The best time to plant pumpkins depends on your location and the variety you want to grow, but generally:
- For many places, the prime planting time is from early May through June. This timing allows pumpkins to mature during the warm summer months and be ready for fall harvest, such as Halloween or Thanksgiving.
- Pumpkins need a soil temperature of at least 70°F (about 21°C) to germinate, so plant after the danger of frost has passed and the soil has warmed.
- In some regions, like parts of the American South, June is often the best month to plant pumpkins outdoors to ensure they mature before fall.
- Some gardeners start seeds indoors in early spring and transplant them outside once frost has passed and temperatures are consistently above 15°C (59°F).
- For large pumpkins that take longer to mature (up to 120 days), planting earlier in the season (May or early June) is advisable to have them ready for fall events.
In summary, for most climates, plant pumpkins outdoors after last frost when soil temperatures reach at least 70°F, typically between early May and June, or start indoors earlier in spring and transplant after frost risk is gone. This will yield pumpkins ready to harvest in the fall. Adjust planting times based on your local frost dates and pumpkin variety maturity days.