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.

The first chance to plant xerianthemum in Cottage Grove can be estimated by looking at the USDA zone info.

Planting Calendar for Xerianthemum

Frost tolerance for xerianthemum:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

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

The earliest that you can plant xerianthemum in Cottage Grove is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant xerianthemum and expect a good harvest is probably August. You probably don't want to wait any later than that or else your xerianthemum may not have a chance to really do well. You can get started a few weeks earlier by starting your xerianthemum indoors.

Last Frost Date

The average date of last frost is May 15 in Cottage Grove. In the coldest months of winter you can expect an average low temperature of -25°F.

Keep in mind that USDA zone info for Cottage Grove may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Cottage Grove there is a last frost after May 15 so make sure that you are prepared to cover your xerianthemum if you have a late frost.

USDA Zone Info for Cottage Grove

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 Cottage Grove

You may be interested in your other planting guides for Cottage Grove.