When to Plant Yarrow in Meridian, ID

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Meridian you can determine when it's possible to plant yarrow by referring to the USDA zone info.


Planting Calendar for Yarrow

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

Since yarrow are one of those plants that can tolerate quite a bit of cold weather you can plant them quite a bit earlier in the year than other frost tender plants.

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 Meridian 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 fully mature. Starting your yarrow indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Meridian the average date of last frost happens on April 15. You can expect an average low temperature of 0°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Meridian is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Meridian you get a frost after April 15 be ready to cover your yarrow if you have a late frost.

USDA Zone Info for Meridian

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 Low0°F
Highest Expected Low5°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 Meridian

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