The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to figure out when it's the best time to plant squash by looking at the USDA zone info for Gretna.

Planting Calendar for Squash

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

Since squash do not do well in cold weather you need to wait until after the last frost has passed before you can plant them.

The earliest that you can plant squash in Gretna 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 squash and expect a good harvest is probably September. Any later than that and your squash may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your squash indoors.

Last Frost Date

The average date of last frost is February 15 in Gretna. It might get as low as 25°F during the coldest months of winter.

It's important to remember that USDA zone info for Gretna is not always accurate and the actual date of last frost is different every year. Half of the time in Gretna it frosts late in the year after February 15 so be sure to be ready to cover your squash if you have one of those late frosts.

USDA Zone Info for Gretna

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 Gretna

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