One of the first steps you take when you are determining 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 can determine when you can plant heliotrope in Walkertown by using the USDA zone info.

Planting Calendar for Heliotrope

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

Since heliotrope require warm weather you really should wait until after the last frost before you can plant them.

The earliest that you can plant heliotrope in Walkertown 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 grow to maturity. Starting your heliotrope indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Walkertown. You should expect an average low temperature of 5°F in the coldest months of winter.

Since the USDA zone info for Walkertown is just an average the actual date of last frost will vary from year to year. Half of the time in Walkertown last frost occurs after April 15 so make sure that you are ready to protect your heliotrope in the event of one of those late frosts.

USDA Zone Info for Walkertown

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Walkertown

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