When can I plant Schizanthus in Zone 11a

The USDA Zone info is a great tool for gardeners to help us determine 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.

You can estimate when it's the best time to plant schizanthus in Zone 11a by checking out the USDA zone info.


Planting Calendar for Schizanthus

Frost tolerance for schizanthus: Not tolerant of frost.
When you should plant them: After the last frost.

You really shouldn't plant schizanthus until after all chance of frost has passed because they are not cold tolerant.

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

The earliest that you can plant schizanthus 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 schizanthus and expect a good harvest is probably November. You probably don't want to wait any later than that or else your schizanthus may not have a chance to really do well. If you are starting your schizanthus indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Zone 11a it never frosts. It might get as low as 40°F during the coldest months of winter.

Always keep in mind that our actual date of last frost is an average because it is based on the USDA zone info for Zone 11a and it can change quite a bit from year to year. Since it never frosts in Zone 11a you do not have to be ready to cover your schizanthus in the event of a surprise 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.