North America Native Plant

Leach’s Triteleia

Botanical name: Triteleia hendersonii var. leachiae

USDA symbol: TRHEL

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Brodiaea leachiae M. Peck (BRLE3)   

Leach’s Triteleia: A Hidden Gem for Pacific Northwest Gardens If you’re looking for a charming native bulb that won’t demand much attention but delivers delightful spring blooms, let me introduce you to Leach’s triteleia (Triteleia hendersonii var. leachiae). This little-known Oregon native might just be the perfect addition to your ...

Rare plant alert!

Region: Conservation status by state

Status: S4T3: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals. ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Leach’s Triteleia: A Hidden Gem for Pacific Northwest Gardens

If you’re looking for a charming native bulb that won’t demand much attention but delivers delightful spring blooms, let me introduce you to Leach’s triteleia (Triteleia hendersonii var. leachiae). This little-known Oregon native might just be the perfect addition to your low-maintenance garden palette.

What Makes Leach’s Triteleia Special?

Leach’s triteleia is a perennial forb that emerges from small bulbs each spring, producing clusters of delicate white to pale blue funnel-shaped flowers atop slender stems. The blooms appear in late spring to early summer, creating an ethereal display that seems to float above the foliage. As a member of the lily family, it shares that classic elegant flower form we all love, but in a more understated package.

This plant is also known by its synonym Brodiaea leachiae, though you’re more likely to find it listed under its current botanical name in native plant catalogs.

Where Does It Come From?

Leach’s triteleia is endemic to Oregon, making it a true regional treasure for Pacific Northwest gardeners. This native status means it’s perfectly adapted to local growing conditions and supports regional ecosystems. However, it’s worth noting that this variety has a conservation status that suggests it’s not extremely common in the wild.

Why Grow Leach’s Triteleia?

Here are several compelling reasons to consider this native bulb for your garden:

  • It’s perfectly adapted to Pacific Northwest growing conditions
  • Requires minimal care once established
  • Provides nectar for native bees and other small pollinators
  • Goes dormant in summer, making it ideal for dry gardens
  • Adds delicate spring color without being overwhelming
  • Supports local biodiversity as a true Oregon native

Garden Design Ideas

Leach’s triteleia shines in naturalistic settings where its subtle beauty can be appreciated up close. Consider incorporating it into:

  • Rock gardens where its delicate flowers create soft contrast
  • Native plant gardens alongside other Oregon wildflowers
  • Xerophytic landscapes that celebrate drought-tolerant plants
  • Woodland edges where it can naturalize gradually

The plant’s relatively small stature makes it perfect for front-of-border plantings or anywhere you want a gentle splash of spring color without overwhelming larger companions.

Growing Conditions and Care

One of the best things about Leach’s triteleia is how easy it is to grow once you understand its natural rhythm. This bulb is adapted to Oregon’s Mediterranean-style climate with wet winters and dry summers.

Ideal growing conditions include:

  • Well-drained soil (crucial for bulb health)
  • Full sun to partial shade
  • USDA hardiness zones 7-9
  • Dry summer conditions during dormancy
  • Winter moisture for spring growth

Planting and Care Tips

Plant bulbs in fall, about 3-4 inches deep and 3-6 inches apart. Choose a location with excellent drainage – soggy soil is the enemy of most bulbs, and Leach’s triteleia is no exception.

During the growing season (late winter through early summer), provide moderate water. Once the foliage begins to yellow and die back, reduce watering significantly or stop altogether. This summer dormancy period is natural and essential for the plant’s health.

The beauty of this native is that it requires virtually no fertilization or special care beyond respecting its natural dormancy cycle.

Important Conservation Note

Because Leach’s triteleia has a conservation status indicating it’s not extremely common, it’s important to source bulbs responsibly. Always purchase from reputable native plant nurseries that propagate their own stock rather than wild-collecting. This helps protect wild populations while still allowing gardeners to enjoy this beautiful native species.

Pollinator and Wildlife Benefits

While small in stature, Leach’s triteleia punches above its weight when it comes to supporting local ecosystems. Its spring flowers provide nectar for native bees and other small pollinators at a crucial time when many plants are just beginning to emerge. By choosing native species like this over non-native bulbs, you’re creating habitat that local wildlife recognizes and can use effectively.

The Bottom Line

Leach’s triteleia might not be the showiest plant in your garden, but it offers something increasingly valuable: authentic connection to place. This Oregon native brings subtle spring beauty while supporting local ecosystems and requiring minimal care once established. For gardeners interested in creating sustainable, regionally appropriate landscapes, it’s definitely worth seeking out – just make sure you source it responsibly to help protect this special native plant for future generations.

Leach’s Triteleia

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

Triteleia Douglas ex Lindl. - triteleia

Species

Triteleia hendersonii Greene - Henderson's triteleia

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