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 can determine when to plant heliotrope in Caruthersville by referring to 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.

Heliotrope do not do well in cold weather which means that it's necessary to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant heliotrope in Caruthersville 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 few weeks earlier by starting your heliotrope indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Caruthersville is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Caruthersville last frost occurs after April 15 so be sure to be ready to protect your heliotrope if you have one of those late frosts.

USDA Zone Info for Caruthersville

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 Caruthersville

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