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.

By reviewing the USDA zone info for Pecos it's a good idea to figure out when it's a good idea to plant yarrow.

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 earlier in the year because they are very cold tolerant.

The earliest that you can plant yarrow in Pecos 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. You can get started a couple of weeks earlier by starting your yarrow indoors.

Last Frost Date

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

Remember that USDA zone info for Pecos is an average and the actual date of last frost is different every year. Half of the time in Pecos it frosts late in the year after March 15 so always be ready to protect your yarrow in the event of one of those late frosts.

USDA Zone Info for Pecos

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 Pecos

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