Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Walnut you can figure out when it's the best time to plant fiber optic grass by referring to 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.

Fiber Optic Grass require warm weather which tells us that it is 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 Walnut 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 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 grow to maturity. You can get started a little bit earlier by starting your fiber optic grass indoors.

Last Frost Date

The average date of last frost is January 31 in Walnut. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Walnut is just an average the actual date of last frost changes from year to year. Half of the time in Walnut last frost occurs after January 31 so always be ready to protect your fiber optic grass if you have a late frost.

USDA Zone Info for Walnut

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 Walnut

You may be interested in your other planting guides for Walnut.