One of the first steps you take when you are making a decision about 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 possible to plant salpiglossis is to examine the USDA zone info for Chapel Hill.

Planting Calendar for Salpiglossis

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

Salpiglossis are not cold tolerant which means that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant salpiglossis in Chapel Hill 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. If you wait any later than that and your salpiglossis may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your salpiglossis indoors.

Last Frost Date

On average the last frost is on April 15 in Chapel Hill. It might get as low as 5°F during the coldest months of winter.

Always keep in mind that USDA zone info for Chapel Hill is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Chapel Hill last frost occurs after April 15 so always be ready to cover your salpiglossis if you have one of those late frosts.

USDA Zone Info for Chapel Hill

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 Chapel Hill

You may be interested in your other planting guides for Chapel Hill.