The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant heuchera in Rawlins can be estimated by checking out 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.

Heuchera do ok in moderate cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

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

The last month that you can plant heuchera and expect a good harvest is probably August. If you wait 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

The average date of last frost is May 15 in Rawlins. It might get as low as -25°F during the coldest months of winter.

It's important to remember that USDA zone info for Rawlins may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Rawlins you get surprised by a frost after May 15 so make sure that you are prepared to protect your heuchera if you have a late frost.

USDA Zone Info for Rawlins

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°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 -20°F.

Plants to Grow in Rawlins

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