One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to figure out when it's possible to plant zucchini by checking out the USDA zone info for Cullman.

Planting Calendar for Zucchini

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

Zucchini require warm weather which tells us that you really should wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant zucchini in Cullman 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. You probably don't want to wait any later than that or else your zucchini may not have a chance to really do well. Starting your zucchini indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Cullman. You should expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Cullman may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Cullman you get a frost after April 15 so just be sure to be ready to cover your zucchini if you have a surprise late frost.

USDA Zone Info for Cullman

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Cullman

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