North America Native Plant

Roundtooth Snakelily

Botanical name: Dichelostemma multiflorum

USDA symbol: DIMU5

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Brodiaea multiflora Benth. (BRMU3)   

Roundtooth Snakelily: A Hidden Gem for Western Native Gardens If you’re looking to add some authentic Western charm to your garden, meet the roundtooth snakelily (Dichelostemma multiflorum)—a delightful native bulb that’s been quietly beautifying California and Oregon landscapes for centuries. This underappreciated perennial deserves a spot in more native plant ...

Roundtooth Snakelily: A Hidden Gem for Western Native Gardens

If you’re looking to add some authentic Western charm to your garden, meet the roundtooth snakelily (Dichelostemma multiflorum)—a delightful native bulb that’s been quietly beautifying California and Oregon landscapes for centuries. This underappreciated perennial deserves a spot in more native plant gardens, and here’s why it might be perfect for yours.

What Makes Roundtooth Snakelily Special?

The roundtooth snakelily is a true West Coast native, naturally occurring throughout California and extending into southern Oregon. As a member of the native plant community, it has co-evolved with local wildlife and growing conditions, making it an excellent choice for gardeners who want to support their regional ecosystem.

This charming perennial grows as what botanists call a forb—essentially a non-woody flowering plant that dies back to ground level each year. Don’t let the technical term fool you; it’s simply a beautiful wildflower that knows how to survive and thrive in Mediterranean climates.

Garden Appeal and Design Uses

Roundtooth snakelily brings a distinctive wildflower aesthetic to any landscape. In late spring and early summer, it sends up slender stems topped with clusters of tubular, purple-blue flowers that create an elegant, naturalized look. The blooms have a delicate charm that works wonderfully in:

  • Native plant gardens and wildflower meadows
  • Drought-tolerant landscapes
  • Mediterranean-style gardens
  • Naturalized areas where you want authentic regional character

Pollinator and Wildlife Benefits

One of the best reasons to grow roundtooth snakelily is its value to local pollinators. The tubular flowers are perfectly designed to attract native bees, butterflies, and other beneficial insects that have evolved alongside this plant. By including it in your garden, you’re providing crucial nectar sources that support the broader ecosystem.

Growing Conditions and Care

Here’s where roundtooth snakelily really shines—it’s remarkably low-maintenance once you understand its needs. This plant is adapted to the dry summers and mild, wet winters typical of its native range.

Ideal Growing Conditions

  • Climate: USDA hardiness zones 8-10
  • Light: Full sun to partial shade
  • Soil: Well-draining soils are essential; it won’t tolerate soggy conditions
  • Water: Drought-tolerant once established; minimal summer watering needed

Planting and Care Tips

Growing roundtooth snakelily successfully is all about mimicking its natural habitat:

  • Planting time: Plant bulbs in fall before the rainy season begins
  • Spacing: Allow adequate space for the plant to naturalize
  • Watering: Water during the growing season (fall through spring), then reduce or eliminate watering in summer
  • Maintenance: Allow foliage to die back naturally—this feeds the bulb for next year’s growth
  • Soil prep: Ensure excellent drainage; amend heavy soils with sand or gravel if needed

Is Roundtooth Snakelily Right for Your Garden?

This native beauty is an excellent choice if you’re gardening in California or Oregon and want to create a landscape that reflects your region’s natural heritage. It’s particularly well-suited for gardeners who:

  • Want to support local wildlife and pollinators
  • Prefer low-maintenance, drought-tolerant plants
  • Appreciate the subtle beauty of native wildflowers
  • Are creating Mediterranean or naturalized garden styles

Keep in mind that roundtooth snakelily is best suited to its native range. If you’re gardening outside of California or Oregon, you might want to look for similar native bulbs that are adapted to your local conditions.

A Note on Sourcing

When purchasing roundtooth snakelily, make sure to source your bulbs from reputable native plant nurseries that grow their stock rather than wild-collect it. This ensures you’re getting healthy, garden-ready plants while protecting wild populations.

The roundtooth snakelily may not be the showiest plant in the garden center, but for West Coast gardeners who appreciate authentic regional beauty and want to support local ecosystems, it’s a wonderful addition that will reward you with years of low-maintenance charm.

Roundtooth Snakelily

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Liliidae

Order

Liliales

Family

Liliaceae Juss. - Lily family

Genus

Dichelostemma Kunth - snakelily

Species

Dichelostemma multiflorum (Benth.) A. Heller - roundtooth snakelily

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