The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In El Cajon you can estimate when it's a good idea to plant fiber optic grass by using 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 El Cajon 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 fully mature. Starting your fiber optic grass indoors is a great way to get them started a little bit earlier.

Last Frost Date

In El Cajon the average date of last frost happens on January 31. In the coldest months of winter you should expect an average low temperature of 30°F.

Always keep in mind that USDA zone info for El Cajon may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in El Cajon there is a last frost after January 31 so always be ready to cover your fiber optic grass in the event of a late frost.

USDA Zone Info for El Cajon

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 El Cajon

You may be interested in your other planting guides for El Cajon.