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Planting CalendarSeed Starting Schedule

When to Plant Peppers by Zone 2026 🫑

Peppers need more time than almost any other vegetable — 9 weeks of indoor growing before transplanting. Here's exactly when to start for every USDA zone.

Published January 12, 2026

Key Facts About Pepper Timing

Indoor Lead Time

9 weeks

before last frost

Soil Temp Needed

65–75°F

for transplanting

Germination Temp

80–85°F

use a heat mat

Peppers are the most heat-demanding crop in a typical vegetable garden. They need 9 weeks of indoor growth, soil temperatures above 65°F at transplant time, and a long warm season to produce a full harvest. Starting too late is the single most common reason for disappointing pepper crops.

Pepper Planting Schedule by Zone

Zone 3a–4b

Start Indoors

Late Feb – Early Mar

Transplant

Late May – Early Jun

Choose short-season varieties (65 days). Use a heat mat — peppers are slow in cold.

Zone 5a–5b

Start Indoors

Mid Feb – Early Mar

Transplant

Mid–Late May

Start peppers 9 weeks before last frost. Ensure soil reaches 65°F before transplanting.

Zone 6a–6b

Start Indoors

Late Jan – Mid Feb

Transplant

Late Apr – Early May

Zone 6 has a long enough season for most bell and hot pepper varieties.

Zone 7a–7b

Start Indoors

Mid–Late Jan

Transplant

Mid Mar – Early Apr

Start indoors by mid-January. Peppers can produce until November in Zone 7.

Zone 8a–9b

Start Indoors

Nov – Early Dec

Transplant

Feb – Mar

Start very early for a spring crop. A second planting in July–August produces a fall harvest.

Pepper Variety Selection by Zone

Choosing the right pepper variety for your zone is just as important as timing your planting correctly. Here is how to pick varieties that will thrive in your climate:

🧊 Cool Zones (3a–5b): Short-Season Varieties

Gardeners in zones 3–5 need peppers that mature in 65 days or fewer. Look for early bell varieties like King of the North (60 days), Gypsy (65 days), and Ace (70 days). For hot peppers, Early Jalapeño (65 days) and Thai Hot (60 days) are reliable choices. Use black plastic mulch, row covers, and south-facing garden beds to maximize warmth. Starting seeds on a heat mat is non-negotiable in cool zones — without bottom heat, pepper seeds can take 3 weeks or more to germinate.

☀️ Warm Zones (7a–10b): Super-Hot and Specialty Varieties

If you garden in zones 7 or warmer, you have the season length to grow any pepper variety. This is your opportunity to experiment with super-hots like Carolina Reaper (90+ days), Ghost Pepper (100 days), and Habanero (85 days). Sweet specialty peppers like Chocolate Bell, Pimento, and Cubanelle also produce prolifically. Take advantage of your long season by planting a spring crop and a second fall crop for harvests from June through November.

Calculate Your Pepper Dates

FAQs

How many weeks before last frost should I start peppers?
Start pepper seeds 9 weeks before your area's average last frost date. This gives plants time to develop a strong root system and reach transplant size without becoming root-bound.
Why do my pepper seedlings grow so slowly?
Peppers are tropical plants that need warmth to germinate and grow. Use a seedling heat mat to keep the soil at 80–85°F during germination. Without bottom heat, pepper germination can take 3+ weeks and seedlings grow slowly.
Can I plant peppers outside before the last frost?
No. Peppers are extremely frost-sensitive and will be damaged by temperatures below 50°F even without a hard freeze. Always wait until nighttime temperatures consistently stay above 55°F before transplanting.
What soil pH is best for growing peppers?
Peppers grow best in slightly acidic soil with a pH between 6.0 and 6.8. If your soil pH is too low (acidic), add garden lime in the fall before planting. If it is too high (alkaline), mix in sulfur or peat moss. A simple soil test kit from your garden center will give you accurate readings. Peppers are also heavy feeders — amend your soil with compost and a balanced 5-10-10 fertilizer before transplanting.
Can I grow peppers in containers?
Absolutely. Peppers are excellent container plants. Use a 5-gallon pot with drainage holes and high-quality potting mix. Choose compact varieties like Lunchbox, Sweet Banana, or Thai Dragon for best results. Container peppers need more frequent watering — check soil moisture daily and water when the top inch feels dry. Place containers in the sunniest spot available, ideally receiving 8+ hours of direct sunlight.