Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Walkertown you should be able to figure out when it's a good idea to plant salpiglossis.

Planting Calendar for Salpiglossis

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

Since salpiglossis require warm 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 Walkertown 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 really do well. If you are starting your salpiglossis indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Walkertown. You should expect an average low temperature of 5°F in the coldest months of winter.

Remember that USDA zone info for Walkertown is an average and the actual date of last frost is different every year. Since half of the time in Walkertown it frosts late in the year after April 15 be ready to protect your salpiglossis if you have a surprise late frost.

USDA Zone Info for Walkertown

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 Walkertown

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