Jalapeno
Capsicum annuum
Start jalapeno 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: TilmanBaumann, CC BY-SA 3.0 · 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 jalapeno
- 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, rich, loamy soil
- Germination
- 7-14 days at 75-85°F
- Harvest season
- Summer, Early Fall
- Mature height
- 24-36 inches
- Support
- Stake
- Life cycle
- Annual
Start seeds indoors 8-10 weeks before the last spring frost, utilizing a heat mat and grow lights. Transplant only after all danger of frost has passed and soil temperatures are consistently warm.
Watering. Maintain consistent soil moisture, avoiding waterlogging. Deep watering is crucial. Reduce frequency slightly as fruits mature to enhance flavor.
Neighbours
The companion chart →
Carrot
Onion
Basil
Oregano
Marjoram
Tomato
Okra
Radish
Spinach
Swiss Chard
NasturtiumKeep apart from
Kohlrabi
Fennel
ApricotFeeding
- Seedlings
- Apply half-strength balanced liquid fertilizer once true leaves have developed.
- Growing
- Utilize a balanced NPK fertilizer every 2-3 weeks during vegetative growth, transitioning to higher phosphorus and potassium at flowering.
- Flowering and fruiting
- Administer a high phosphorus and potassium fertilizer to support fruit set and development.
- How often
- Every 2-3 weeks during active growth and fruiting periods.
- Note
- Avoid excessive nitrogen application, which can prioritize foliage development over fruit production. Ensure adequate calcium to prevent blossom end rot.
Your jalapeno, 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.