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.

The USDA zone info for Riverbank can be read to estimate when it's the best time to plant zucchini.

Planting Calendar for Zucchini

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

It's a bad idea to plant zucchini until after all chance of frost has passed because they require warm weather.

The earliest that you can plant zucchini in Riverbank 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 zucchini and expect a good harvest is probably September. You probably don't want to wait any later than that or else your zucchini may not have a chance to grow to maturity. Starting your zucchini indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Riverbank. You can expect an average low temperature of 25°F in the coldest months of winter.

It's important to remember that USDA zone info for Riverbank is an average and the actual date of last frost will vary from year to year. Since half of the time in Riverbank it frosts late in the year after February 15 be ready to cover your zucchini in the event of one of those late frosts.

USDA Zone Info for Riverbank

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 Low	25°F
Highest Expected Low	30°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 Riverbank

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