One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant tropical water plants in Barre can be estimated by looking at the USDA zone info.

Planting Calendar for Tropical Water Plants

Frost tolerance for tropical water plants:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's a bad idea to plant tropical water plants until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant tropical water plants in Barre 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 tropical water plants and expect a good harvest is probably August. If you wait any later than that and your tropical water plants may not have a chance to really do well. Starting your tropical water plants indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Barre. You should expect an average low temperature of -25°F in the coldest months of winter.

Remember that USDA zone info for Barre is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Barre there is a last frost after May 15 so just be sure to be ready to protect your tropical water plants in the event of one of those late frosts.

USDA Zone Info for Barre

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 Barre

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