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 way of making a decision about when it's a good idea to plant heuchera is to consult the USDA zone info for Union Springs.

Planting Calendar for Heuchera

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

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

The earliest that you can plant heuchera in Union Springs 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 heuchera and expect a good harvest is probably September. Any later than that and your heuchera may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your heuchera indoors.

Last Frost Date

In Union Springs the average date of last frost happens on March 15. You should expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Union Springs is just an average the actual date of last frost will vary from year to year. Half of the time in Union Springs it frosts late in the year after March 15 so just be sure to be ready to cover your heuchera if you have a surprise late frost.

USDA Zone Info for Union Springs

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

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

Plants to Grow in Union Springs

You may be interested in your other planting guides for Union Springs.