The USDA Zone info is a great tool for gardeners to help us determine 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.

In Burlington you can figure out when it's a good idea to plant hemerocallis by reviewing the USDA zone info.

Planting Calendar for Hemerocallis

Frost tolerance for hemerocallis:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant hemerocallis a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant hemerocallis in 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 hemerocallis and expect a good harvest is probably September. You probably don't want to wait any later than that or else your hemerocallis may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your hemerocallis indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Burlington. In the coldest months of winter you should expect an average low temperature of -15°F.

Remember that USDA zone info for Burlington may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Burlington you get surprised by a frost after April 15 so make sure that you are prepared to protect your hemerocallis if you have a surprise late frost.

USDA Zone Info for Burlington

Here is the info for USDA Zone 5b.

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

Plants to Grow in Burlington

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