One of the first steps you take when you are getting a good idea your gardening schedule is find your 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.

The USDA zone info for Boone should be used to determine when it's a good idea to plant heuchera.

Planting Calendar for Heuchera

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

Heuchera are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them a little bit earlier than other frost tender plants.

The earliest that you can plant heuchera in Boone 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 little bit earlier by starting your heuchera indoors.

Last Frost Date

On average the last frost is on April 15 in Boone. In the coldest months of winter you should expect an average low temperature of -5°F.

Always keep in mind that USDA zone info for Boone is not always accurate and the actual date of last frost is different every year. Since half of the time in Boone last frost occurs after April 15 be ready to cover your heuchera in the event of one of those late frosts.

USDA Zone Info for Boone

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Boone

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