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.

You should be able to determine when it's the best time to plant nierembergia by referring to the USDA zone info for Miami.

Planting Calendar for Nierembergia

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

Since nierembergia are not cold tolerant you need to wait until after the last frost before you can plant them.

The earliest that you can plant nierembergia in Miami is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant nierembergia and expect a good harvest is probably November. You probably don't want to wait any later than that or else your nierembergia may not have a chance to grow to maturity. 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

In Miami it never frosts. It might get as low as 40°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Miami is just an average and the actual date of last frost will vary from year to year. Since it never frosts in Miami you do not have to be ready to protect your nierembergia if you have a surprise late frost.

USDA Zone Info for Miami

Here is the info for USDA Zone 11a.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	40°F
Highest Expected Low	45°F

This means that on a really cold year, the coldest it will get is 40°F. On most years you should be prepared to experience lows near 45°F.

Plants to Grow in Miami

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