When to Plant Torenia in Plymouth, 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.

The earliest that you can plant torenia in Plymouth can be estimated by using the USDA zone info.


Planting Calendar for Torenia

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

It's not a good idea to plant torenia until after the last frost has passed because they require warm weather.

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

The earliest that you can plant torenia 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 torenia and expect a good harvest is probably August. Any later than that and your torenia may not have a chance to really do well. You can get started a few weeks earlier by starting your torenia indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Plymouth. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Plymouth is just an average the actual date of last frost will vary from year to year. Since half of the time in Plymouth you get surprised by a frost after April 15 be ready to protect your torenia 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.