The Story
Plant Bio
Elsa Sass is known for its lush, large flowers and strong stems.
This cultivar produces large, fragrant, fully double, gardenia-shaped blooms of pure white. It is a late-season bloomer with strong stems that hold the heavy flowers well.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Perennial
Height
30"
Width
36"
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8
Water
Moderate
Humidity
Prefers moderate humidity
Lifespan
50+ years
Native To
Central and Eastern Asia
Toxicity
Toxic to dogs, cats, and horses if ingested
Bloom period
Late spring – Early summer
In flower about 2 months of the year
Planting
How to Grow
- Tuck peony roots 2 inches deep in well-drained soil in early spring.
- Water thoroughly after planting to settle the soil.
- Fertilize with a balanced fertilizer in early spring and mid-summer.
- Mulch around the plant to retain moisture and suppress weeds.
- Support large blooms with stakes if necessary, especially in windy areas.
- Prune back dead foliage in late fall after the first frost.
Pro Tip
Plant peonies in full sun for best flowering and well-drained soil to prevent root rot.
Keep It Thriving
Care Guide
Do
- Water regularly during dry spells 🌱
- Apply mulch to conserve moisture
- Support heavy blooms with stakes
- Fertilize in early spring and mid-summer
- Prune dead foliage in late fall
Don't
- Avoid planting in poorly-drained soil ❌
- Don’t disturb roots during the growing season
- Never over-fertilize, which can cause weak stems
- Avoid pruning in late winter or early spring
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Plant | ||||||||||||
| Stake | ||||||||||||
| Winter Prep |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Elsa Sass Peony questions
What zones can Elsa Sass Peony grow in?
Elsa Sass 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 Elsa Sass Peony deer resistant?
Yes — Elsa Sass Peony is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Elsa Sass Peony bloom?
Elsa Sass 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 Elsa Sass Peony need full sun?
Elsa Sass Peony does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Paeonia to compare

Sarah Bernhardt Peony
Paeonia lactiflora 'Sarah Bernhardt'

Tree Peony 'Duchesse de Lorraine'
Paeonia suffruticosa 'Duchesse de Lorraine'

Tibetan Tree Peony
Paeonia deltoidea

Daydream Peony
Paeonia lactiflora 'Daydream'

Philomele Peony
Paeonia lactiflora 'Philomele'

Festiva Maxima Peony Chinese Peony
Paeonia lactiflora 'Festiva Maxima'
Keep exploring
Explore the genus
Hardy in your zone?
Grow Elsa Sass 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.





















































