Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Lock Haven it's a good idea to figure out when it's a good idea to plant crossandra.

Planting Calendar for Crossandra

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

Crossandra do not do well in cold weather which means that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant crossandra in Lock Haven 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. You probably don't want to wait any later than that or else your crossandra may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your crossandra indoors.

Last Frost Date

In Lock Haven the average date of last frost happens on April 15. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Lock Haven is just an average the actual date of last frost will vary from year to year. Half of the time in Lock Haven it frosts late in the year after April 15 so make sure that you are prepared to cover your crossandra in the event of one of those late frosts.

USDA Zone Info for Lock Haven

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 Low	0°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 Lock Haven

You may be interested in your other planting guides for Lock Haven.