One of the first steps you take when you are making a decision about your gardening schedule is find your 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.

You will be able to determine when it's the best time to plant achillea by referring to the USDA zone info for Mansfield.

Planting Calendar for Achillea

Frost tolerance for achillea:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Achillea do well in cold which tells us that you can get them planted much earlier than more sensitive plants.

The earliest that you can plant achillea in Mansfield 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 achillea and expect a good harvest is probably September. You probably don't want to wait any later than that or else your achillea may not have a chance to grow to maturity. You can get started a little bit earlier by starting your achillea indoors.

Last Frost Date

The average date of last frost is March 15 in Mansfield. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Mansfield is just an average the actual date of last frost is different every year. Half of the time in Mansfield last frost occurs after March 15 so be sure to be ready to protect your achillea if you have a surprise late frost.

USDA Zone Info for Mansfield

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Mansfield

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