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

The earliest that you can plant yarrow in Scarsdale can be figured out by using 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.

You can plant yarrow much earlier in the year because they are very cold tolerant.

The earliest that you can plant yarrow in Scarsdale 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 grow to maturity. If you are starting your yarrow indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Scarsdale. You can expect an average low temperature of 0°F in the coldest months of winter.

Always keep in mind that USDA zone info for Scarsdale is just an average and the actual date of last frost changes from year to year. Half of the time in Scarsdale last frost occurs 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 Scarsdale

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 Low	0°F
Highest Expected Low	5°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 Scarsdale

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