When to Plant Squash in Yucaipa, CA

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when it's a good idea to plant squash is to refer to the USDA zone info for Yucaipa.


Planting Calendar for Squash

Frost tolerance for squash: Not tolerant of frost.
When to plant: After the last frost has passed.

Since squash do not do well in cold weather it is important to wait until after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant squash
Possibly ok, but a risky time to plant squash
Probably not a good time to plant squash

The earliest that you can plant squash in Yucaipa is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant squash and expect a good harvest is probably September. If you wait any later than that and your squash may not have a chance to grow to maturity. Starting your squash indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Yucaipa the average date of last frost happens on February 15. You can expect an average low temperature of 25°F in the coldest months of winter.

Remember that USDA zone info for Yucaipa may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Yucaipa it frosts late in the year after February 15 be ready to protect your squash in the event of a surprise late frost.

USDA Zone Info for Yucaipa

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Yucaipa

You may be interested in your other planting guides for Yucaipa.