North America Native Plant

Colorado Beeblossom

Botanical name: Oenothera coloradensis

USDA symbol: OECO

Life cycle: biennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Gaura neomexicana Wooton (GANE2)   

Colorado Beeblossom: A Delicate Prairie Beauty Worth Protecting If you’re looking to add a touch of prairie elegance to your garden while supporting native plant conservation, Colorado beeblossom (Oenothera coloradensis) might just be your perfect match. This charming native wildflower brings delicate beauty to naturalistic landscapes while playing an important ...

Rare plant alert!

Region: Conservation status by state

Status: S3: Status is uncertain but is somewhere between the following rankings: 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 ⚘

Colorado Beeblossom: A Delicate Prairie Beauty Worth Protecting

If you’re looking to add a touch of prairie elegance to your garden while supporting native plant conservation, Colorado beeblossom (Oenothera coloradensis) might just be your perfect match. This charming native wildflower brings delicate beauty to naturalistic landscapes while playing an important role in supporting local ecosystems.

What is Colorado Beeblossom?

Colorado beeblossom is a biennial forb native to the western United States. As a member of the evening primrose family, this plant lacks woody stems and produces its perennating buds at or below ground level. Don’t let the beeblossom name fool you – this species was formerly classified as Gaura neomexicana, which explains the common name that stuck around.

Where Does It Grow Naturally?

This prairie native calls the western states home, naturally occurring in Colorado, Nebraska, New Mexico, and Wyoming. You’ll find it thriving in the diverse landscapes of the Great Plains, Arid West, and Western Mountains regions.

Important Conservation Note

Before you fall head-over-heels for this beauty, there’s something crucial you need to know: Colorado beeblossom has a Global Conservation Status of S3, meaning it’s considered vulnerable. With only 21 to 100 occurrences and between 3,000 to 10,000 individuals remaining, this species faces potential extirpation. If you choose to grow it, please source your plants or seeds only from reputable native plant nurseries that practice ethical collection methods.

Garden Appeal and Design Role

Colorado beeblossom brings an airy, naturalistic charm to gardens with its delicate four-petaled flowers that range from white to soft pink. Blooming from late spring through summer, these small but numerous flowers create a cloud-like effect that works beautifully in:

  • Prairie and wildflower gardens
  • Naturalistic landscape designs
  • Xerophytic (drought-tolerant) gardens
  • Native plant restoration projects

Growing Conditions and Care

One of the best things about Colorado beeblossom is its adaptability and low-maintenance nature. This hardy plant thrives in USDA zones 4-8 and prefers:

  • Full sun exposure
  • Well-draining soils of various types
  • Minimal water once established (drought tolerant)
  • Natural rainfall patterns

Its wetland status varies by region – it’s classified as Facultative Wetland in the Arid West and Western Mountains (usually in wetlands but can occur elsewhere), and simply Facultative in the Great Plains (equally at home in wet or dry conditions).

Planting and Propagation Tips

Growing Colorado beeblossom from seed is your best bet. Direct seed in fall or early spring when natural temperature fluctuations can help break seed dormancy. As a biennial, expect to see vegetative growth the first year, followed by flowering and seed production in the second year. The good news? It often self-seeds readily, creating naturalized colonies over time.

Benefits for Pollinators and Wildlife

Like many evening primrose family members, Colorado beeblossom is a pollinator magnet. Its flowers attract bees, butterflies, and other day-flying insects, while its evening-blooming nature also makes it valuable for night-flying moths. This extended pollinator support makes it an excellent choice for wildlife-friendly gardens.

Should You Plant Colorado Beeblossom?

If you garden within or near its native range and want to support native plant conservation, Colorado beeblossom can be a wonderful addition to naturalistic landscapes. However, given its vulnerable status, approach cultivation responsibly:

  • Only purchase from reputable native plant sources
  • Never collect from wild populations
  • Consider it for prairie restoration or conservation-focused gardens
  • Allow it to self-seed to support local populations

While it may not be the showiest plant in your garden, Colorado beeblossom offers the satisfaction of growing something truly special – a vulnerable native that supports pollinators while adding authentic prairie character to your landscape. Just remember: with great beauty comes great responsibility when it comes to rare native plants.

Colorado Beeblossom

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

Myrtales

Family

Onagraceae Juss. - Evening Primrose family

Genus

Oenothera L. - evening primrose

Species

Oenothera coloradensis (Rydb.) W.L. Wagner & Hoch - Colorado beeblossom

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