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When to Plant Jerusalem artichokes in Creston, IA

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Creston should be reviewed to determine when you can plant jerusalem artichokes.


Planting Calendar for Jerusalem artichokes

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

Jerusalem artichokes do well in moderate cold which means that you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

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 Creston 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 really do well. If you are starting your jerusalem artichokes indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Creston. In the coldest months of winter you can expect an average low temperature of -20°F.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Creston and it can change quite a bit from year to year. Since half of the time in Creston you get a frost after April 15 be ready to cover your jerusalem artichokes if you have one of those late frosts.

USDA Zone Info for Creston

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

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

Plants to Grow in Creston

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