One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Melrose you can determine when it's possible to plant torenia by checking out the USDA zone info.

Planting Calendar for Torenia

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

Since torenia do not do well in cold weather it's necessary to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant torenia in Melrose 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 fully mature. You can get started a couple of weeks earlier by starting your torenia indoors.

Last Frost Date

The average date of last frost is April 15 in Melrose. You can expect an average low temperature of -5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Melrose is not always accurate and the actual date of last frost is different every year. Since half of the time in Melrose last frost occurs after April 15 be ready to protect your torenia in the event of one of those late frosts.

USDA Zone Info for Melrose

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 Melrose

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