Pumpkin

Cucurbita pepo (Pumpkin Group)

Sprawling annual vine with large edible fruit. Needs a long warm growing season.

Hardiness ratings

Pumpkin hardiness across the four zone systems
SystemRatingTemperature rangeHow to read it
USDA hardiness zone Zone 3–10 −40 °C to 4.4 °C Zones where it can be grown as an annual — not a frost-tolerance rating
RHS hardiness rating H1c 5 °C to 10 °C Plant needs at least this level of cold tolerance
Canadian plant hardiness zone Zone 3–9 −34 °C and warmer Zones where it can be grown as an annual — not a frost-tolerance rating
Australian (ANBG) zone Zone 1–6 −15 °C to 15 °C Zones where it can be grown as an annual — not a frost-tolerance rating

As a tender annual, Pumpkin doesn't overwinter — the zone range shows where the growing season supports it. See the RHS rating for its actual cold tolerance.

Growing notes

  • Frost-tender; sow after last frost
  • Needs rich soil and steady moisture for big fruit

Categories

Related plants

Cross-check Pumpkin against your zones

Reference

Pumpkin on Wikipedia