The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Cottage Grove you should be able to figure out when it's possible to plant matricaria.

Planting Calendar for Matricaria

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

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

The earliest that you can plant matricaria in Cottage Grove 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 matricaria and expect a good harvest is probably August. Any later than that and your matricaria may not have a chance to grow to maturity. If you are starting your matricaria indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Cottage Grove 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 Cottage Grove is not always accurate the actual date of last frost is different every year. Half of the time in Cottage Grove you get a frost after May 15 so make sure that you are prepared to protect your matricaria if you have a surprise 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.