One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. 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 figuring out when you can plant xerianthemum is to check out the USDA zone info for New Prague.

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.

Since xerianthemum are one of those plants that can tolerate a tiny bit of cold weather 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 New Prague 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 xerianthemum and expect a good harvest is probably August. If you wait any later than that and your xerianthemum may not have a chance to fully mature. You can get started a little bit earlier by starting your xerianthemum indoors.

Last Frost Date

On average all chance of frost has passed is on May 15 in New Prague. You should expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for New Prague is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in New Prague it frosts late in the year after May 15 so be sure to be ready to protect your xerianthemum if you have a late frost.

USDA Zone Info for New Prague

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in New Prague

You may be interested in your other planting guides for New Prague.