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

One way of getting a good idea when you can plant mexican feather grass is to refer to the USDA zone info for Portola Valley.

Planting Calendar for Mexican Feather Grass

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

Mexican Feather Grass tend to make it in mild cold which tells us that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant mexican feather grass in Portola 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 mexican feather grass and expect a good harvest is probably October. You probably don't want to wait any later than that or else your mexican feather grass may not have a chance to fully mature. Starting your mexican feather grass indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Portola Valley the average date of last frost happens on January 31. It might get as low as 30°F during the coldest months of winter.

Always keep in mind that USDA zone info for Portola Valley is just an average and the actual date of last frost changes from year to year. Half of the time in Portola Valley last frost occurs after January 31 so just be sure to be ready to protect your mexican feather grass if you have one of those late frosts.

USDA Zone Info for Portola Valley

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Portola Valley

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