North America Native Plant

Sharpleaf Twinpod

Botanical name: Physaria acutifolia var. acutifolia

USDA symbol: PHACA

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Physaria australis (Payson) Rollins (PHAU5)   

Sharpleaf Twinpod: A Hardy Native Gem for Western Gardens Meet the sharpleaf twinpod (Physaria acutifolia var. acutifolia), a delightful native perennial that’s perfectly suited for gardeners seeking low-maintenance, drought-tolerant plants. This unassuming little forb might not win any height contests, but what it lacks in stature, it more than makes ...

Sharpleaf Twinpod: A Hardy Native Gem for Western Gardens

Meet the sharpleaf twinpod (Physaria acutifolia var. acutifolia), a delightful native perennial that’s perfectly suited for gardeners seeking low-maintenance, drought-tolerant plants. This unassuming little forb might not win any height contests, but what it lacks in stature, it more than makes up for in resilience and charm.

What Makes Sharpleaf Twinpod Special?

Also known by its scientific synonym Physaria australis, this native wildflower is a true western treasure. As a perennial forb, sharpleaf twinpod forms attractive rosettes of silvery-green foliage that stay close to the ground. In spring, it produces clusters of bright yellow, four-petaled flowers that practically glow against the backdrop of its distinctive leaves.

Where Does It Call Home?

Sharpleaf twinpod is native to the intermountain western United States, naturally occurring across seven states: Colorado, Idaho, Montana, Nevada, New Mexico, Utah, and Wyoming. This broad native range speaks to its adaptability and hardiness in challenging western growing conditions.

Why Consider Growing Sharpleaf Twinpod?

Here are some compelling reasons to give this native plant a spot in your garden:

  • Drought tolerance: Once established, it thrives with minimal water
  • Pollinator friendly: Attracts native bees and other beneficial insects
  • Low maintenance: Requires little care once settled in
  • Native credentials: Supports local ecosystems and wildlife
  • Unique appearance: Silvery foliage adds textural interest

Perfect Garden Spots

Sharpleaf twinpod shines in specific garden settings where its natural preferences can be met:

  • Rock gardens and alpine settings
  • Native plant gardens
  • Xerophytic (dry) landscapes
  • Ground cover in challenging spots
  • Natural meadow plantings

Growing Conditions and Care

Success with sharpleaf twinpod comes down to mimicking its natural habitat. This hardy perennial is suitable for USDA hardiness zones 4-8, making it viable across much of the western United States.

Essential growing requirements:

  • Sunlight: Full sun is best
  • Soil: Well-draining soil is absolutely critical
  • Water: Drought tolerant once established; avoid overwatering
  • pH: Adaptable to various soil pH levels

Planting and Care Tips

Getting started with sharpleaf twinpod requires some patience, but the payoff is worth it:

  • Best grown from seed, as it may not transplant well
  • Plant seeds in fall for natural cold stratification
  • Ensure excellent drainage – this cannot be overstated
  • Water sparingly once established
  • Avoid fertilizing, as it prefers lean soils
  • Allow natural self-seeding for best results

The Bottom Line

Sharpleaf twinpod might be small in stature, but it’s big on personality and ecological value. If you’re gardening in the western United States and looking for a truly native, low-maintenance plant that supports pollinators while adding unique texture to your landscape, this little gem deserves serious consideration. Just remember: good drainage is your key to success, and a little patience goes a long way with this charming native.

Sharpleaf Twinpod

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

Physaria (Nutt. ex Torr. & A. Gray) A. Gray - twinpod

Species

Physaria acutifolia Rydb. - sharpleaf twinpod

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