One of the best tools that you have as gardeners to help us determine 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.

In Roseville you can determine when it's possible to plant crossandra by checking out 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.

Crossandra are not cold tolerant which means that you really should wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant crossandra in Roseville 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. You probably don't want to wait any later than that or else your crossandra may not have a chance to grow to maturity. Starting your crossandra indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Roseville. You can expect an average low temperature of 25°F in the coldest months of winter.

Remember that USDA zone info for Roseville is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Roseville you get a frost after February 15 be ready to cover your crossandra in the event of one of those late frosts.

USDA Zone Info for Roseville

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 Roseville

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