When to Plant Crossandra in Plymouth, PA

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.

The best time to plant crossandra in Plymouth can be determined 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 has passed.

Since crossandra are not cold tolerant it is necessary to wait until 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 Plymouth 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 grow to maturity. You can get started a little bit earlier by starting your crossandra indoors.

Last Frost Date

On average the last frost is on April 15 in Plymouth. In the coldest months of winter you can expect an average low temperature of -10°F.

Since the USDA zone info for Plymouth may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Plymouth you get a frost after April 15 so be sure to be ready to protect your crossandra in the event of a late frost.

USDA Zone Info for Plymouth

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Plymouth

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