Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Gretna you can figure out when to plant cleome by referring to the USDA zone info.

Planting Calendar for Cleome

Frost tolerance for cleome:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since cleome are not cold tolerant it is important to wait until after all chance of frost has passed before you can plant them.

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

Last Frost Date

In Gretna the average date of last frost happens on February 15. You should expect an average low temperature of 25°F in the coldest months of winter.

Remember that USDA zone info for Gretna is an average and the actual date of last frost is different every year. Since half of the time in Gretna last frost occurs after February 15 be ready to protect your cleome 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.