Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to estimate when it's a good idea to plant crossandra by using the USDA zone info for Colusa.

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 is important 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 Colusa 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. Any later than that and your crossandra may not have a chance to really do well. You can get started a few weeks earlier by starting your crossandra indoors.

Last Frost Date

The average date of last frost is February 15 in Colusa. It might get as low as 25°F during the coldest months of winter.

It's important to remember that USDA zone info for Colusa is just an average and the actual date of last frost is different every year. Since half of the time in Colusa last frost occurs after February 15 be ready to protect your crossandra if you have one of those late frosts.

USDA Zone Info for Colusa

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 Colusa

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