One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of figuring out when it's possible to plant matricaria is to examine the USDA zone info for Chaska.

Planting Calendar for Matricaria

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

Matricaria do ok in some cold which means that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant matricaria in Chaska 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. If you wait any later than that and your matricaria may not have a chance to really do well. 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 Chaska the average date of last frost happens on May 15. You should expect an average low temperature of -25°F in the coldest months of winter.

Just be sure to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Chaska and it can change quite a bit from year to year. Since half of the time in Chaska you get a frost after May 15 be ready to cover your matricaria in the event of one of those late frosts.

USDA Zone Info for Chaska

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 Chaska

You may be interested in your other planting guides for Chaska.