One of the best tools that you have as gardeners to help us figure out 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.

A common way of determining when it's a good idea to plant xerianthemum is to check out the USDA zone info for Genoa.

Planting Calendar for Xerianthemum

Frost tolerance for xerianthemum:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Xerianthemum tend to make it in a tiny bit of cold which means that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant xerianthemum in Genoa is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant xerianthemum and expect a good harvest is probably August. Any later than that and your xerianthemum may not have a chance to grow to maturity. You can get started a little bit earlier by starting your xerianthemum indoors.

Last Frost Date

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

Since the USDA zone info for Genoa is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Genoa there is a last frost after April 15 be ready to cover your xerianthemum if you have a late frost.

USDA Zone Info for Genoa

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Genoa

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