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.

The USDA zone info for Carrboro can be used to determine when you can plant impatiens.

Planting Calendar for Impatiens

Frost tolerance for impatiens:	Not tolerant of frost.
When to plant:	After the last frost.

Since impatiens do not do well in cold weather you must wait until after the last frost before you can plant them.

The earliest that you can plant impatiens in Carrboro 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 impatiens and expect a good harvest is probably August. You probably don't want to wait any later than that or else your impatiens may not have a chance to fully mature. Starting your impatiens indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Carrboro. It might get as low as 5°F during the coldest months of winter.

Since the USDA zone info for Carrboro may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Carrboro it frosts late in the year after April 15 be ready to cover your impatiens if you have a surprise late frost.

USDA Zone Info for Carrboro

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 Carrboro

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