The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to estimate when you can plant squash by referring to the USDA zone info for San Marino.

Planting Calendar for Squash

Frost tolerance for squash:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since squash do not do well in cold weather you must wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant squash in San Marino is February. However, you really should wait until March 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 really do well. If you are starting your squash indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is January 31 in San Marino. It might get as low as 30°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for San Marino and it can change quite a bit from year to year. Since half of the time in San Marino it frosts late in the year after January 31 be ready to protect your squash in the event of a surprise late frost.

USDA Zone Info for San Marino

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in San Marino

You may be interested in your other planting guides for San Marino.