One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By referring to the USDA zone info for Hartsville it's possible to determine when to plant zucchini.

Planting Calendar for Zucchini

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

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

The earliest that you can plant zucchini in Hartsville 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 grow to maturity. You can get started a few weeks earlier by starting your zucchini indoors.

Last Frost Date

In Hartsville the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of 0°F.

Since the USDA zone info for Hartsville is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Hartsville there is a last frost after April 15 be ready to cover your zucchini in the event of a surprise late frost.

USDA Zone Info for Hartsville

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Hartsville

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