howell’s Biscuitroot: A Hidden Gem for Pacific Northwest Native Gardens If you’re looking to add some authentic Pacific Northwest charm to your garden while supporting local pollinators, let me introduce you to a delightful little native that deserves more attention: Howell’s biscuitroot (Lomatium howellii). This unassuming perennial might not have ...

Howell’s Biscuitroot: A Hidden Gem for Pacific Northwest Native Gardens

If you’re looking to add some authentic Pacific Northwest charm to your garden while supporting local pollinators, let me introduce you to a delightful little native that deserves more attention: Howell’s biscuitroot (Lomatium howellii). This unassuming perennial might not have the flashiest name, but it’s a true regional treasure that brings both beauty and ecological value to the right garden setting.

What Makes Howell’s Biscuitroot Special?

Howell’s biscuitroot is a herbaceous perennial forb that’s perfectly adapted to life in the Pacific Northwest. As a true native to California and Oregon, this plant has evolved alongside local wildlife and climate conditions for thousands of years. What sets it apart from non-native alternatives is its deep connection to the regional ecosystem – it knows exactly how to thrive in your local conditions without requiring the pampering that many garden plants demand.

This charming plant grows naturally in southwestern Oregon and northwestern California, where it has carved out its niche in the diverse landscape of the region.

Garden Appeal and Landscape Role

Don’t let the humble name fool you – Howell’s biscuitroot offers genuine ornamental value. In spring, it produces delicate clusters of small white to cream-colored flowers arranged in attractive umbels that seem to float above its finely divided, fern-like foliage. The intricate, lacy leaves provide textural interest throughout the growing season.

This plant shines in several garden contexts:

  • Native plant gardens where authenticity matters
  • Rock gardens and well-draining slopes
  • Mediterranean-style landscapes
  • Naturalized areas that mimic wild habitats
  • Water-wise gardens focused on drought tolerance

Supporting Local Wildlife

Here’s where Howell’s biscuitroot really earns its keep in the garden. Those spring flower clusters are pollinator magnets, attracting native bees, beneficial insects, and other small pollinators that have co-evolved with this species. By planting native species like this one, you’re creating habitat and food sources that non-native plants simply can’t provide as effectively.

Growing Conditions and Care

One of the best things about choosing native plants like Howell’s biscuitroot is how well-adapted they are to local conditions. This species thrives in USDA hardiness zones 8-10, making it perfectly suited to much of the Pacific coast.

Ideal growing conditions include:

  • Well-draining soil (this is crucial – soggy conditions are a no-go)
  • Full sun to partial shade
  • Minimal water once established
  • Good air circulation

Like many Mediterranean-climate natives, Howell’s biscuitroot has an interesting growth cycle. It’s most active during the cooler, wetter months and goes dormant during hot, dry summers – dying back to ground level. Don’t panic when this happens! This summer dormancy is completely natural and helps the plant survive drought conditions.

Planting and Establishment Tips

Getting Howell’s biscuitroot established requires a bit of patience, but the payoff is worth it. Fall is typically the best time to plant, as this aligns with the plant’s natural growth cycle. If starting from seed (which is often the most available option), sow in fall and be patient – germination can be slow and irregular.

Once established, this plant is remarkably low-maintenance. The key is providing that well-draining soil and resisting the urge to overwater, especially during summer months. Think benign neglect rather than intensive care.

Is Howell’s Biscuitroot Right for Your Garden?

This native gem is perfect for gardeners who:

  • Want to support local ecosystems and pollinators
  • Appreciate subtle, naturalistic beauty over flashy displays
  • Are creating water-wise or drought-tolerant landscapes
  • Enjoy the satisfaction of growing authentic regional natives
  • Have well-draining soil and can provide the right conditions

However, it might not be the best choice if you’re looking for year-round foliage, need plants for heavy clay or constantly moist soils, or prefer more dramatic flowering displays.

Howell’s biscuitroot represents the kind of thoughtful, regionally-appropriate gardening that creates beautiful spaces while supporting local wildlife. It’s a plant that rewards patience and understanding with years of reliable performance and ecological contribution. For Pacific Northwest gardeners looking to create authentic, sustainable landscapes, this native treasure deserves serious consideration.

Howell’s 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 howellii (S. Watson) Jeps. - Howell's biscuitroot

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