The USDA Zone info is a great tool for gardeners to help us figure out 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.

One way of getting a good idea when it's the best time to plant heuchera is to examine the USDA zone info for Twinsburg.

Planting Calendar for Heuchera

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

Heuchera can survive in some cold which means that you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant heuchera in Twinsburg 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. 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 Twinsburg the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

Keep in mind that USDA zone info for Twinsburg is just an average and the actual date of last frost is different every year. Half of the time in Twinsburg there is a last frost after April 15 so make sure that you are ready to protect your heuchera if you have one of those late frosts.

USDA Zone Info for Twinsburg

Here is the info for USDA Zone 6a.

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

Plants to Grow in Twinsburg

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