When to Plant Crossandra in Sunbury, PA

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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.

You can determine when it's the best time to plant crossandra in Sunbury by checking out the USDA zone info.


Planting Calendar for Crossandra

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

Crossandra are not cold tolerant which tells us that you really should wait until it warms up after the last frost when the weather gets warmer 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 Sunbury 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. You can get started a couple of weeks earlier by starting your crossandra indoors.

Last Frost Date

On average the last frost is on April 15 in Sunbury. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Sunbury may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Sunbury it frosts late in the year after April 15 be ready to cover your crossandra if you have a surprise late frost.

USDA Zone Info for Sunbury

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 Sunbury

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