Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. 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 determine when it's a good idea to plant crossandra by using the USDA zone info.

Planting Calendar for Crossandra

Frost tolerance for crossandra:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since crossandra are not cold tolerant it's necessary to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant crossandra 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 crossandra and expect a good harvest is probably September. Any later than that and your crossandra may not have a chance to fully mature. If you are starting your crossandra indoors then you might be able to get away with starting them a few weeks earlier.

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.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for San Leandro and it is different every year. Half of the time in San Leandro you get a frost after January 31 so always be ready to protect your crossandra if you have one of those late frosts.

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.