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

You will be able to determine when it's the best time to plant matricaria by checking out the USDA zone info for Tomah.

Planting Calendar for Matricaria

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

Matricaria are moderately cold tolerant which tells us that you can start planting them earlier than other frost tender plants.

The earliest that you can plant matricaria in Tomah 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 really do well. You can get started a little bit earlier by starting your matricaria indoors.

Last Frost Date

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

Since the USDA zone info for Tomah is an average the actual date of last frost will vary from year to year. Half of the time in Tomah you get a frost after May 15 so make sure that you are ready to protect your matricaria in the event of one of those late frosts.

USDA Zone Info for Tomah

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 Tomah

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