The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Crookston you can estimate when to plant artichokes by reviewing 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.

Artichokes do well in a little bit of cold which means that you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant artichokes in Crookston 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. Any later than that and your artichokes may not have a chance to fully mature. You can get started a few weeks earlier by starting your artichokes indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Crookston. It might get as low as -30°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Crookston may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Crookston it frosts late in the year after May 15 so always be ready to cover your artichokes if you have one of those late frosts.

USDA Zone Info for Crookston

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Crookston

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