Best Temperature Range for Pumpkin
Pumpkins thrive in warm weather, but there are specific temperature ranges for optimal growth depending on the stage of their life cycle:
Germination:
- Pumpkins are sensitive to cold. The ideal temperature for germination is between 18°C (64°F) and 35°C (95°F).
- Seeds will struggle to germinate in temperatures below 18°C (64°F) and may even die.
Growth:
- Once seedlings emerge, the ideal temperature range for pumpkin growth is between 20°C (68°F) and 30°C (86°F).
- This warm weather promotes healthy vine growth and flower development.
Maturity and Fruit Development:
- During fruit development, pumpkins can tolerate slightly higher temperatures, up to 38°C (100°F).
- However, excessively hot weather (above 38°C) can stress the plants, potentially leading to lower yields or misshapen fruits.
Additional Factors:
- Nighttime Temperatures: While daytime temperatures are important, nighttime temperatures shouldn't drop below 15°C (59°F) for extended periods during the growing season. This can affect fruit development.
- Humidity: Along with temperature, humidity plays a role. Moderate humidity levels are ideal. Excessive humidity can increase the risk of fungal diseases.
Overall:
Aim to maintain temperatures within the 20°C (68°F) to 30°C (86°F) range for optimal pumpkin growth. If you live in a region with cooler nights, consider using row covers or cloches to provide additional warmth for young seedlings.
Here are some resources for further reference:
- What is the Optimal Temperature for Field pumpkin? (Range, Effects, and Abnormalities): https://www.picturethisai.com/question/Tipuana_tipu-temperature0.html
- Pumpkin - KAU Agri-Infotech Portal: http://www.celkau.in/library/KAU%20Agri%20infotech%20portal.pdf
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