When can I plant Pampas Grass in Zone 12b

The USDA Zone info is a great tool for gardeners to help us figure out our gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

The first chance to plant pampas grass in Zone 12b should be estimated by reviewing the USDA zone info.


Planting Calendar for Pampas Grass

Frost tolerance for pampas grass: Not tolerant of frost.
When you should plant them: After the last frost when the weather gets warmer.

It's a bad idea to plant pampas grass until after the last frost has passed because they require warm weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant pampas grass
Possibly ok, but a risky time to plant pampas grass
Probably not a good time to plant pampas grass

The earliest that you can plant pampas grass 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 pampas grass and expect a good harvest is probably November. You probably don't want to wait any later than that or else your pampas grass may not have a chance to really do well. Starting your pampas grass indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Zone 12b it never frosts. We should 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 is not always accurate 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 cover your pampas grass in the event of a 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.