Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant torenia in Rensselaer should be determined by referring to the USDA zone info.

Planting Calendar for Torenia

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

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

The earliest that you can plant torenia in Rensselaer 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. If you wait any later than that and your torenia may not have a chance to grow to maturity. Starting your torenia indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Rensselaer is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Rensselaer last frost occurs after April 15 so make sure that you are ready to cover your torenia in the event of one of those late frosts.

USDA Zone Info for Rensselaer

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Rensselaer

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