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

In Molalla you can estimate when it's the best time to plant heuchera 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.

Heuchera tend to make it in some cold which tells us that you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant heuchera in Molalla 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 fully mature. Starting your heuchera indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Molalla. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Molalla may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Molalla you get a frost after March 15 so just be sure to be ready to cover your heuchera if you have a late frost.

USDA Zone Info for Molalla

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Molalla

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