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.

A common way of estimating when you can plant nierembergia is to check out the USDA zone info for Cocoa.

Planting Calendar for Nierembergia

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

Nierembergia require warm weather which means that you have to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant nierembergia in Cocoa 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 nierembergia and expect a good harvest is probably September. You probably don't want to wait any later than that or else your nierembergia may not have a chance to really do well. If you are starting your nierembergia indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Cocoa. In the coldest months of winter you should expect an average low temperature of 25°F.

It's important to remember that USDA zone info for Cocoa is an average and the actual date of last frost will vary from year to year. Since half of the time in Cocoa you get a frost after February 15 be ready to protect your nierembergia in the event of one of those late frosts.

USDA Zone Info for Cocoa

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 Cocoa

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