One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to determine when it's the best time to plant crossandra by referring to the USDA zone info for Gardner.

Planting Calendar for Crossandra

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

It's probably not a good idea to plant crossandra until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant crossandra in Gardner 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 fully mature. Starting your crossandra indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Gardner. You should expect an average low temperature of -15°F in the coldest months of winter.

It's important to remember that USDA zone info for Gardner is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Gardner there is a last frost after April 15 so make sure that you are prepared to protect your crossandra in the event of a late frost.

USDA Zone Info for Gardner

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Gardner

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