One of the best tools that you have as gardeners to help us determine 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.

A common way of figuring out when you can plant zucchini is to use the USDA zone info for Harker Heights.

Planting Calendar for Zucchini

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

Since zucchini require warm weather it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant zucchini in Harker Heights 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 grow to maturity. You can get started a couple of weeks earlier by starting your zucchini indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Harker Heights. In the coldest months of winter you should expect an average low temperature of 15°F.

Since the USDA zone info for Harker Heights is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Harker Heights you get surprised by a frost after March 15 be ready to cover your zucchini if you have a late frost.

USDA Zone Info for Harker Heights

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Harker Heights

You may be interested in your other planting guides for Harker Heights.