One of the first steps you take when you are figuring out 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.

A way of getting a good idea when to plant crossandra is to use the USDA zone info for Harrington Park.

Planting Calendar for Crossandra

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

Since crossandra are not cold tolerant it's important to wait until after the last frost before you can plant them.

The earliest that you can plant crossandra in Harrington Park 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. If you are starting your crossandra indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Harrington Park the average date of last frost happens on April 15. It might get as low as 0°F during the coldest months of winter.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Harrington Park and it can change quite a bit from year to year. Since half of the time in Harrington Park it frosts late in the year after April 15 be ready to cover your crossandra in the event of a surprise late frost.

USDA Zone Info for Harrington Park

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 Harrington Park

You may be interested in your other planting guides for Harrington Park.