One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of figuring out when to plant yarrow is to refer to the USDA zone info for New Brighton.

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 other plants that might not handle the cold.

The earliest that you can plant yarrow in New Brighton 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 grow to maturity. Starting your yarrow indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in New Brighton. In the coldest months of winter you should expect an average low temperature of -10°F.

Keep in mind that USDA zone info for New Brighton is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in New Brighton you get surprised by a frost after April 15 be ready to cover your yarrow if you have a late frost.

USDA Zone Info for New Brighton

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in New Brighton

You may be interested in your other planting guides for New Brighton.