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

In De Pere you can determine when to plant artichokes by checking out 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 little bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant artichokes in De Pere 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 grow to maturity. Starting your artichokes indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in De Pere. You should expect an average low temperature of -20°F in the coldest months of winter.

Always keep in mind that USDA zone info for De Pere is just an average and the actual date of last frost is different every year. Half of the time in De Pere last frost occurs after April 15 so make sure that you are ready to protect your artichokes in the event of one of those late frosts.

USDA Zone Info for De Pere

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 De Pere

You may be interested in your other planting guides for De Pere.