One of the first steps you take when you are determining 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.

In Big Bear Lake you can figure out when it's possible to plant coreopsis by using the USDA zone info.

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 means that you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant coreopsis in Big Bear Lake 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 fully mature. Starting your coreopsis indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Big Bear Lake. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Big Bear Lake is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Big Bear Lake it frosts late in the year after April 15 be ready to cover your coreopsis if you have a late frost.

USDA Zone Info for Big Bear Lake

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Big Bear Lake

You may be interested in your other planting guides for Big Bear Lake.