When can I plant Pennisetum in Zone 11a

One of the best tools that we have as gardeners to help us figure out our gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

You will be able to estimate when you can plant pennisetum by referring to the USDA zone info for Zone 11a.


Planting Calendar for Pennisetum

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

Since pennisetum are barely cold tolerant you can plant them a bit earlier in the year than more sensitive plants.

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

The earliest that you can plant pennisetum in Zone 11a 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 pennisetum and expect a good harvest is probably November. Any later than that and your pennisetum may not have a chance to fully mature. You can get started a little bit earlier by starting your pennisetum indoors.

Last Frost Date

In Zone 11a it never frosts. In the coldest months of winter we can expect an average low temperature of 40°F.

Always keep in mind that our actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Zone 11a and it is different every year. Since it never frosts in Zone 11a you do not have to be ready to cover your pennisetum if we have a late frost.

USDA Zone Info for Zone 11a

Here is the info for USDA Zone 11a.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low40°F
Highest Expected Low45°F

This means that on a really cold year, the coldest it will get is 40°F. On most years you should be prepared to experience lows near 45°F.

Plants to Grow in Zone 11a

You may be interested in our other planting guides for Zone 11a.