One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to estimate when it's a good idea to plant heliotrope by reviewing the USDA zone info for Sylvester.

Planting Calendar for Heliotrope

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

Heliotrope require warm weather which tells us that it is important to wait until it warms up after the last frost has passed before you can plant them.

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

Last Frost Date

On average the last frost has passed is on March 15 in Sylvester. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Sylvester is an average the actual date of last frost changes from year to year. Half of the time in Sylvester you get a frost after March 15 so always be ready to cover your heliotrope if you have one of those late frosts.

USDA Zone Info for Sylvester

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Sylvester

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