One of the best tools that you have as gardeners to help us figure out 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.

It's possible to figure out when it's the best time to plant ruby grass by checking out the USDA zone info for Palo Alto.

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 do ok in moderate cold you can plant them slightly earlier in the year than other plants that might not handle the cold.

The earliest that you can plant ruby grass in Palo Alto 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 ruby grass and expect a good harvest is probably September. You probably don't want to wait any later than that or else 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

In Palo Alto the average date of last frost happens on February 15. You can expect an average low temperature of 25°F in the coldest months of winter.

Always keep in mind that USDA zone info for Palo Alto is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Palo Alto you get surprised by a frost after February 15 be ready to cover your ruby grass in the event of a surprise late frost.

USDA Zone Info for Palo Alto

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 Palo Alto

You may be interested in your other planting guides for Palo Alto.