North America Native Plant

Prairie Beeblossom

Botanical name: Oenothera triangulata

USDA symbol: OETR

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Gaura hexandra Ortega var. triangulata (Buckley) Munz (GAHET)  âš˜  Gaura triangulata Buckley (GATR5)  âš˜  Gaura tripetala Cav. var. triangulata (Buckley) Munz (GATRT4)   

Prairie Beeblossom: A Charming Native Wildflower for Your Garden If you’re looking to add a touch of native charm to your garden while supporting local ecosystems, prairie beeblossom (Oenothera triangulata) might just be the perfect addition. This delightful annual wildflower brings a subtle elegance to naturalized landscapes and is a ...

Rare plant alert!

Region: Conservation status by state

Status: S3S4: 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 ⚘ 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 ⚘

Prairie Beeblossom: A Charming Native Wildflower for Your Garden

If you’re looking to add a touch of native charm to your garden while supporting local ecosystems, prairie beeblossom (Oenothera triangulata) might just be the perfect addition. This delightful annual wildflower brings a subtle elegance to naturalized landscapes and is a wonderful choice for gardeners who appreciate the beauty of native plants.

What is Prairie Beeblossom?

Prairie beeblossom is a native annual forb that belongs to the evening primrose family. As a forb, it’s an herbaceous plant without woody stems, growing fresh each year from seed. This charming wildflower has quite a few aliases in the botanical world, having been known by several scientific names including Gaura triangulata and Gaura hexandra var. triangulata throughout its taxonomic history.

Where Does Prairie Beeblossom Grow Naturally?

This native beauty calls the south-central United States home, specifically thriving in Oklahoma and Texas. It’s perfectly adapted to the climate and growing conditions of this region, making it an excellent choice for gardeners in these areas who want to work with nature rather than against it.

Why Consider Prairie Beeblossom for Your Garden?

There are several compelling reasons to welcome prairie beeblossom into your landscape:

  • Native heritage: As a true native of the lower 48 states, it supports local ecosystems and wildlife
  • Low maintenance: Being an annual adapted to local conditions, it typically requires minimal care once established
  • Pollinator friendly: Like other members of the evening primrose family, it likely attracts beneficial pollinators, particularly nocturnal visitors
  • Natural beauty: Provides authentic prairie charm with delicate flowers that complement other native wildflowers

Important Conservation Note

Before you rush to plant prairie beeblossom, there’s something important to know. This species has a conservation status of S3S4, which indicates it may be of conservation concern in its native range. This means if you decide to grow it, please ensure you source seeds or plants from reputable native plant suppliers who practice responsible collection methods. Never collect seeds from wild populations, as this could harm already vulnerable native stands.

Best Garden Settings for Prairie Beeblossom

Prairie beeblossom shines brightest in:

  • Prairie restoration projects
  • Wildflower meadows
  • Naturalized garden areas
  • Native plant gardens
  • Low-maintenance landscape borders

This isn’t the plant for formal flower beds or heavily managed gardens. Instead, it thrives in more relaxed, naturalistic settings where it can self-seed and create the kind of informal beauty that prairie plants are known for.

Growing Conditions and Care

While specific growing requirements for prairie beeblossom aren’t extensively documented, we can make educated assumptions based on its native habitat and family characteristics:

  • Sunlight: Likely prefers full sun, typical of prairie plants
  • Soil: Probably thrives in well-draining soils and tolerates poor to average fertility
  • Water: Once established, likely drought tolerant as befits a prairie native
  • Climate zones: Best suited for USDA zones 6-9, matching its native Texas and Oklahoma range

Planting and Maintenance Tips

Since prairie beeblossom is an annual, you’ll be starting fresh each year, but that’s part of its charm:

  • Sow seeds in spring after the last frost date
  • Scatter seeds in prepared soil and lightly rake in
  • Keep soil moderately moist until germination
  • Once established, reduce watering and let natural rainfall take over
  • Allow some plants to go to seed for natural reseeding
  • Minimal fertilization needed – prairie plants often prefer lean soils

The Bottom Line

Prairie beeblossom is a wonderful choice for gardeners in Oklahoma and Texas who want to celebrate their region’s native flora. Its delicate beauty, low maintenance requirements, and ecological benefits make it an excellent addition to naturalized gardens and prairie landscapes. Just remember to source it responsibly given its conservation status, and you’ll be rewarded with a charming native annual that connects your garden to the natural heritage of the American prairie.

Whether you’re creating a dedicated native plant garden or simply want to add some authentic regional character to your landscape, prairie beeblossom offers a perfect blend of beauty, ecological value, and easy care that makes native gardening such a rewarding pursuit.

Prairie 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 triangulata (Buckley) W.L. Wagner & Hoch - prairie beeblossom

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