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

A common way of making a decision about when it's the best time to plant achillea is to look at the USDA zone info for Waynesboro.

Planting Calendar for Achillea

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

Achillea are very cold tolerant which tells us that you can plant them much earlier than other frost tender plants.

The earliest that you can plant achillea in Waynesboro 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. If you are starting your achillea indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Waynesboro. In the coldest months of winter you can expect an average low temperature of 10°F.

Since the USDA zone info for Waynesboro is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Waynesboro you get a frost after March 15 be ready to cover your achillea in the event of one of those late frosts.

USDA Zone Info for Waynesboro

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

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

Plants to Grow in Waynesboro

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