One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when it's a good idea to plant chives in Holmen by looking at the USDA zone info.

Planting Calendar for Chives

Frost tolerance for chives:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since chives are very cold tolerant you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant chives 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 chives and expect a good harvest is probably August. If you wait any later than that and your chives may not have a chance to fully mature. If you are starting your chives indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

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