One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Holmen can be looked at to estimate when you can plant chard.

Planting Calendar for Chard

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

Since chard are moderately cold tolerant you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant chard in Holmen 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 chard and expect a good harvest is probably August. Any later than that and your chard may not have a chance to fully mature. You can get started a little bit earlier by starting your chard indoors.

Last Frost Date

In Holmen the average date of last frost happens on May 15. In the coldest months of winter you should expect an average low temperature of -25°F.

Since the USDA zone info for Holmen is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Holmen there is a last frost after May 15 be ready to cover your chard in the event of a late frost.

USDA Zone Info for Holmen

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 Holmen

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