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.

In Carmel you can estimate when it's the best time to plant yarrow by looking at 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.

Since yarrow do well in cold you can plant them much earlier in the year than more sensitive plants.

The earliest that you can plant yarrow in Carmel 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. If you wait any later than that and your yarrow may not have a chance to really do well. 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 Carmel. You can expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Carmel is just an average and the actual date of last frost is different every year. Half of the time in Carmel there is a last frost after April 15 so make sure that you are ready to cover your yarrow in the event of a surprise late frost.

USDA Zone Info for Carmel

Here is the info for USDA Zone 5b.

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

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

Plants to Grow in Carmel

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