One of the first steps you take when you are figuring out 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 Barre you can estimate when it's a good idea to plant rhubarb by checking out the USDA zone info.

Planting Calendar for Rhubarb

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

Rhubarb tend to make it in moderate cold which tells us that you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant rhubarb in Barre is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant rhubarb and expect a good harvest is probably August. Any later than that and your rhubarb may not have a chance to really do well. You can get started a couple of weeks earlier by starting your rhubarb indoors.

Last Frost Date

On average the last frost is on May 15 in Barre. It might get as low as -25°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Barre and it changes from year to year. Half of the time in Barre it frosts late in the year after May 15 so just be sure to be ready to cover your rhubarb 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.