The USDA Zone info is a great tool for gardeners to help us estimate 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 Mountain Home should be determined by reviewing the USDA zone info.

Planting Calendar for Heliotrope

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

Since heliotrope are not cold tolerant it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant heliotrope in Mountain Home 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. You can get started a few weeks earlier by starting your heliotrope indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Mountain Home. In the coldest months of winter you can expect an average low temperature of 0°F.

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Mountain Home and it is different every year. Half of the time in Mountain Home it frosts late in the year after April 15 so make sure that you are ready to cover your heliotrope if you have a late frost.

USDA Zone Info for Mountain Home

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 Mountain Home

You may be interested in your other planting guides for Mountain Home.