The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of figuring out when it's possible to plant coreopsis is to look at the USDA zone info for Buckley.

Planting Calendar for Coreopsis

Frost tolerance for coreopsis:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Coreopsis do well in some cold which tells us that you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant coreopsis in Buckley 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 coreopsis and expect a good harvest is probably September. Any later than that and your coreopsis may not have a chance to grow to maturity. If you are starting your coreopsis indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Buckley is just an average the actual date of last frost changes from year to year. Half of the time in Buckley you get surprised by a frost after March 15 so make sure that you are ready to cover your coreopsis if you have a surprise late frost.

USDA Zone Info for Buckley

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Buckley

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