The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to determine when it's possible to plant salpiglossis by looking at the USDA zone info for Monroeville.

Planting Calendar for Salpiglossis

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

It's a bad idea to plant salpiglossis until after the last frost when the weather gets warmer because they do not do well in cold weather.

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

Last Frost Date

On average the last frost has passed is on April 15 in Monroeville. In the coldest months of winter you should expect an average low temperature of -10°F.

Keep in mind that USDA zone info for Monroeville is just an average and the actual date of last frost is different every year. Half of the time in Monroeville there is a last frost after April 15 so always be ready to protect your salpiglossis in the event of one of those late frosts.

USDA Zone Info for Monroeville

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Monroeville

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