The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to figure out when it's the best time to plant torenia by referring to the USDA zone info for Island Park.

Planting Calendar for Torenia

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

Since torenia require warm weather you must wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant torenia in Island Park 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. If you are starting your torenia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Island Park the average date of last frost happens on April 15. You should expect an average low temperature of 5°F in the coldest months of winter.

It's important to remember that USDA zone info for Island Park is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Island Park last frost occurs after April 15 so always be ready to cover your torenia if you have a late frost.

USDA Zone Info for Island Park

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Island Park

You may be interested in your other planting guides for Island Park.