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

A common way of figuring out when it's the best time to plant heliotrope is to look at the USDA zone info for Phenix City.

Planting Calendar for Heliotrope

Frost tolerance for heliotrope:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since heliotrope require warm weather you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant heliotrope in Phenix City 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 heliotrope and expect a good harvest is probably August. Any later than that and your heliotrope may not have a chance to really do well. If you are starting your heliotrope indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Phenix City the average date of last frost happens on March 15. In the coldest months of winter you should expect an average low temperature of 10°F.

Remember that USDA zone info for Phenix City is an average and the actual date of last frost is different every year. Since half of the time in Phenix City it frosts late in the year after March 15 be ready to protect your heliotrope in the event of one of those late frosts.

USDA Zone Info for Phenix City

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 Phenix City

You may be interested in your other planting guides for Phenix City.