One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of figuring out when it's the best time to plant coreopsis is to examine the USDA zone info for Scotts Valley.

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 moderate cold which tells us that you can start planting them earlier than other frost tender plants.

The earliest that you can plant coreopsis in Scotts Valley is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant coreopsis and expect a good harvest is probably October. If you wait any later than that and your coreopsis may not have a chance to really do well. You can get started a couple of weeks earlier by starting your coreopsis indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Scotts Valley. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Scotts Valley may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Scotts Valley it frosts late in the year after February 15 be ready to protect your coreopsis in the event of a surprise late frost.

USDA Zone Info for Scotts Valley

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Scotts Valley

You may be interested in your other planting guides for Scotts Valley.