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.

The first chance to plant heuchera in Clayton should be figured out by using the USDA zone info.

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 bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant heuchera in Clayton is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant heuchera and expect a good harvest is probably October. You probably don't want to wait any later than that or else your heuchera may not have a chance to really do well. You can get started a couple of weeks earlier by starting your heuchera indoors.

Last Frost Date

In Clayton the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 25°F.

It's important to remember that USDA zone info for Clayton may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Clayton you get a frost after February 15 so make sure that you are prepared to cover your heuchera if you have a late frost.

USDA Zone Info for Clayton

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Clayton

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