One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Amherst should be reffered to in order to determine when it's the best time to plant torenia.

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 all chance of frost has passed because they require warm weather.

The earliest that you can plant torenia in Amherst 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. You probably don't want to wait any later than that or else your torenia may not have a chance to really do well. You can get started a couple of weeks earlier by starting your torenia indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Amherst 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 Amherst last frost occurs after April 15 so make sure that you are prepared to protect your torenia in the event of one of those late frosts.

USDA Zone Info for Amherst

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 Amherst

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