Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to figure out when it's the best time to plant asparagus by referring to the USDA zone info for South Burlington.

Planting Calendar for Asparagus

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

Asparagus tend to make it in cold weather which means that you can plant them quite a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant asparagus 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 asparagus and expect a good harvest is probably September. Any later than that and your asparagus may not have a chance to fully mature. Starting your asparagus indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in South Burlington. In the coldest months of winter you can expect an average low temperature of -20°F.

It's important to remember that USDA zone info for South Burlington is not always accurate and the actual date of last frost will vary from year to year. Half of the time in South Burlington it frosts late in the year after April 15 so always be ready to cover your asparagus in the event of a late frost.

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.