Paeonia warneri
perennial

Brown's Peony

Paeonia warneri

The Story

Plant Bio

Paeonia brownii is a low-growing, herbaceous perennial native to western North America, featuring dissected, blue-green foliage and unique, nodding, maroon-colored flowers in late spring.

This species is notable as one of only two peony species native to North America. It is adapted to a climate with dry summers, becoming dormant after flowering, making it a challenge for cultivation outside its native range.

Uses & Benefits:

Ornamental UsesPaeonia warneri offers stunning, fragrant flowers that enhance garden aesthetics and attract pollinators.
Practical UsesIts robust foliage provides ground cover and erosion control.
Ecological BenefitsSupports bees and butterflies, contributing to local biodiversity.

Essentials

At a Glance

Plant Type

Perennial

Height

12 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Moderate

Lifespan

Decades with proper care

Native To

Western North America

Toxicity

Mildly toxic if ingested

Bloom period

Late spring โ€“ Early summer

J
F
M
A
M
J
J
A
S
O
N
D

In flower about 2 months of the year

Planting

How to Grow

  1. Tuck seeds into well-draining soil in early fall for natural stratification.
  2. Water regularly to keep soil moist but not waterlogged during growth.
  3. Fertilize with a balanced, slow-release fertilizer in early spring.
  4. Prune dead or damaged stems in late winter to promote healthy growth.
  5. Mulch around plants to retain moisture and suppress weeds.
  6. Transplant in early spring or fall when the plant is dormant.

Pro Tip

Ensure good air circulation to prevent fungal diseases and promote healthy blooms.

Keep It Thriving

Care Guide

Do

  • Water deeply during dry spells ๐ŸŒฑ
  • Apply mulch to conserve moisture and regulate soil temperature
  • Prune to shape and remove dead stems โŒ
  • Monitor for pests regularly
  • Feed with organic compost in early spring

Don't

  • Overwater, which can cause root rot โŒ
  • Allow soil to dry out completely between watering
  • Skip pruning, which can lead to overcrowding and disease โŒ
  • Use chemical fertilizers excessively

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Fertilize
Mulch
Plant

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Elegant perennial borderWoodland garden accentFragrant floral hedge

Companion Plants

Hostas Ferns Bleeding Heart AstilbeCoral Bells

Multiply

Propagation Methods

Good to Know

Common Questions

Brown's Peony questions

What zones can Brown's Peony grow in?

Brown's Peony is hardy in USDA Zones 4โ€“8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Brown's Peony deer resistant?

Yes โ€” Brown's Peony is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Brown's Peony bloom?

Brown's Peony typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone โ€” Sow's bloom calendar maps it to your garden.

Does Brown's Peony need full sun?

Brown's Peony does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Brown's Peony drought tolerant?

Yes โ€” once established (usually after the first full season), Brown's Peony handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.

Keep exploring

Grow Brown's Peony with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.