When can I plant Arabis in Zone 3b

One of the first steps we take when we are estimating our gardening schedule is find our USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

A common way of getting a good idea when it's possible to plant arabis is to refer to the USDA zone info for Zone 3b.


Planting Calendar for Arabis

Frost tolerance for arabis: Very tolerant of frost.
When you should plant them: Up to 7 weeks before last frost.

Arabis do well in cold weather which means that you can plant them much earlier in the year than more sensitive plants.

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

The earliest that you can plant arabis in Zone 3b 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 arabis and expect a good harvest is probably August. You probably don't want to wait any later than that or else your arabis may not have a chance to grow to maturity. Starting your arabis indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Zone 3b. We can expect an average low temperature of -35°F in the coldest months of winter.

Keep in mind that our actual date of last frost is an average because it is based on the USDA zone info for Zone 3b and it will vary from year to year. Half of the time in Zone 3b we get surprised by a frost after May 15 so make sure that you are ready to cover your arabis if we have a surprise late frost.

USDA Zone Info for Zone 3b

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-35°F
Highest Expected Low-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Zone 3b

You may be interested in our other planting guides for Zone 3b.