When to Plant Trachelium in Allentown, PA

One of the first steps you take when you are getting a good idea 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.

You can determine when to plant trachelium in Allentown by using the USDA zone info.


Planting Calendar for Trachelium

Frost tolerance for trachelium: Not tolerant of frost.
When to plant: After the last frost has passed.

You can not plant trachelium until after the last frost when the weather gets warmer because they are not cold tolerant.

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

The earliest that you can plant trachelium in Allentown 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 trachelium and expect a good harvest is probably August. Any later than that and your trachelium may not have a chance to grow to maturity. You can get started a little bit earlier by starting your trachelium indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Allentown. You can expect an average low temperature of -5°F in the coldest months of winter.

It's important to remember that USDA zone info for Allentown is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Allentown it frosts late in the year after April 15 be ready to cover your trachelium if you have one of those late frosts.

USDA Zone Info for Allentown

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 Allentown

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