The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of estimating when it's the best time to plant helianthemum is to refer to the USDA zone info for Mount Juliet.

Planting Calendar for Helianthemum

Frost tolerance for helianthemum:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Helianthemum do well in moderate cold which means that you can get them planted earlier than other plants that might not handle the cold.

The earliest that you can plant helianthemum in Mount Juliet is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant helianthemum and expect a good harvest is probably September. You probably don't want to wait any later than that or else your helianthemum may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your helianthemum indoors.

Last Frost Date

The average date of last frost is April 15 in Mount Juliet. It might get as low as 0°F during the coldest months of winter.

It's important to remember that USDA zone info for Mount Juliet is an average and the actual date of last frost will vary from year to year. Since half of the time in Mount Juliet it frosts late in the year after April 15 be ready to protect your helianthemum if you have one of those late frosts.

USDA Zone Info for Mount Juliet

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 Mount Juliet

You may be interested in your other planting guides for Mount Juliet.