North America Native Plant

Green Princesplume

Botanical name: Stanleya viridiflora

USDA symbol: STVI

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Green Princesplume: A Towering Native Beauty for Western Gardens If you’re looking for a native plant that makes a bold statement while requiring minimal fuss, green princesplume might just be your new garden hero. This distinctive perennial brings architectural drama to landscapes across the American West, standing tall like a ...

Green Princesplume: A Towering Native Beauty for Western Gardens

If you’re looking for a native plant that makes a bold statement while requiring minimal fuss, green princesplume might just be your new garden hero. This distinctive perennial brings architectural drama to landscapes across the American West, standing tall like a natural exclamation point in the garden.

What is Green Princesplume?

Green princesplume (Stanleya viridiflora) is a native perennial forb that belongs to the mustard family. Don’t let the term forb intimidate you – it simply means it’s a non-woody flowering plant that comes back year after year. This impressive native can reach heights of 3 to 6 feet tall and spreads 2 to 3 feet wide, creating a striking vertical presence in any planting.

Where Does It Call Home?

This resilient beauty is native to nine western states: California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, and Wyoming. You’ll find it naturally growing in arid and semi-arid regions, where it has adapted perfectly to challenging conditions that would leave many garden plants struggling.

Garden Appeal and Design Role

What makes green princesplume truly special is its unique architectural form. The plant produces tall, slender spikes adorned with small greenish-yellow flowers that create an almost sculptural effect in the landscape. It’s perfect for:

  • Adding height and structure to native plant gardens
  • Creating dramatic background plantings
  • Serving as a focal point in xeriscapes
  • Naturalizing large areas with minimal maintenance

Perfect for Water-Wise Gardens

Green princesplume shines in low-water landscapes and xeriscaping projects. Once established, this drought-tolerant champion thrives on neglect, making it ideal for gardeners who want maximum impact with minimal input. It’s particularly well-suited for:

  • Native plant gardens
  • Drought-tolerant landscapes
  • Natural or prairie-style plantings
  • Areas with poor or rocky soil

Wildlife and Pollinator Benefits

Beyond its striking appearance, green princesplume serves as valuable habitat for local wildlife. The flowers attract bees and other pollinators, supporting the ecosystem while adding life and movement to your garden. By choosing this native plant, you’re helping to support local biodiversity.

Growing Conditions and Hardiness

Green princesplume is surprisingly adaptable and hardy, thriving in USDA zones 4 through 8. Here’s what this resilient native prefers:

  • Sunlight: Full sun for best performance
  • Soil: Well-draining soil is essential – it tolerates poor, rocky, or sandy conditions
  • Water: Drought tolerant once established; avoid overwatering
  • Climate: Adapted to arid and semi-arid conditions

Planting and Care Tips

Growing green princesplume successfully is refreshingly straightforward:

  • When to plant: Spring is ideal for establishment
  • Spacing: Allow 2-3 feet between plants for proper air circulation
  • Watering: Provide regular water the first season, then reduce significantly
  • Maintenance: Minimal care needed once established
  • Propagation: May self-seed in favorable conditions

Is Green Princesplume Right for Your Garden?

Consider adding green princesplume to your landscape if you:

  • Live in the western United States within its native range
  • Want a low-maintenance, drought-tolerant plant
  • Appreciate unique architectural forms in the garden
  • Are creating a native plant or xeriscape garden
  • Want to support local pollinators and wildlife

However, this plant might not be the best choice if you prefer lush, tropical-looking gardens or live in areas with high humidity and frequent rainfall.

The Bottom Line

Green princesplume offers western gardeners a chance to embrace their region’s natural beauty while creating stunning, low-maintenance landscapes. Its towering presence, drought tolerance, and native status make it an excellent choice for sustainable gardening practices. Plus, there’s something deeply satisfying about growing a plant that truly belongs in your local ecosystem – it’s like giving your garden a sense of place and authenticity that’s hard to achieve with non-native alternatives.

Green Princesplume

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Capparales

Family

Brassicaceae Burnett - Mustard family

Genus

Stanleya Nutt. - princesplume

Species

Stanleya viridiflora Nutt. - green princesplume

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