One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Burlington you can estimate when it's possible to plant lisianthus by using the USDA zone info.

Planting Calendar for Lisianthus

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

You really shouldn't plant lisianthus until after the last frost because they do not do well in cold weather.

The earliest that you can plant lisianthus in Burlington 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 lisianthus and expect a good harvest is probably August. If you wait any later than that and your lisianthus may not have a chance to really do well. Starting your lisianthus 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 March 15 in Burlington. It might get as low as 15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Burlington is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Burlington it frosts late in the year after March 15 so always be ready to cover your lisianthus in the event of one of those late frosts.

USDA Zone Info for Burlington

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Burlington

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