When can I plant Jerusalem artichokes 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.

You can figure out when it's the best time to plant jerusalem artichokes in Zone 5b by reviewing the USDA zone info.


Planting Calendar for Jerusalem artichokes

Frost tolerance for jerusalem artichokes: Tolerant of some frost.
When you should plant them: Up to 5 weeks before last frost.

You can plant jerusalem artichokes a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

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

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

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Zone 5b. It might get as low as -15°F during 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 can change quite a bit from year to year. Half of the time in Zone 5b we get a frost after April 15 so make sure that you are ready to cover your jerusalem artichokes in the event of one of those late frosts.

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.