North America Native Plant

Winecup Clarkia

Botanical name: Clarkia purpurea purpurea

USDA symbol: CLPUP

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Godetia purpurea (W. Curtis) G. Don (GOPU3)   

Winecup Clarkia: A Charming Native Annual for Western Gardens If you’re looking to add a splash of vibrant color to your garden while supporting local ecosystems, meet the delightful winecup clarkia (Clarkia purpurea purpurea). This charming native annual brings cup-shaped blooms in gorgeous shades of purple and pink that’ll have ...

Rare plant alert!

Region: Conservation status by state

Status: S5T2?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Subspecies or variety is imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Winecup Clarkia: A Charming Native Annual for Western Gardens

If you’re looking to add a splash of vibrant color to your garden while supporting local ecosystems, meet the delightful winecup clarkia (Clarkia purpurea purpurea). This charming native annual brings cup-shaped blooms in gorgeous shades of purple and pink that’ll have you wondering why more gardeners aren’t growing this Pacific Coast beauty.

What is Winecup Clarkia?

Winecup clarkia is a native annual forb—basically a soft-stemmed flowering plant that completes its entire life cycle in one growing season. You might also see it listed under its old botanical name, Godetia purpurea, in some gardening references. This herbaceous plant lacks woody stems but more than makes up for it with its showy blooms and easy-going nature.

Where Does It Call Home?

This lovely native is naturally found throughout California and Oregon, where it has adapted to the Mediterranean climate patterns of the western United States. As a true native of the lower 48 states, it’s perfectly suited to the growing conditions found in its home range.

Why You’ll Fall in Love with Winecup Clarkia

There’s something utterly enchanting about winecup clarkia’s cup-shaped flowers that seem to glow in the garden. The blooms typically showcase beautiful purples and pinks, creating a cottage garden feel that’s both wildly natural and surprisingly sophisticated. Since it’s an annual, you get that wonderful anticipation each spring of watching your garden come alive with fresh blooms.

But the real magic happens when pollinators discover your winecup clarkia. Bees and butterflies are absolutely smitten with these flowers, making your garden a bustling hub of beneficial activity. It’s like hosting the most popular café in the neighborhood—for insects!

Perfect Garden Companions

Winecup clarkia shines in several garden settings:

  • Wildflower meadows and naturalized areas
  • Cottage-style gardens with a relaxed, informal feel
  • Drought-tolerant landscapes and xeriscapes
  • Pollinator gardens designed to support beneficial insects
  • Mixed borders where you want seasonal color

Growing Conditions That Make It Happy

One of winecup clarkia’s most endearing qualities is how undemanding it can be—once you understand what it wants. This plant thrives in full sun locations and absolutely insists on well-draining soil. Think of it as preferring the Mediterranean lifestyle—plenty of sunshine and not too much fuss with watering once it’s settled in.

In USDA hardiness zones 8-10, this annual can handle the temperature fluctuations typical of its native range. Since it’s an annual, cold tolerance is less about surviving winter and more about timing your plantings right.

Planting and Care Tips

Here’s where winecup clarkia really wins points for being low-maintenance:

  • Sowing seeds: Direct sow seeds in fall or early spring when soil temperatures are cool
  • Watering: Water gently until germination occurs, then reduce watering as plants establish
  • Soil prep: Ensure good drainage—soggy soil is this plant’s nemesis
  • Spacing: Allow room for air circulation to prevent any fungal issues
  • Maintenance: Once established, this drought-tolerant beauty needs minimal intervention

A Word About Conservation

Winecup clarkia has a somewhat uncertain conservation status, so if you’re planning to add this beauty to your garden, please source your seeds responsibly. Look for reputable native plant societies, botanical gardens, or specialized native seed companies rather than collecting from wild populations. This way, you can enjoy this lovely plant while helping ensure it remains available for future generations of both gardeners and wildlife.

The Bottom Line

If you garden in California or Oregon and want to add a splash of native color that pollinators adore, winecup clarkia deserves serious consideration. It’s relatively easy to grow, supports local ecosystems, and provides that wonderful anticipation that comes with annual flowers. Just remember to source your seeds responsibly, give it the sunny, well-drained conditions it craves, and prepare to be charmed by those distinctive cup-shaped blooms that give this plant its perfect common name.

Winecup Clarkia

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

Clarkia Pursh - clarkia

Species

Clarkia purpurea (W. Curtis) A. Nelson & J.F. Macbr. - winecup clarkia

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