Cucurbita pepo 'Early Gem'

RHS Plant Profile
courgette 'Early Gem'

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A very early courgette variety producing high yields of slender, dark green fruits in Summer. It is noted for its reliability and good flavour

Position

Full sun

Soil Types

Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
1 year
Max Spread
0.5-1 metres
Max Height
0.1-0.5 metres

Growing Conditions

Loam Sand
Moisture
Well–drained or Moist but well–drained
pH
Acid or Neutral

Position

Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H2

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Cucurbitaceae
Native to GB/Ireland
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
Accepted

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 will extend cropping

Pests

May be susceptible to slugs and snails

Diseases

May be susceptible to grey moulds and powdery mildews