When can I plant Bittercress in Zone 5b

Before planting it is a good idea to find our USDA Zone info to estimate our garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

A way of estimating when you can plant bittercress is to check out the USDA zone info for Zone 5b.


Planting Calendar for Bittercress

Frost tolerance for bittercress: Tolerant of a very small amount of frost.
When you should plant them: Up to 3 weeks before last frost.

Bittercress do well in mild cold which means that you can plant them slightly earlier in the year than plants that are more sensitive to the cold.

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

The earliest that you can plant bittercress in Zone 5b 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 bittercress and expect a good harvest is probably August. Any later than that and your bittercress may not have a chance to fully mature. If you are starting your bittercress indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Zone 5b. We should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for Zone 5b may not be accurate from year to year our actual date of last frost will vary from year to year. Since half of the time in Zone 5b we get surprised by a frost after April 15 be ready to cover your bittercress if we have a surprise late frost.

USDA Zone Info for Zone 5b

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°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 -10°F.

Plants to Grow in Zone 5b

You may be interested in our other planting guides for Zone 5b.