When can I plant Crossandra in Zone 1b

The USDA Zone info is a great tool for gardeners to help us estimate our gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

The USDA zone info for Zone 1b can be reffered to in order to estimate when you can plant crossandra.


Planting Calendar for Crossandra

Frost tolerance for crossandra: Not tolerant of frost.
When you should plant them: After all chance of frost has passed.

Crossandra are not cold tolerant which tells us that you need to wait until it warms up after all chance of frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant crossandra
Possibly ok, but a risky time to plant crossandra
Probably not a good time to plant crossandra

The earliest that you can plant crossandra in Zone 1b is June. However, you really should wait until July if you don't want to take any chances.

The last month that you can plant crossandra and expect a good harvest is probably July. If you wait any later than that and your crossandra may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your crossandra indoors.

Last Frost Date

The average date of last frost is June 15 in Zone 1b. In the coldest months of winter we should expect an average low temperature of -55°F.

Keep in mind that our actual date of last frost is not always accurate because it is based on the USDA zone info for Zone 1b and it will vary from year to year. Half of the time in Zone 1b we get a frost after June 15 so just be sure to be ready to protect your crossandra if we have a late frost.

USDA Zone Info for Zone 1b

Here is the info for USDA Zone 1b.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-55°F
Highest Expected Low-50°F

This means that on a really cold year, the coldest it will get is -55°F. On most years you should be prepared to experience lows near -50°F.

Plants to Grow in Zone 1b

You may be interested in our other planting guides for Zone 1b.