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 reviewing the USDA zone info for Corry it's a good idea to determine when to plant heliotrope.

Planting Calendar for Heliotrope

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

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

The earliest that you can plant heliotrope in Corry 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. You probably don't want to wait any later than that or else 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

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

It's important to remember that USDA zone info for Corry is not always accurate and the actual date of last frost changes from year to year. Half of the time in Corry it frosts late in the year after April 15 so make sure that you are ready to cover your heliotrope in the event of one of those late frosts.

USDA Zone Info for Corry

Here is the info for USDA Zone 5b.

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

Plants to Grow in Corry

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