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.

One way of determining when to plant fiber optic grass is to examine the USDA zone info for Zone 9b.

Planting Calendar for Fiber Optic Grass

Frost tolerance for fiber optic grass:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Fiber Optic Grass are not cold tolerant which means that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant fiber optic grass in Zone 9b 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. You probably don't want to wait any later than that or else your fiber optic grass may not have a chance to really do well. You can get started a few weeks earlier by starting your fiber optic grass indoors.

Last Frost Date

The average date of last frost is February 15 in Zone 9b. In the coldest months of winter you can expect an average low temperature of 25°F.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Zone 9b and it can change quite a bit from year to year. Since half of the time in Zone 9b you get surprised by a frost after February 15 be ready to cover your fiber optic grass in the event of a late frost.

USDA Zone Info for Zone 9b

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 Zone 9b

You may be interested in your other planting guides for Zone 9b.