One of the first steps you take when you are estimating your gardening schedule is find your 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.

In San Leandro you can figure out when it's a good idea to plant tropical hibiscus by referring to 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 has passed.

Since tropical hibiscus require warm weather it is necessary to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant tropical hibiscus in San Leandro is February. However, you really should wait until March 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. You probably don't want to wait any later than that or else your tropical hibiscus may not have a chance to fully mature. You can get started a few weeks earlier by starting your tropical hibiscus indoors.

Last Frost Date

In San Leandro the average date of last frost happens on January 31. You can expect an average low temperature of 30°F in the coldest months of winter.

It's important to remember that USDA zone info for San Leandro may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in San Leandro there is a last frost after January 31 be ready to protect your tropical hibiscus in the event of a surprise late frost.

USDA Zone Info for San Leandro

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in San Leandro

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