One of the first steps you take when you are getting a good idea 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.

By using the USDA zone info for American Canyon it's a good idea to figure out when it's possible to plant crossandra.

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 you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant crossandra in American Canyon 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 crossandra and expect a good harvest is probably September. If you wait any later than that and your crossandra may not have a chance to really do well. Starting your crossandra indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in American Canyon. In the coldest months of winter you should expect an average low temperature of 25°F.

Just be sure to remember that USDA zone info for American Canyon is not always accurate and the actual date of last frost changes from year to year. Half of the time in American Canyon you get a frost after February 15 so make sure that you are prepared to protect your crossandra in the event of a surprise late frost.

USDA Zone Info for American Canyon

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 Low	25°F
Highest Expected Low	30°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 American Canyon

You may be interested in your other planting guides for American Canyon.