One of the best tools that you have as gardeners to help us determine 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.

In Zone 1b you can determine when it's the best time to plant matricaria by checking out the USDA zone info.

Planting Calendar for Matricaria

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

Matricaria tend to make it in a little bit of cold which tells us that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant matricaria in Zone 1b is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant matricaria and expect a good harvest is probably July. If you wait any later than that and your matricaria may not have a chance to really do well. You can get started a couple of weeks earlier by starting your matricaria indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on June 15 in Zone 1b. It might get as low as -55°F during the coldest months of winter.

Since the USDA zone info for Zone 1b is an average the actual date of last frost is different every year. Since half of the time in Zone 1b you get surprised by a frost after June 15 be ready to protect your matricaria in the event of one of those late frosts.

USDA Zone Info for Zone 1b

Here is the info for USDA Zone 1b.

Average Date of Last Frost (spring)	June 15
Average Date of First Frost (fall)	July 15
Lowest Expected Low	-55°F
Highest Expected Low	-50°F

This means that on a really cold year, the coldest it will get is -55°F. On most years you should be prepared to experience lows near -50°F.

Plants to Grow in Zone 1b

You may be interested in your other planting guides for Zone 1b.