One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of estimating when to plant matricaria is to refer to the USDA zone info for Lock Haven.

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 tells us that you can plant them just a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant matricaria in Lock Haven 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 grow to maturity. 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 April 15 in Lock Haven. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Lock Haven is an average the actual date of last frost changes from year to year. Since half of the time in Lock Haven it frosts late in the year after April 15 be ready to protect your matricaria if you have a late frost.

USDA Zone Info for Lock Haven

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Lock Haven

You may be interested in your other planting guides for Lock Haven.