Crop type: Peppers
Capsicum annuum ‘Jolly Giallo’
Common name: Sweet pepper ‘Jolly Giallo’
Crop slug: peppers
This Allotment Pro editorial draft summarises the cited RHS cultivar profile and its linked crop guidance. Check the sources and adjust cultivation decisions for local conditions.RHS cultivar profile
1 - Overview
‘Jolly Giallo’ is a sweet pepper producing attractive square-shaped golden-yellow fruits with thick fleshy walls and a delicious mild, sweet flavour. The crop recommendation describes fruits around 12cm long. Harvest runs from July to October in warm protected conditions.
Its upright plant and large squared golden fruits distinguish it from smaller yellow patio cultivar ‘Mohawk’.
2 - Size
- Ultimate height
- 0.5–1 metre
- Ultimate spread
- 0.1–0.5 metre
- Time to maturity
- one year
- Fruit size
- square blocky fruits about 12cm long
Plant in a 30cm or larger pot, or 38–45cm apart under cover. Stake the upright plant as its large peppers gain weight.
3 - Growing conditions
- Suitable soils
- Loam or sand
- Moisture
- Moist but well drained, or well drained
- Preferred pH
- Acid or neutral
Grow in fertile moisture-retentive compost or soil and avoid irregular watering. Apply high-potassium liquid feed after fruit sets.
4 - Position and hardiness
- Light
- Full sun
- Aspect
- South- or west-facing
- Exposure
- Sheltered
- Hardiness
- H1c
Use a greenhouse, conservatory or very warm patio. Keep active plants above 15°C where possible and protect from temperatures below 12°C.
5 - Colour and seasonal interest
An upright leafy plant carries small white flowers followed by substantial square, fleshy peppers. They colour to a clear glossy golden yellow from July into October.
6 - Botanical details
- Family
- Solanaceae
- Native to Great Britain and Ireland
- No
- Foliage
- Deciduous
- Habit
- Columnar upright
- Name status
- Accepted
Genus
Capsicum includes tender annual and perennial plants grown for many-seeded glossy fruits. Simple leaves alternate along branching stems beneath small pale flowers.
Safety
The sweet fruit is edible. Do not consume leaves, stems or treated seed.
7 - How to grow
Cultivation
Sow indoors from mid-February to early April at 18–21°C. Transplant seedlings individually once two true leaves form and grow them in bright warmth.
Plant into a sheltered sunny final position after frost. Water consistently, feed with high-potassium liquid fertiliser after fruit set and tie the main stem to a cane. Harvest square fruits from July to October when glossy golden yellow.
Propagation
Propagate by seed sown indoors in warmth.
Suggested locations
- Greenhouse or conservatory
- Patio container
- Polytunnel
- Sunny sheltered courtyard
- Warm vegetable bed
Pruning
Pinch the growing tip to encourage branching if desired, recognising that this can delay fruiting.
Pests
May be susceptible to aphids, glasshouse whitefly and glasshouse red spider mite.
Diseases
May be susceptible to grey mould and blossom end rot. Maintain ventilation and even water.