Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when it's a good idea to plant chamomile in Holmen by referring to the USDA zone info.

Planting Calendar for Chamomile

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

You can plant chamomile a little bit earlier in the year because they do well in moderate cold.

The earliest that you can plant chamomile 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 chamomile and expect a good harvest is probably August. Any later than that and your chamomile may not have a chance to fully mature. Starting your chamomile indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on May 15 in Holmen. You should expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Holmen is just an average the actual date of last frost will vary from year to year. Since half of the time in Holmen you get a frost after May 15 be ready to protect your chamomile if you have 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.