The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By looking at the USDA zone info for Roanoke Rapids you will be able to estimate when it's the best time to plant salpiglossis.

Planting Calendar for Salpiglossis

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

Since salpiglossis do not do well in cold weather it is necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant salpiglossis in Roanoke Rapids 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 salpiglossis and expect a good harvest is probably August. You probably don't want to wait any later than that or else your salpiglossis may not have a chance to really do well. Starting your salpiglossis indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Roanoke Rapids is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Roanoke Rapids you get surprised by a frost after April 15 be ready to cover your salpiglossis in the event of one of those late frosts.

USDA Zone Info for Roanoke Rapids

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 Roanoke Rapids

You may be interested in your other planting guides for Roanoke Rapids.