One of the best tools that you have as gardeners to help us determine 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.

It's a good idea to figure out when to plant salpiglossis by using the USDA zone info for Waynesboro.

Planting Calendar for Salpiglossis

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

Salpiglossis are not cold tolerant which means that you really should wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant salpiglossis in Waynesboro 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. You can get started a little bit earlier by starting your salpiglossis indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Waynesboro. In the coldest months of winter you should expect an average low temperature of 10°F.

Since the USDA zone info for Waynesboro may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Waynesboro there is a last frost after March 15 so make sure that you are ready to protect your salpiglossis if you have a late frost.

USDA Zone Info for Waynesboro

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Waynesboro

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