When to plant peonies
Short answer
Plant peonies about 6 weeks before your first fall frost. In a mid climate (zone 5) that's around Sep 13. It’s a perennial — expect your first real harvest in year 2–3. Enter your ZIP for your exact dates.
| Climate zone | Start indoors | Plant outside | Harvest |
|---|---|---|---|
| Zone 1 | — | Nov 8 | Year 2–3 |
| Zone 2 | — | Oct 24 | Year 2–3 |
| Zone 3 | — | Oct 14 | Year 2–3 |
| Zone 4 | — | Sep 29 | Year 2–3 |
| Zone 5 | — | Sep 13 | Year 2–3 |
| Zone 6 | — | Aug 29 | Year 2–3 |
| Zone 7 | — | Aug 14 | Year 2–3 |
| Zone 8 | — | Jul 25 | Year 2–3 |
Higher climate-zone numbers are colder, so planting shifts later. Peonies is a hardy crop. Enter your ZIP in the calculator for your exact zone and dates.
What sets the timing for peonies
When to plant peonies comes down to one date: your first fall frost. Peonies is a hardy crop, so it goes in about 6 weeks before your first fall frost. In a mid climate (zone 5) that's around Sep 13.
Peonies is usually sown straight into the ground — no indoor start needed. As a perennial it establishes over time, so don't expect a full first bloom until year 2–3.
Because that anchor date moves with climate, plant-out for peonies ranges from about Oct 14 in warm zone 3 to Aug 14 in cold zone 7. Enter your ZIP in the calculator for the exact dates in your zone.
What sets the timing
| Factor | Effect on timing |
|---|---|
| Frost anchor | Timing counts from your first fall frost |
| Hardiness | Peonies is hardy — it goes in before the last frost |
| Indoor start | Direct-sow — no indoor start needed |
| Days to harvest | Perennial — first real first bloom in year 2–3 |
| Climate zone | Higher (colder) zones push plant-out later; warmer zones let you start sooner |
| Soil & weather | Tolerates cool soil and light frost |
How peonies compares
Plant-out date in a mid climate (zone 5), against an early hardy crop and a late tender one.
| Crop | Plant outside (zone 5) |
|---|---|
| Peas (hardy · plants early) | Mar 11 |
| Peonies | Sep 13 |
| Tomatoes (tender · plants late) | Apr 29 |
Tips for growing peonies
- Start peonies early — it tolerates cool soil and a light frost, so you can plant before your first fall frost.
- Peonies is a perennial — pick a permanent spot and be patient; the first full first bloom comes in year 2–3.
- Enter your ZIP in the calculator for peonies dates tuned to your exact climate zone.
Your exact dates
Open the planting calendarOther crops
Frequently asked questions
When should I plant peonies?
Plant peonies about 6 weeks before your first fall frost. In a warmer zone 4 that's around Sep 29; in a colder zone 6, Aug 29.
How is peonies planted?
Peonies is planted as a bare-root or potted plant, not started from seed indoors.
How long until peonies produces?
Peonies is a perennial. It establishes over a season or two, so expect your first real blooms in year 2–3 rather than the first year.