The USDA Zone info is a great tool for gardeners to help us determine 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 it's a good idea to plant zucchini by checking out the USDA zone info for Vista.

Planting Calendar for Zucchini

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

Since zucchini do not do well in cold weather it's important to wait until after the last frost before you can plant them.

The earliest that you can plant zucchini in Vista 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 zucchini and expect a good harvest is probably September. Any later than that and your zucchini may not have a chance to really do well. You can get started a little bit earlier by starting your zucchini indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Vista. In the coldest months of winter you can expect an average low temperature of 30°F.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Vista and it will vary from year to year. Half of the time in Vista you get surprised by a frost after January 31 so always be ready to protect your zucchini if you have a late frost.

USDA Zone Info for Vista

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 Vista

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