Capsicum annuum var. annuum Longum Group jalapeño
chilli pepper 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
Size
Ultimate height
0.5–1 metresTime to ultimate height
1 yearUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Neutral, AlkalineColour & scent
| Stem | Flower | Foliage | Fruit | |
| 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
H1CBotanical details
- Family
- Solanaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Potentially harmful
- Humans/Pets: Irritant if eaten, skin/eye irritant. Wear gloves and other protective equipment when handling For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
- 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, peat-free 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
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.