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.

One way of making a decision about when it's a good idea to plant browallia is to refer to the USDA zone info for Mount Holly.

Planting Calendar for Browallia

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

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

The earliest that you can plant browallia in Mount Holly 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 browallia and expect a good harvest is probably August. Any later than that and your browallia may not have a chance to really do well. Starting your browallia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Mount Holly. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Mount Holly is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Mount Holly there is a last frost after April 15 be ready to protect your browallia if you have a surprise late frost.

USDA Zone Info for Mount Holly

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 Mount Holly

You may be interested in your other planting guides for Mount Holly.