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Annual Biennial

Cucurbita pepo 'Greenbush'
  • RHS Plants for pollinators

courgette 'Greenbush'

A compact, early-fruiting cultivar which produces smooth-skinned, dark green courgettes, which are ready to harvest when approximately 15-20cm (6-8in) in length. These are produced over a long period from July to October, as long as the developing fruits are regularly picked. The fruits can also be left on the plant to develop into marrows. The courgettes have good flavour. Its relatively compact habit makes it suitable for growing in containers on the patio where border space is limited. The bright yellow flowers are attractive to pollinating insects. The flowers can also be picked and used in cooking

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1 year
Ultimate spread
1–1.5 metres
Growing conditions
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Yellow Green Green
Autumn Yellow Green Green
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H2
Botanical details
Family
Cucurbitaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
Potentially harmful
If crop is bitter, don't eat. Wear gloves and other protective equipment when handling
Genus

A small genus of climbing or trailing, annual herbaceous fruits. Several edible species are cultivated for food and other uses. Native to Central and South America. Solitary, star-shaped flowers are usually golden-yellow. Leaves are palmately lobed, covered with tiny, prickly hairs

Name status

Unresolved

How to grow

Cultivation

Grow in fertile, moisture retentive but well drained, acidic to neutral soil in full sun. Sow indoors March to May in good quality seed compost. Sow the seeds on their side 1cm deep and maintain a constant temperature of 18-21C. Feed regularly with a high potassium fertiliser when the first fruits start to swell. See courgette cultivation

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

No pruning required

Pests

Generally pest-free

Diseases

May be susceptible to grey moulds and powdery mildews

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