One of the first steps you take when you are determining 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.

It's possible to estimate when to plant crossandra by reviewing the USDA zone info for Salem.

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 require warm weather you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant crossandra in Salem is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant crossandra and expect a good harvest is probably August. Any later than that and 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

On average the last frost is on April 15 in Salem. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Salem is not always accurate the actual date of last frost is different every year. Half of the time in Salem it frosts late in the year after April 15 so always be ready to protect your crossandra in the event of one of those late frosts.

USDA Zone Info for Salem

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Salem

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