The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Crookston can be read to figure out when you can plant matricaria.

Planting Calendar for Matricaria

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

Matricaria do well in a little bit of cold which means that you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant matricaria in Crookston 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. You probably don't want to wait any later than that or else your matricaria may not have a chance to fully mature. Starting your matricaria indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Crookston. You can expect an average low temperature of -30°F in the coldest months of winter.

Always keep in mind that USDA zone info for Crookston may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Crookston you get surprised by a frost after May 15 be ready to protect your matricaria if you have a late frost.

USDA Zone Info for Crookston

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Crookston

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