Tree Peony is grown for its root. It's hardy across USDA zones 4 through 8 and stands up to deer. Its summer flowers are a moderate draw for honeybees and native bees, even though the root is the prize.
Zones
4-8
pH Range
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Sun
Part Sun
Days to Maturity
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What Tree Peony is
Tree Peony reaches around five feet at maturity. It blooms in summer. It's also deer-resistant.
How to grow Tree Peony
Tree Peony grows in USDA zones 4 through 8. Tree Peony does best in part sun — at least 4 hours of direct sun a day.
USDA Zones
4-8
USDA PHZM 2023
Soil pH
Data pending
USDA PLANTS Database
Sun
Part Sun
Growable Ground plant catalog
Drainage
Data pending
Growable Ground plant catalog
Mature Height
5 ft
Growable Ground plant catalog
Frost-Free Days
0+
The frost-free stretch it needs start to finish — short-season areas may need an indoor head start.
Growable Ground plant catalog
Sow directly
Sow tree peony seed straight into the bed — root crops germinate fast and resent transplanting. Give them part sun.
Match the soil
Pull a soil test from your local Extension lab to confirm pH and drainage match tree peony's needs before planting.
Water steadily
Keep the root zone evenly moist through establishment. Match watering to the plant's drainage preference and your local rainfall.
Harvest at maturity
Pull while roots are young and tender — sweeter than oversized ones. Local Cooperative Extension guides publish timing tables.
Good to know
One caution for pet owners — tree peony is toxic to dogs and cats (mild severity). Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: ASPCA.)
Tree Peony offers moderate value to bees and other pollinators.
Where Tree Peony thrives
Tree Peony is hardy across USDA zones 4 through 8. Zone is only the starting point, though: the soil pH, drainage, and frost dates on your specific land decide how well it actually does.
Zones 4–8·Where Tree Peony growsOpen map →
On USDA hardiness-zone overlap, Tree Peony can grow in these states:
See if Tree Peony will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether tree peony actually takes — we score it against the real conditions at your address.
Three things about your exact spot that zone averages miss:
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
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Frequently Asked Questions
Can I grow Tree Peony in my zone?
Tree Peony grows in USDA hardiness zones 4 through 8 (USDA PHZM 2023). Zone is one factor — soil pH, drainage, and frost dates on your specific parcel also shape whether it takes.
When should you plant Tree Peony?
Time tree peony to your own season rather than the calendar. Your local frost dates set the exact window — a Growable Ground report reads them for your address.
How much sun does Tree Peony need?
Tree Peony does well in partial sun — around 4 hours of direct sun, and it takes some afternoon shade in stride. That flexibility makes it a good match for a bed the house or a nearby tree shades for part of the day. A Growable Ground report maps how the sun actually falls on your land, hour by hour, so you can set it where the light lines up.
What soil does Tree Peony need?
Specific pH data for tree peony is pending. A soil test from your local Extension lab confirms what your site needs.
Does Tree Peony attract pollinators?
Yes — tree peony's flowers are a solid nectar source for honeybees and native bees.
Is Tree Peony safe for pets?
Tree Peony is toxic to pets (dogs,cats) with mild severity. Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: ASPCA.)