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.

In Harlan you can determine when it's possible to plant matricaria by looking at 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 do well in moderate cold which means that you can plant them earlier than other plants that might not handle the cold.

The earliest that you can plant matricaria in Harlan is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant matricaria and expect a good harvest is probably September. You probably don't want to wait any later than that or else your matricaria may not have a chance to really do well. You can get started a few weeks earlier by starting your matricaria indoors.

Last Frost Date

In Harlan the average date of last frost happens on April 15. You should expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Harlan is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Harlan you get surprised by a frost after April 15 so be sure to be ready to protect your matricaria if you have a surprise late frost.

USDA Zone Info for Harlan

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Harlan

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