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

It's possible to estimate when to plant ruby grass by looking at the USDA zone info for Big Bear Lake.

Planting Calendar for Ruby Grass

Frost tolerance for ruby grass:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since ruby grass are barely cold tolerant you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant ruby grass in Big Bear Lake is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant ruby grass and expect a good harvest is probably August. Any later than that and your ruby grass may not have a chance to really do well. Starting your ruby grass indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Big Bear Lake. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Big Bear Lake is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Big Bear Lake you get a frost after April 15 so be sure to be ready to protect your ruby grass in the event of a surprise 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.