Cayenne Pepper
Capsicum annuum
Start cayenne pepper indoors 6 weeks before your last spring frost, then plant out 2 weeks after your last spring frost. Space plants 18 in (46 cm) apart.
Photo: Ashoka Jegroo, CC BY-SA 4.0 · source
When to plant
Timed from your frost dates, so it holds wherever you garden. Give yours and every step below becomes a date.
Optimal Indoor Start
From seedRecommended- Start indoors6 weeks before your last spring frost
- Begin hardening off1 week after your last spring frost
- Plant out2 weeks after your last spring frost
- First harvestabout 75 days after planting out
Optimal Transplant
From seed- Plant out2 weeks after your last spring frost
- First harvestabout 75 days after planting out
Optimal Fall Transplant
From seed- Plant outabout 16 weeks before your first fall frost
- First harvestabout 75 days after planting out
Growing cayenne pepper
- Spacing in the row
- 18 in (46 cm)
- Between rows
- 30 in (76 cm)
- Planting depth
- 1/4 inch
- Sun
- Full Sun
- Soil
- Well-drained, fertile loam
- Germination
- 7-14 days at 75-85°F
- Harvest season
- Summer, Early Fall
- Mature height
- 24-36 inches
- Support
- Stake
- Life cycle
- Annual
Sow indoors 8-10 weeks before last frost; use heat mat and grow lights.
Watering. Maintain consistent moisture; avoid overwatering and prolonged dry periods.
Neighbours
The companion chart →Feeding
- Seedlings
- Weak liquid fertilizer (half strength) after true leaves appear.
- Growing
- Balanced fertilizer (e.g., 5-10-10 or 10-10-10) every 2-4 weeks.
- Flowering and fruiting
- Phosphorus and Potassium-rich fertilizer (e.g., 5-10-10 or 2-8-4) once flowering starts.
- How often
- Every 2-4 weeks during active growth and fruiting.
- Note
- Avoid high nitrogen levels once flowering begins to promote fruit over foliage.
Your cayenne pepper, planned to the day.
Canopy turns these timings into dates from your own frost data, places every plant at its spacing on your garden map, and tracks it all the way to harvest.