One of the first steps you take when you are determining 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.

In Savoy you can estimate when it's a good idea 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 do well in cold you can plant them earlier in the year than more sensitive plants.

The earliest that you can plant yarrow in Savoy 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. You probably don't want to wait any later than that or else your yarrow may not have a chance to really do well. You can get started a little bit earlier by starting your yarrow indoors.

Last Frost Date

The average date of last frost is April 15 in Savoy. It might get as low as -15°F during the coldest months of winter.

It's important to remember that USDA zone info for Savoy may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Savoy there is a last frost after April 15 so make sure that you are prepared to cover your yarrow if you have a surprise late frost.

USDA Zone Info for Savoy

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 Savoy

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