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When to Plant Artichokes in Airway Heights, WA

One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Airway Heights you can estimate when it's a good idea to plant artichokes by referring to the USDA zone info.


Planting Calendar for Artichokes

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

Since artichokes are one of those plants that can tolerate a little bit of cold weather you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

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 Airway Heights 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 artichokes and expect a good harvest is probably September. You probably don't want to wait any later than that or else your artichokes may not have a chance to fully mature. If you are starting your artichokes indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Airway Heights the average date of last frost happens on April 15. It might get as low as -10°F during the coldest months of winter.

Keep in mind that USDA zone info for Airway Heights is an average and the actual date of last frost changes from year to year. Since half of the time in Airway Heights it frosts late in the year after April 15 be ready to cover your artichokes in the event of one of those late frosts.

USDA Zone Info for Airway Heights

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Airway Heights

You may be interested in your other planting guides for Airway Heights.