Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Union Springs you can determine when you can plant salpiglossis by using the USDA zone info.

Planting Calendar for Salpiglossis

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

It's probably not a good idea to plant salpiglossis until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant salpiglossis in Union Springs 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 grow to maturity. 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 March 15 in Union Springs. You can expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Union Springs 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 Union Springs there is a last frost after March 15 be ready to cover your salpiglossis in the event of one of those late frosts.

USDA Zone Info for Union Springs

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 Union Springs

You may be interested in your other planting guides for Union Springs.