species

Cucurbita maxima

Pumpkin · Winter squash

A scale drawing of Cucurbita maxima, 50 cm tall · 2.5 m across, beside a 1.7 m figure.

Scale drawing from this record, beside a 1.7 m figure.

Cucurbita maxima is a annual in the family Cucurbitaceae, also known as Pumpkin or Winter squash, introduced to the UK. It reaches 50 cm tall and 2.5 m across in about 10 years. It grows in full sun, on loam or clay soil, where the ground is acid or neutral and in moist or well drained conditions, and suits sheltered positions. It flowers from June to August. Its RHS hardiness rating is H2 (tender): 1 to 5°C.

Assembled from the attributes recorded below.

What this plant needs

Size at maturity
50 cm tall × 2.5 m across, after about 10 years
Hardiness
H2 (RHS)
Lifecycle
Annual
Aspect
Full sun
Soil
Loam, Clay
Acidity
Acid, Neutral
Moisture
Moist, Well drained
Exposure
Sheltered
In the UK
Introduced

When it flowers

  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May
  6. Jun
  7. Jul
  8. Aug
  9. Sep
  10. Oct
  11. Nov
  12. Dec

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