One of the first steps you take when you are getting a good idea 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.

A way of determining when it's a good idea to plant nierembergia is to refer to the USDA zone info for Gastonia.

Planting Calendar for Nierembergia

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

Since nierembergia are not cold tolerant it's important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant nierembergia in Gastonia 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 nierembergia and expect a good harvest is probably August. If you wait any later than that and your nierembergia may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your nierembergia indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Gastonia. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Gastonia is an average the actual date of last frost is different every year. Half of the time in Gastonia last frost occurs after April 15 so be sure to be ready to protect your nierembergia if you have a surprise late frost.

USDA Zone Info for Gastonia

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Gastonia

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