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Annual Biennial

Cucurbita pepo 'Tristan'
  • RHS Plants for pollinators

courgette 'Tristan'

A reliable, heavy cropping courgette variety producing succulent, cylindrical dark-green fruits throughout the Summer. The fruits have an excellent flavour and are best picked when they reach 20cm in length

Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1 year
Ultimate spread
0.5–1 metres
Growing conditions
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Neutral, Acid
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Yellow Green Green
Autumn 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
Clump forming, Bushy
Potentially harmful
Humans/Pets: If crop is bitter, don't eat or feed to pets. 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 rich, fertile, well drained soil in full sun. Start indoors from mid-late April, sowing in individual pots with seeds on their side about 1.5cm deep. Harden off before June then transplant outdoors to final growing position. See cucurbit cultivation 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
  • Wildlife gardens
Pruning

No pruning required. Regular harvesting extends cropping

Pests

May be susceptible to slugs and snails

Diseases

May be susceptible to grey mould and powdery mildews. Shows some disease resistance

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