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.

The best time to plant heliotrope in Sheffield Lake should be estimated by looking at the USDA zone info.

Planting Calendar for Heliotrope

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

You can not plant heliotrope until after all chance of frost has passed because they do not do well in cold weather.

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

Last Frost Date

On average the last frost is on April 15 in Sheffield Lake. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Sheffield Lake may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Sheffield Lake it frosts late in the year after April 15 be ready to protect your heliotrope in the event of one of those late frosts.

USDA Zone Info for Sheffield Lake

Here is the info for USDA Zone 6a.

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

Plants to Grow in Sheffield Lake

You may be interested in your other planting guides for Sheffield Lake.