When can I plant Yarrow in Zone 7b

Before planting it is a good idea to find our USDA Zone info to figure out our garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

By referring to the USDA zone info for Zone 7b it's a good idea to determine when it's a good idea to plant yarrow.


Planting Calendar for Yarrow

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

Yarrow are one of those plants that can tolerate quite a bit of cold weather which tells us that you can plant them a quite a bit earlier than plants that are more sensitive to the cold.

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

The earliest that you can plant yarrow 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 yarrow and expect a good harvest is probably September. Any later than that and your yarrow may not have a chance to really do well. You can get started a couple of weeks earlier by starting your yarrow indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Zone 7b. In the coldest months of winter we should expect an average low temperature of 5°F.

It's important to remember that our actual date of last frost is not always accurate because it is based on the USDA zone info for Zone 7b and it will vary from year to year. Since half of the time in Zone 7b it frosts late in the year after April 15 be ready to protect your yarrow in the event of one of those late frosts.

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.