One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

By using the USDA zone info for Mcdonough it's possible to determine when you can plant salpiglossis.

Planting Calendar for Salpiglossis

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

You should not plant salpiglossis until after the last frost has passed because they require warm weather.

The earliest that you can plant salpiglossis in Mcdonough 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. Starting your salpiglossis indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Mcdonough the average date of last frost happens on March 15. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Mcdonough is not always accurate the actual date of last frost is different every year. Since half of the time in Mcdonough it frosts late in the year after March 15 be ready to cover your salpiglossis if you have a late frost.

USDA Zone Info for Mcdonough

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 Mcdonough

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