When to Plant Crassula in Harrisburg, 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 zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Harrisburg you can determine when it's possible to plant crassula by looking at the USDA zone info.


Planting Calendar for Crassula

Frost tolerance for crassula: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

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

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant crassula
Possibly ok, but a risky time to plant crassula
Probably not a good time to plant crassula

The earliest that you can plant crassula in Harrisburg 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 crassula and expect a good harvest is probably August. Any later than that and your crassula may not have a chance to really do well. If you are starting your crassula indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Harrisburg. You should expect an average low temperature of 0°F in the coldest months of winter.

It's important to remember that USDA zone info for Harrisburg 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 Harrisburg it frosts late in the year after April 15 so make sure that you are prepared to protect your crassula if you have one of those late frosts.

USDA Zone Info for Harrisburg

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 Low0°F
Highest Expected Low5°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 Harrisburg

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