Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to figure out when it's the best time to plant heuchera by referring to the USDA zone info for Ardmore.

Planting Calendar for Heuchera

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

You can plant heuchera a little earlier in the year because they do well in moderate cold.

The earliest that you can plant heuchera in Ardmore 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 really do well. You can get started a few weeks earlier by starting your heuchera indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Ardmore. You should expect an average low temperature of 5°F in the coldest months of winter.

Keep in mind that USDA zone info for Ardmore may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Ardmore last frost occurs after April 15 be ready to cover your heuchera if you have a late frost.

USDA Zone Info for Ardmore

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Ardmore

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