Peonies Planting Guide
June is for peonies
Whether you're sowing, transplanting, or harvesting, peonies needs the right timing. Check your zone below for exact dates.
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How to water peonies
About an inch of water a week keeps peonies happy. Check your weather forecast before watering — skip if rain is coming.
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Where to put peonies
peonies wants at least 6 hours of direct sun. Less than that and you'll get leggy plants with weak yields.
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Check your local forecast before planting
Your zone determines the exact week to plant peonies. Pick your county below and we'll line everything up against your frost dates.
Peonies (Paeonia lactiflora) are the crown jewels of the spring garden — magnificent, fragrant blooms in white, pink, and red that can last 100 years or more in the same spot with minimal care. Extremely cold-hardy and requiring a period of winter chill to bloom, they are most productive in Zones 3–7. Each established clump produces dozens of lush, fully double or semi-double flowers over a 2–3 week window in late spring. Virtually pest-free beyond the cosmetic presence of ants on buds (which are harmless). Once sited correctly, peonies rarely need dividing or moving.
Paeonia lactiflora · Flower · Paeoniaceae family · 90–120 days to maturity
Why it matters: If you're just starting a flower garden in your area, Peonies is a forgiving first pick. It tolerates imperfect soil, mild drought, and the occasional missed watering. The reward: weeks (sometimes months) of continuous color.
Get Your Personalized Peonies Planting Dates
Enter your ZIP code to see exact planting dates, soil compatibility, and growing tips specific to your county.
Where Can You Grow Peonies?
Peonies Growing Regions
Click any state to see the Peonies planting schedule for that location.
Planting Dates by Zone
| Zone | Start Indoors | Direct Sow | Transplant | Bloom |
|---|---|---|---|---|
| Zone 3a | — | — | May 29 | Aug 7 – Sep 4 |
| Zone 3b | — | — | May 24 | Aug 2 – Aug 30 |
| Zone 4a | — | — | May 20 | Jul 29 – Sep 2 |
| Zone 4b | — | — | May 15 | Jul 24 – Aug 28 |
| Zone 5a | — | — | May 9 | Jul 18 – Aug 29 |
| Zone 5b | — | — | May 2 | Jul 11 – Aug 22 |
| Zone 6a | — | — | Apr 17 | Jun 19 – Jul 24 |
| Zone 6b | — | — | Apr 10 | Jun 12 – Jul 17 |
| Zone 7a | — | — | Apr 1 | May 27 – Jul 1 |
| Zone 7b | — | — | Mar 25 | May 20 – Jun 17 |
| Zone 8a | — | — | Mar 8 | May 3 – May 31 |
| Zone 8b | — | — | Feb 25 | Apr 22 – May 20 |
Why are some columns showing "—"?
Start Indoors shows "—" because Peonies is typically direct sown outdoors rather than started indoors. It germinates quickly and doesn't transplant well.
Direct Sow shows "—" because Peonies benefits from being started indoors first, then transplanted after the last frost.
How to Plant Peonies
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
Water when the top inch of soil feels dry. Consistent moisture produces the best results.
🧪 Soil pH
6.5 – 7
Prefers neutral to slightly acidic soil — ideal for most garden beds.
🗺️ Hardiness Zones
Zone 3a – 8b
📅 Days to Maturity
90–120 days
Medium-season crop. Start early for best results in shorter seasons.
👪 Plant Family
Paeoniaceae
Rotate with other families yearly to prevent soil-borne diseases. Don't plant in the same spot where Paeoniaceae family crops grew last year.
How Much Peonies to Grow
Peonies takes 90–120 days to mature. In most zones you'll get one harvest per season, so plant enough to last.
Companion Planting for Peonies
✅ Good Companions
Check more combinations with our Companion Planting Checker →
Growing Tips for Peonies
Plant bare-root divisions in fall (late September through October in Zones 3–7; November in Zone 8) with eyes facing upward and positioned exactly 1–2 inches below soil surface — deeper planting is the most common reason peonies fail to bloom. Choose a site with full sun and excellent drainage. Peonies require 6+ weeks of temperatures below 40°F (cold stratification period) for reliable bloom — they do not perform well in Zone 9+. Do not expect full bloom the first or second year; Year 3+ plants deliver the most impressive flowering. Avoid moving established plants. Stake double- flowered types before heavy blooms cause stems to flop. Cut stems to ground in fall after frost kills foliage to prevent botrytis overwinter.
Saving Peonies Seeds
Recommended for Your Garden
Start seeds indoors with reusable cell trays and humidity domes.
Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.
Keep your garden organized with durable, weather-resistant plant labels.
Seed Saving & Storage Guide
Most saved seeds go bad before next season. This shows exactly when to pick, how to dry, and where to store seeds from 200 plants so yours don't.
- 200 plants, step-by-step: life cycle, pollination type, isolation
- Exact temperature + humidity ranges that keep seeds viable
- Bonus: searchable Google Sheets tracker + custom GPT assistant
Peonies by State
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Frequently Asked Questions
How long does it take to grow Peonies?
Peonies (Paeonia lactiflora) takes 90 to 120 days from planting to harvest. Exact timing depends on your variety, growing conditions, and USDA zone.
What zones can Peonies grow in?
Peonies can be grown in USDA zones 3a through 8b. Use the planting calendar above to find the exact dates for your zone.
How much sun does Peonies need?
Growing Peonies requires Full Sun (6-8+ hours), Moderate — regular watering, and soil pH of 6.5 to 7.