When to Plant Achillea in Pittsfield, IL

One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to estimate when to plant achillea by checking out the USDA zone info for Pittsfield.


Planting Calendar for Achillea

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

You can plant achillea earlier in the year because they do well in cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant achillea
Possibly ok, but a risky time to plant achillea
Probably not a good time to plant achillea

The earliest that you can plant achillea in Pittsfield 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 couple of weeks earlier by starting your achillea indoors.

Last Frost Date

In Pittsfield the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -15°F.

It's important to remember that USDA zone info for Pittsfield is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Pittsfield last frost occurs after April 15 so make sure that you are prepared to protect your achillea if you have one of those late frosts.

USDA Zone Info for Pittsfield

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

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

Plants to Grow in Pittsfield

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