When to Plant Artichokes in Zone 3a

The USDA Zone info is a great tool for gardeners to help us figure out 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.

A common way of making a decision about when to plant artichokes is to check out the USDA zone info for Zone 3a.

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Planting Calendar for Artichokes

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

Artichokes do well in mild cold which means that you can plant them just a bit earlier in the year than other frost tender plants.

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

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

Last Frost Date

In Zone 3a the average date of last frost happens on May 15. It might get as low as -40°F during the coldest months of winter.

Since the USDA zone info for Zone 3a is not always accurate the actual date of last frost is different every year. Since half of the time in Zone 3a you get surprised by a frost after May 15 be ready to cover your artichokes if you have a surprise late frost.

USDA Zone Info for Zone 3a

Here is the info for USDA Zone 3a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-40°F
Highest Expected Low-35°F

This means that on a really cold year, the coldest it will get is -40°F. On most years you should be prepared to experience lows near -35°F.

Plants to Grow in Zone 3a

You may be interested in your other planting guides for Zone 3a.