Courgettes in Treleidr

Cucurbita pepo

Courgette
Vegetable Active in July

A tender summer crop for the UK. Sow indoors in warmth, plant out after the last frost into rich, moisture-retentive soil, and keep picking young fruits to keep plants productive.

Height
60cm
Sunlight
Full Sun
Water
High Water

Growing Guide

Step-by-step instructions for growing Courgette

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
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
  1. Sow Seeds Indoors

    24 Feb – 3 Mar

    Sow one seed on its edge in a small pot of warm compost around 24th February - 3rd March. Keep the compost just moist and do not sow earlier, because seedlings grow fast and can become root-bound if left too long.

  2. Pot On Seedlings

    13 Mar – 27 Mar

    When the first true leaves are formed, move each seedling into a larger pot so roots have room to develop. Handle them gently and keep them in good light from 13th March to 27th March.

  3. Harden Off Plants

    17 Mar – 31 Mar

    Acclimatise plants outdoors over about 10 days from 17th March to 31st March. Start in a sheltered spot by day and bring them in at night, then leave them out longer each day until they cope with full outdoor conditions.

  4. Transplant Outdoors

    31 Mar – 14 Apr

    Plant into rich soil or a prepared mound around 31st March - 14th April once frost risk has passed. Water in thoroughly straight after planting, keep the stem base slightly raised above the surrounding soil, and space plants apart.

  5. Water and Feed

    22 May – 26 Nov
    every week

    From 22nd May to 26th November, water deeply at the soil rather than over the leaves, and avoid soaking the main stem. Begin feeding with a high-potash liquid feed once the first fruits set, then repeat every 7 days while plants are cropping.

  6. Harvest Courgettes

    12 May – 26 Nov
    every 3 days

    Pick fruits from 12th May to 26th November while they are small and tender, ideally when they are long. Harvest often, because regular picking keeps the plant producing for longer.

Companion Plants

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

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.

Suggested Varieties

Popular varieties of Courgette to consider

Black Beauty

A reliable green courgette with good cropping and a classic straight fruit shape.

Defender

A popular early, productive hybrid that crops well in UK summers.

Tondo di Piacenza

A round-fruited type that’s handy for stuffing or small harvests.

Astra Polka

A pale-skinned variety with attractive mottling and steady yields.

Also in nearby towns

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