Species

Paeonia lactifloraChinese Peony, Common Garden Peony

52 other cultivars

perennial

Garden Treasure Itoh Peony

Paeonia lactiflora 'Garden Treasure'

Same species

Species

Paeonia lactifloraChinese Peony, Common Garden Peony

52 other cultivars

Essentials

At a Glance

Plant Type

Perennial

Height

30 inches

Width

48 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Moderate

Lifespan

Decades

Native To

Asia and Europe

Toxicity

Toxic to dogs, cats, and horses

The Story

Plant Bio

Paeonia 'Garden Treasure' is a popular Itoh (intersectional) peony known for its large, fragrant, semi-double yellow flowers and sturdy stems that don't require staking. This award-winning cultivar features large, lemon-yellow, semi-double blooms with a spicy fragrance and lush, dark green foliage that remains attractive all season. It is a vigorous grower with a long bloom period.

Bloom Period:

EarlyLate

Uses & Benefits:

Paeonia lactiflora Garden Treasure offers stunning, fragrant blooms that enhance garden aesthetics and provide sensory delight.

Its robust foliage acts as a natural ground cover, reducing weeds and soil erosion.

Provides nectar for pollinators like bees and butterflies, supporting local biodiversity.

Planting

How to Grow

Tuck seeds or divisions into well-drained soil in early spring or fall.
Water thoroughly after planting to settle roots and promote growth.
Mist cuttings regularly to maintain humidity and encourage rooting.
Apply a layer of mulch around the base to retain moisture and suppress weeds.
Stake tall varieties to prevent wind damage, especially during spring growth.
Fertilize with a balanced, slow-release fertilizer in early spring and mid-summer.

Pro Tip

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

Keep It Thriving

Care Guide

Do

Water regularly, keeping soil moist but not waterlogged 🌱
Apply mulch to conserve moisture and regulate soil temperature
Prune after flowering to encourage bushier growth
Use a balanced fertilizer in early spring

Don't

Avoid overwatering, which can lead to root rot ❌
Don’t prune in late fall or winter
Never allow soil to become waterlogged
Avoid high-nitrogen fertilizers that promote excessive foliage

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Fertilize
Plant
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Elegant perennial border with fragrant bloomsSoftening garden edges with lush foliageShaded woodland garden accent

Companion Plants

Hosta Ferns Bleeding Heart Astilbe Lungwort

Multiply

Propagation Methods

Good to Know

Common Questions

Garden Treasure Itoh Peony questions

What zones can Garden Treasure Itoh Peony grow in?

Garden Treasure Itoh Peony is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Garden Treasure Itoh Peony deer resistant?

Yes — Garden Treasure Itoh Peony is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Garden Treasure Itoh Peony bloom?

Garden Treasure Itoh Peony typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Garden Treasure Itoh Peony need full sun?

Garden Treasure Itoh Peony does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.