One of the best tools that you have as gardeners to help us estimate your 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 your area.

The earliest that you can plant tropical hibiscus in Sebastopol should be figured out by checking out the USDA zone info.

Planting Calendar for Tropical Hibiscus

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

It's probably not a good idea to plant tropical hibiscus until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant tropical hibiscus in Sebastopol 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 tropical hibiscus and expect a good harvest is probably September. Any later than that and your tropical hibiscus may not have a chance to fully mature. Starting your tropical hibiscus indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Sebastopol. In the coldest months of winter you can expect an average low temperature of 20°F.

Since the USDA zone info for Sebastopol is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Sebastopol you get surprised by a frost after February 15 be ready to protect your tropical hibiscus if you have one of those late frosts.

USDA Zone Info for Sebastopol

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Sebastopol

You may be interested in your other planting guides for Sebastopol.