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

The USDA zone info for Warrenton can be used to determine when it's a good idea to 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 tend to make it in some cold which tells us that you can plant them just a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant matricaria in Warrenton 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. Any later than that and your matricaria may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your matricaria indoors.

Last Frost Date

The average date of last frost is April 15 in Warrenton. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Warrenton is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Warrenton it frosts late in the year after April 15 so just be sure to be ready to protect your matricaria in the event of a surprise late frost.

USDA Zone Info for Warrenton

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Warrenton

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