North America Native Plant

Day Valley Desertparsley

Botanical name: Lomatium minus

USDA symbol: LOMI3

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Day Valley Desertparsley: A Rare Oregon Native Worth Protecting If you’re passionate about growing truly unique native plants, Day Valley desertparsley (Lomatium minus) might catch your attention. But before you start planning where to plant it, there’s something important you need to know about this special little wildflower. What Makes ...

Day Valley Desertparsley: A Rare Oregon Native Worth Protecting

If you’re passionate about growing truly unique native plants, Day Valley desertparsley (Lomatium minus) might catch your attention. But before you start planning where to plant it, there’s something important you need to know about this special little wildflower.

What Makes Day Valley Desertparsley Special

Day Valley desertparsley is a perennial forb—essentially a non-woody herbaceous plant that comes back year after year. Like other members of the carrot family, it produces delicate clusters of small white to cream-colored flowers arranged in umbrella-like formations called umbels. The finely divided, fernlike foliage adds textural interest even when the plant isn’t blooming.

What truly sets this plant apart, however, is its incredibly limited range. This Oregon native is found naturally in just one location: Day Valley in Oregon. This makes it one of those botanical treasures that exists nowhere else on Earth.

A Rare Beauty That Requires Responsible Gardening

Here’s where we need to have an important conversation about rare plants. Because Day Valley desertparsley has such a restricted natural habitat, it should be considered a rare species that requires special care and consideration from gardeners.

Important: If you’re interested in growing this plant, please only obtain it from reputable native plant nurseries that use responsibly sourced material—meaning plants that have been ethically propagated from existing cultivated stock, not collected from wild populations.

Growing Conditions and Care

If you can source Day Valley desertparsley responsibly, it can be a fascinating addition to specialized native plant gardens. Here’s what this Oregon native needs to thrive:

  • Sunlight: Full sun exposure
  • Soil: Excellent drainage is absolutely critical—this plant won’t tolerate soggy conditions
  • Water: Drought tolerant once established, requiring minimal supplemental watering
  • Climate: Best suited for USDA hardiness zones 7-9, matching Oregon’s climate conditions

Garden Design and Landscape Role

Day Valley desertparsley works beautifully in:

  • Native plant gardens focused on Oregon flora
  • Rock gardens where drainage is excellent
  • Xeriscaping projects
  • Naturalistic landscapes that celebrate regional biodiversity

The plant’s delicate texture and small stature make it ideal for intimate garden spaces where its unique story can be appreciated up close.

Benefits to Wildlife

Like many native plants in the carrot family, Day Valley desertparsley provides nectar for small native bees and other beneficial insects during its spring blooming period. These pollinators are often specialists that have co-evolved with native plants and depend on them for survival.

The Bottom Line

Day Valley desertparsley represents both an opportunity and a responsibility for native plant enthusiasts. While it can be a rewarding addition to appropriate gardens, growing it comes with the obligation to source it ethically and help preserve this rare piece of Oregon’s natural heritage.

If you’re drawn to the idea of growing rare native plants, consider this species as part of a broader commitment to conservation gardening. And remember—sometimes the most meaningful way to appreciate a rare plant is to support its conservation in the wild while growing other, more common Oregon natives in our gardens.

Day Valley Desertparsley

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 minus (Rose ex Howell) Mathias & Constance - Day Valley desertparsley

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