When to Plant Heuchera in Anchorage, AK

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 USDA zone info for Anchorage should be reviewed to estimate when 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.

Since heuchera are one of those plants that can tolerate a little bit of cold weather you can plant them a little bit earlier in the year than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant heuchera
Possibly ok, but a risky time to plant heuchera
Probably not a good time to plant heuchera

The earliest that you can plant heuchera in Anchorage 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 grow to maturity. You can get started a few weeks earlier by starting your heuchera indoors.

Last Frost Date

On average all chance of frost has passed is on May 15 in Anchorage. You can expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Anchorage may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Anchorage you get a frost after May 15 so make sure that you are ready to protect your heuchera in the event of one of those late frosts.

USDA Zone Info for Anchorage

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 Anchorage

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