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Sweet Peppers in Stirling

Capsicum annuum

Sweet Pepper
Fruit Active in August

Sweet peppers are tender annuals that produce crisp, colourful fruits with a mild flavour. Native to Central and South America, they thrive in warm, sunny positions and are commonly grown under glass in the UK to ensure reliable cropping, though they can succeed outdoors in sheltered spots during particularly warm summers.

Height
75cm
Sunlight
Full Shade
Water
Moderate Water
Add to garden

Growing Guide

Step-by-step instructions for growing Sweet Pepper

Planting Calendar

Seed IndoorLater
J
F
M
A
M
J
J
A
S
O
N
D
TransplantLater
J
F
M
A
M
J
J
A
S
O
N
D
FertiliseNow
J
F
M
A
M
J
J
A
S
O
N
D
PruneLater
J
F
M
A
M
J
J
A
S
O
N
D
HarvestNow
J
F
M
A
M
J
J
A
S
O
N
D
MaintenanceLater
J
F
M
A
M
J
J
A
S
O
N
D

Growing Guide for

Change the guide to see different planting timelines and tips.

Step by step guide to growing sweet peppers outdoors in a warm, sheltered spot.

  1. Sow Seeds Indoors

    31 Jan – 20 Feb

    Fill seed trays with peat-free seed compost and sow your seeds about deep. Cover lightly with compost and water gently from below. Place on a warm windowsill or in a propagator at .

  2. Prick Out Seedlings

    12 Feb – 25 Feb

    When the first true leaves appear, transplant seedlings into pots with peat-free compost. Keep in a bright, warm spot and water to keep moist.

  3. Pot On

    5 Mar – 20 Mar

    As plants grow and roots fill the pots, move them to larger containers to develop strongly before planting out.

  4. Harden Off

    18 May – 31 May

    May in Stirling is usually time to start hardening off your plants. Place them outside during the day and bring in at night, gradually increasing exposure over two weeks to acclimatise to outdoor conditions.

  5. Transplant Outdoors

    28 May – 11 Jun

    After all risk of frost has passed, plant in a sunny, sheltered spot with well-drained soil. Space apart and stake if needed. Protect from slugs with barriers.

  6. Pinch Out Growing Tips

    14 Jun – 28 Jun

    Pinch out the tips when plants are high to promote bushiness and more fruits.

  7. Fertilise

    14 Jun – 12 Sept

    Once flowers form, feed every week with high-potash fertiliser. Water consistently and mist flowers in dry weather to aid fruit set.

  8. Harvest

    24 Jul – 17 Sept

    Harvest when fruits are full-sized, picking green or allowing to colour for sweetness. Keep picking to extend the crop.

Companion Plants

Tap a plant to see why it works (or doesn't) with Sweet Pepper.

Good companions

Plants to avoid

Why companion planting matters

Companion planting can deter pests, improve pollination, and make better use of space. Some plants confuse pests or attract beneficial insects; others improve soil or offer shade to neighbours that need it.

Also in nearby towns

See how Sweet Pepper timing shifts in other towns with different frost dates.