When to plant pumpkins in southern california

Pumpkins can be grown in USDA zones 3 through 11.

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Pumpkin seeds for planting

Determining when to plant pumpkins in your area really boils down to soil temperature and timing your growing season. Depending on the pumpkin variety, they need 80 to 150 days of growing time in soils that are 65 to 95 degrees Fahrenheit.

In this article, I’ll break down:

How soil temperatures affect pumpkin growth.

Why you need to add extra days to seed packet maturity days at the end of the season.

When to plant seeds indoors if you have a short growing season.

When to plant pumpkins for Halloween.

And a breakdown state by state of when to plant pumpkins.

Soil Temperature for Planting Pumpkins

Pumpkins do best in soil that is 65 to 95 degrees Fahrenheit.

San diego master gardeners planting guide

Keep in mind that soil holds heat better than air does and the soil temperature can differ from air temperature by 10 to 40 degrees. The best way to check if your soil is warm enough for pumpkins is to test it with a soil thermometer.

Here’s the soil thermometer I use.

They don’t cost much and are worth having around.

when should i plant pumpkins in southern california

when do you plant pumpkin seeds in southern california