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 possible to figure out when you can plant violas by reviewing the USDA zone info for South Burlington.

Planting Calendar for Violas

Frost tolerance for violas:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Violas can survive in pretty solid cold which means that you can plant them much earlier in the year than more sensitive plants.

The earliest that you can plant violas in South Burlington is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant violas and expect a good harvest is probably September. Any later than that and your violas may not have a chance to fully mature. You can get started a little bit earlier by starting your violas indoors.

Last Frost Date

In South Burlington the average date of last frost happens on April 15. You should expect an average low temperature of -20°F in the coldest months of winter.

It's important to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for South Burlington and it changes from year to year. Since half of the time in South Burlington it frosts late in the year after April 15 be ready to protect your violas in the event of one of those late frosts.

USDA Zone Info for South Burlington

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in South Burlington

You may be interested in your other planting guides for South Burlington.