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

It's possible to determine when to plant rhubarb by reviewing the USDA zone info for Watervliet.

Planting Calendar for Rhubarb

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

Rhubarb are one of those plants that can tolerate a little bit of cold weather which tells us that you can start planting them earlier than more sensitive plants.

The earliest that you can plant rhubarb in Watervliet 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 rhubarb and expect a good harvest is probably September. You probably don't want to wait any later than that or else your rhubarb may not have a chance to really do well. You can get started a little bit earlier by starting your rhubarb indoors.

Last Frost Date

The average date of last frost is April 15 in Watervliet. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Watervliet is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Watervliet it frosts late in the year after April 15 be ready to cover your rhubarb if you have a late frost.

USDA Zone Info for Watervliet

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Watervliet

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