Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Payette you can estimate when it's a good idea to plant rhubarb by using 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.

You can plant rhubarb a little bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant rhubarb in Payette 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. Any later than that and your rhubarb may not have a chance to grow to maturity. Starting your rhubarb indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Payette. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Payette is not always accurate the actual date of last frost is different every year. Half of the time in Payette it frosts late in the year after April 15 so make sure that you are ready to cover your rhubarb if you have one of those late frosts.

USDA Zone Info for Payette

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Payette

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