North America Native Plant

Meadow Evening Primrose

Botanical name: Oenothera pilosella pilosella

USDA symbol: OEPIP

Life cycle: perennial

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

Synonyms: Kneiffia pratensis Small (KNPR)  âš˜  Kneiffia sumstinei Jennings (KNSU2)   

Meadow Evening Primrose: A Native Wildflower That Shines After Dark If you’ve ever wondered what those cheerful yellow flowers are that seem to glow in the twilight, you might be looking at meadow evening primrose (Oenothera pilosella pilosella). This charming native wildflower has a secret superpower – it puts on ...

Meadow Evening Primrose: A Native Wildflower That Shines After Dark

If you’ve ever wondered what those cheerful yellow flowers are that seem to glow in the twilight, you might be looking at meadow evening primrose (Oenothera pilosella pilosella). This charming native wildflower has a secret superpower – it puts on its best show when most other flowers are calling it a day.

What Makes Meadow Evening Primrose Special

Meadow evening primrose is a true North American native, naturally occurring across a impressive range from Canada down through much of the eastern and central United States. You’ll find this perennial forb thriving in states from Maine to Alabama, and from the Atlantic coast all the way to Wisconsin and Louisiana. That’s quite the home territory!

This delightful wildflower belongs to the evening primrose family, and like many of its relatives, it has developed the fascinating habit of opening its blooms in the evening hours. The four-petaled yellow flowers create a lovely display that continues through the night, making your garden a beacon for nocturnal pollinators.

Why Your Garden Needs This Native Beauty

There are several compelling reasons to consider adding meadow evening primrose to your landscape:

  • It’s a true native plant that supports local ecosystems
  • The evening blooming habit adds interest to your garden during twilight hours
  • It attracts important nighttime pollinators like moths
  • As a perennial, it returns year after year with minimal fuss
  • It’s well-adapted to local climate conditions

Perfect Spots for Planting

Meadow evening primrose shines brightest in naturalized settings and wildflower gardens. It’s particularly well-suited for:

  • Prairie-style gardens and meadow plantings
  • Wildflower borders and natural areas
  • Evening gardens designed for nighttime enjoyment
  • Low-maintenance landscape areas

This isn’t typically a plant for formal flower beds, but rather one that prefers a more relaxed, natural setting where it can spread and naturalize.

Growing Meadow Evening Primrose Successfully

One of the best things about native plants is that they’re naturally adapted to thrive in local conditions, and meadow evening primrose is no exception. Here’s what you need to know:

Light Requirements: This adaptable native does best in full sun but can tolerate partial shade, making it quite versatile for different garden spots.

Soil Preferences: Well-draining soil is key, but this tough native isn’t particularly fussy about soil type. It can handle average garden soil and even somewhat poor conditions.

Hardiness: Meadow evening primrose is hardy in USDA zones 3-8, covering most of temperate North America.

Water Needs: Once established, this drought-tolerant native requires minimal watering, making it an excellent choice for low-maintenance gardens.

Planting and Care Tips

Getting meadow evening primrose established in your garden is straightforward:

  • Plant in spring or fall when temperatures are moderate
  • Space plants appropriately as they may spread naturally over time
  • Water regularly during the first growing season to help establish roots
  • Once established, minimal care is needed – this native is quite self-sufficient
  • Allow some flowers to go to seed if you want the plant to naturalize

Supporting Pollinators and Wildlife

By choosing meadow evening primrose, you’re creating habitat for important nighttime pollinators. Moths and other evening-active insects rely on flowers like these for nectar, and in turn, these pollinators support the broader ecosystem. It’s a beautiful example of how native plants create interconnected webs of life in our gardens.

Is Meadow Evening Primrose Right for Your Garden?

This native wildflower is an excellent choice if you’re looking to support local wildlife, enjoy evening garden walks, or simply want a low-maintenance perennial that celebrates the natural heritage of North America. While it may not provide the formal structure of traditional garden plants, its gentle beauty and ecological value make it a wonderful addition to naturalized spaces and wildflower gardens.

Consider meadow evening primrose if you want to create a garden that comes alive in the evening hours – there’s something magical about flowers that save their best performance for twilight!

Meadow Evening Primrose

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 pilosella Raf. - meadow evening primrose

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