When to Plant Hibiscus in San Anselmo, CA

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

It's a good idea to figure out when it's a good idea to plant hibiscus by reviewing the USDA zone info for San Anselmo.


Planting Calendar for Hibiscus

Frost tolerance for hibiscus: Not tolerant of frost.
When to plant: After the last frost.

Since hibiscus do not do well in cold weather it's important to wait until after all chance of frost has passed before you can plant them.

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

The earliest that you can plant hibiscus in San Anselmo is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant hibiscus and expect a good harvest is probably September. You probably don't want to wait any later than that or else your hibiscus may not have a chance to fully mature. You can get started a little bit earlier by starting your hibiscus indoors.

Last Frost Date

The average date of last frost is February 15 in San Anselmo. You can expect an average low temperature of 25°F in the coldest months of winter.

Just be sure to remember that USDA zone info for San Anselmo is just an average and the actual date of last frost is different every year. Half of the time in San Anselmo you get surprised by a frost after February 15 so just be sure to be ready to protect your hibiscus if you have a surprise late frost.

USDA Zone Info for San Anselmo

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in San Anselmo

You may be interested in your other planting guides for San Anselmo.