When can I plant Ornamental Grasses in Zone 12b

One of the best tools that we have as gardeners to help us figure out our 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 our area.

A way of getting a good idea when you can plant ornamental grasses is to check out the USDA zone info for Zone 12b.


Planting Calendar for Ornamental Grasses

Frost tolerance for ornamental grasses: Tolerant of a very small amount of frost.
When you should plant them: Up to 3 weeks before last frost.

You can plant ornamental grasses just a tiny bit earlier in the year because they are barely cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant ornamental grasses
Possibly ok, but a risky time to plant ornamental grasses
Probably not a good time to plant ornamental grasses

The earliest that you can plant ornamental grasses in Zone 12b 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 ornamental grasses and expect a good harvest is probably November. Any later than that and your ornamental grasses may not have a chance to fully mature. Starting your ornamental grasses indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Zone 12b it never frosts. We can expect an average low temperature of 55°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Zone 12b may not be accurate from year to year and our actual date of last frost changes from year to year. Since it never frosts in Zone 12b you do not have to be ready to protect your ornamental grasses if we have a surprise late frost.

USDA Zone Info for Zone 12b

Here is the info for USDA Zone 12b.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low55°F
Highest Expected Low60°F

This means that on a really cold year, the coldest it will get is 55°F. On most years you should be prepared to experience lows near 60°F.

Plants to Grow in Zone 12b

You may be interested in our other planting guides for Zone 12b.