When can I plant Achillea in Zone 7b

The USDA Zone info is a great tool for gardeners to help us figure out our gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

A way of getting a good idea when it's the best time to plant achillea is to consult the USDA zone info for Zone 7b.


Planting Calendar for Achillea

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

You can plant achillea much 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 Zone 7b 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. If you wait any later than that and your achillea may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your achillea indoors.

Last Frost Date

In Zone 7b the average date of last frost happens on April 15. In the coldest months of winter we can expect an average low temperature of 5°F.

Since the USDA zone info for Zone 7b is just an average our actual date of last frost changes from year to year. Since half of the time in Zone 7b we get a frost after April 15 be ready to protect your achillea if we have a surprise late frost.

USDA Zone Info for Zone 7b

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low5°F
Highest Expected Low10°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 10°F.

Plants to Grow in Zone 7b

You may be interested in our other planting guides for Zone 7b.