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Annual Biennial

Capsicum annuum var. annuum (Longum Group) jalapeño

A bushy annual to about 60cm with dark green, pointed, oval leaves and small, white flowers followed by hanging green fruit up to 8cm long, ripening to bright red, medium-hot, chilli peppers

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
1 year
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Neutral, Alkaline
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer White Green Green Red
Autumn White Green Green Red
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H1C
Botanical details
Family
Solanaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
Potentially harmful
Irritant if eaten, skin/eye irritant. Wear gloves and other protective equipment when handling
Genus

Capsicum are annual or perennial plants, with simple, alternate leaves, and tubular or bell-shaped flowers. They are grown for their glossy, many-seeded edible fruits, including chilli and bell peppers, and as indoor ornamental plants

Name status

Correct

How to grow

Cultivation

Best grown inside on a sunny windowsill or in a greenhouse, but can be grown outside once all danger of frost has passed; select a sunny, sheltered position and grow in containers, growing bags or in open ground. Water regularly and feed with a high-potassium, liquid fertiliser once the first fruit has set. See how to grow: chilli peppers for further advice

Propagation

Propagate by seed. See sowing vegetable seeds or sowing seeds indoors for further advice

Suggested planting locations and garden types
  • Patio and container plants
Pruning

Pinch out growing tips of plants when they are about 20cm tall to encourage bushiness

Pests

May be susceptible to glasshouse red spider mite and aphids

Diseases

May be susceptible to blossom end rot

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