The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of getting a good idea when it's the best time to plant torenia is to examine the USDA zone info for Medford.

Planting Calendar for Torenia

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

It's probably not a good idea to plant torenia until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant torenia in Medford 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 few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Medford. In the coldest months of winter you can expect an average low temperature of -5°F.

Just be sure to remember that USDA zone info for Medford 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 Medford last frost occurs after April 15 so always be ready to cover your torenia in the event of one of those late frosts.

USDA Zone Info for Medford

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 Low	0°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 Medford

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