One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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 San Jose you can determine when you can plant fiber optic grass by looking at the USDA zone info.

Planting Calendar for Fiber Optic Grass

Frost tolerance for fiber optic grass:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Fiber Optic Grass do not do well in cold weather which tells us that it's necessary to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant fiber optic grass in San Jose 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 fiber optic grass and expect a good harvest is probably September. Any later than that and your fiber optic grass may not have a chance to fully mature. If you are starting your fiber optic grass indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In San Jose the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for San Jose is an average the actual date of last frost will vary from year to year. Half of the time in San Jose you get a frost after February 15 so make sure that you are ready to cover your fiber optic grass if you have a surprise late frost.

USDA Zone Info for San Jose

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 San Jose

You may be interested in your other planting guides for San Jose.