When to Plant Crossandra in Florissant, MO

One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant crossandra in Florissant should be figured out by reviewing the USDA zone info.


Planting Calendar for Crossandra

Frost tolerance for crossandra: Not tolerant of frost.
When to plant: After the last frost.

Since crossandra are not cold tolerant you must wait until after the last 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 Florissant 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 really do well. Starting your crossandra indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Florissant. In the coldest months of winter you can expect an average low temperature of -5°F.

Just be sure to remember that USDA zone info for Florissant may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Florissant it frosts late in the year after April 15 so be sure to be ready to cover your crossandra in the event of a late frost.

USDA Zone Info for Florissant

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

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

Plants to Grow in Florissant

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