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

A way of estimating when it's a good idea to plant heliotrope is to look at the USDA zone info for Leesburg.

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 require warm weather you must wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant heliotrope in Leesburg 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 really do well. Starting your heliotrope indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Leesburg the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of 0°F.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Leesburg and it will vary from year to year. Since half of the time in Leesburg you get surprised by a frost after April 15 be ready to cover your heliotrope in the event of one of those late frosts.

USDA Zone Info for Leesburg

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Leesburg

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