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.

The earliest that you can plant heliotrope in Skiatook can be determined by looking at the USDA zone info.

Planting Calendar for Heliotrope

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

You really shouldn't plant heliotrope until after the last frost because they are not cold tolerant.

The earliest that you can plant heliotrope in Skiatook 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

On average all chance of frost has passed is on April 15 in Skiatook. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Skiatook is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Skiatook you get surprised by a frost after April 15 be ready to cover your heliotrope if you have a surprise late frost.

USDA Zone Info for Skiatook

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Skiatook

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