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.

You will be able to estimate when it's possible to plant heuchera by looking at the USDA zone info for Thomasville.

Planting Calendar for Heuchera

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

Since heuchera do well in moderate cold you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant heuchera in Thomasville 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. If you wait any later than that and your heuchera may not have a chance to fully mature. If you are starting your heuchera indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Thomasville the average date of last frost happens on March 15. In the coldest months of winter you should expect an average low temperature of 15°F.

Since the USDA zone info for Thomasville may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Thomasville it frosts late in the year after March 15 be ready to cover your heuchera if you have a surprise late frost.

USDA Zone Info for Thomasville

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Thomasville

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