When can I plant Hosta in Zone 11a

One of the first steps we take when we are figuring out our gardening schedule is find our USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

By looking at the USDA zone info for Zone 11a you will be able to figure out when it's the best time to plant hosta.


Planting Calendar for Hosta

Frost tolerance for hosta: Tolerant of some frost.
When you should plant them: Up to 5 weeks before last frost.

Hosta are moderately cold tolerant which tells us that you can plant them a little bit earlier than plants that are more sensitive to the cold.

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

The earliest that you can plant hosta 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 hosta and expect a good harvest is probably November. Any later than that and your hosta may not have a chance to really do well. Starting your hosta indoors is a great way to get them started 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 just an average because it is based on the USDA zone info for Zone 11a and it will vary from year to year. Since it never frosts in Zone 11a you do not have to be ready to protect your hosta in the event of one of those late frosts.

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.