The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Bernardsville you should be able to determine when it's the best time to plant heliotrope.

Planting Calendar for Heliotrope

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

Since heliotrope require warm weather it's important to wait until after the last frost when the weather gets warmer before you can plant them.

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

Last Frost Date

The average date of last frost is April 15 in Bernardsville. It might get as low as -5°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Bernardsville may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Bernardsville you get a frost after April 15 be ready to protect your heliotrope in the event of one of those late frosts.

USDA Zone Info for Bernardsville

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Bernardsville

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