Jalapeños are warm-season perennials grown as annuals, producing thick-walled fruit of medium heat. They need a long warm season and steady moisture to develop flavour and heat.
See this plant in the collectionSoil pH
6.0 – 6.8
Germination soil temp
21 – 32 °C
Growing air temp
21 – 29 °C
Spacing
30 – 45 cm apart
Sowing depth
0.6 cm
Sun
6 – 8+ hours per day
Water
2.5 – 3.8 cm per week
Days to maturity
70 – 85 from transplant
Start seeds indoors about 8 weeks before transplanting.
Move plants out only once nights stay above 10 °C.
Warm the soil with dark mulch before planting.
Avoid high-nitrogen feeds, which delay fruiting.
Pick dark green for classic heat, or leave to redden for sweetness.
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