Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Valley Center you can estimate when you can plant zucchini by using the USDA zone info.

Planting Calendar for Zucchini

Frost tolerance for zucchini:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since zucchini require warm weather you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant zucchini in Valley Center is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant zucchini and expect a good harvest is probably August. Any later than that and your zucchini may not have a chance to fully mature. If you are starting your zucchini indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Valley Center the average date of last frost happens on April 15. It might get as low as -5°F during the coldest months of winter.

Keep in mind that USDA zone info for Valley Center is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Valley Center last frost occurs after April 15 so always be ready to cover your zucchini in the event of a surprise late frost.

USDA Zone Info for Valley Center

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Valley Center

You may be interested in your other planting guides for Valley Center.