One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of estimating when it's a good idea to plant helianthemum is to consult the USDA zone info for Sikeston.

Planting Calendar for Helianthemum

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

Since helianthemum are moderately cold tolerant you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant helianthemum in Sikeston 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. Any later than that and your helianthemum may not have a chance to really do well. You can get started a few weeks earlier by starting your helianthemum indoors.

Last Frost Date

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

Since the USDA zone info for Sikeston is not always accurate the actual date of last frost changes from year to year. Since half of the time in Sikeston you get surprised by a frost after April 15 be ready to protect your helianthemum if you have a surprise late frost.

USDA Zone Info for Sikeston

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 Sikeston

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