One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to estimate when it's a good idea to plant heliotrope by checking out the USDA zone info for Perry.

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 is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant heliotrope in Perry 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 really do well. You can get started a couple of weeks earlier by starting your heliotrope indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Perry. It might get as low as 10°F during the coldest months of winter.

Keep in mind that USDA zone info for Perry is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Perry it frosts late in the year after March 15 so be sure to be ready to cover your heliotrope if you have a surprise late frost.

USDA Zone Info for Perry

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 Perry

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