One of the first steps you take when you are getting a good idea 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 determining when it's a good idea to plant yarrow is to consult the USDA zone info for Raymore.

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 Raymore 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. Starting your yarrow indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Raymore. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Raymore is an average the actual date of last frost will vary from year to year. Half of the time in Raymore you get surprised by a frost after April 15 so just be sure to be ready to cover your yarrow if you have a surprise late frost.

USDA Zone Info for Raymore

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 Raymore

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