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.

You can determine when it's possible to plant scabiosa in Holmen by using the USDA zone info.

Planting Calendar for Scabiosa

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

You can plant scabiosa a bit 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 scabiosa 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 scabiosa and expect a good harvest is probably August. You probably don't want to wait any later than that or else your scabiosa may not have a chance to really do well. You can get started a little bit earlier by starting your scabiosa indoors.

Last Frost Date

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

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 protect your scabiosa if you have 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.