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.

A way of getting a good idea when it's possible to plant artichokes is to examine the USDA zone info for Richland Center.

Planting Calendar for Artichokes

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

You can plant artichokes a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant artichokes in Richland Center 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. If you wait any later than that and 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 couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Richland Center. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Richland Center is just an average the actual date of last frost is different every year. Half of the time in Richland Center you get surprised by a frost after May 15 so just be sure to be ready to cover your artichokes if you have a late frost.

USDA Zone Info for Richland Center

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Richland Center

You may be interested in your other planting guides for Richland Center.