The USDA Zone info is a great tool for gardeners to help us determine 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 can estimate when to plant heliotrope in White Hall by reviewing the USDA zone info.

Planting Calendar for Heliotrope

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

Since heliotrope are not cold tolerant it is important to wait until after the last frost before you can plant them.

The earliest that you can plant heliotrope in White Hall 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. If you wait any later than that and your heliotrope may not have a chance to fully mature. Starting your heliotrope indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on March 15 in White Hall. You should expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for White Hall is just an average the actual date of last frost changes from year to year. Since half of the time in White Hall you get a frost after March 15 be ready to cover your heliotrope in the event of one of those late frosts.

USDA Zone Info for White Hall

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 White Hall

You may be interested in your other planting guides for White Hall.