The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when it's the best time to plant alternanthera in Essex Junction by looking at the USDA zone info.

Planting Calendar for Alternanthera

Frost tolerance for alternanthera:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's not a good idea to plant alternanthera until after all chance of frost has passed because they require warm weather.

The earliest that you can plant alternanthera in Essex Junction is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant alternanthera and expect a good harvest is probably August. Any later than that and your alternanthera may not have a chance to grow to maturity. Starting your alternanthera indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Essex Junction. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Essex Junction is an average the actual date of last frost changes from year to year. Half of the time in Essex Junction you get surprised by a frost after May 15 so make sure that you are prepared to cover your alternanthera in the event of a surprise late frost.

USDA Zone Info for Essex Junction

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Essex Junction

You may be interested in your other planting guides for Essex Junction.