Before planting it is a good idea to find your USDA Zone info to figure out 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.

It's possible to determine when you can plant rhubarb by looking at the USDA zone info for Boone.

Planting Calendar for Rhubarb

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

Since rhubarb are moderately cold tolerant you can plant them just a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant rhubarb in Boone 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. If you wait any later than that and 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

On average the last frost has passed is on April 15 in Boone. In the coldest months of winter you can expect an average low temperature of -5°F.

Remember that USDA zone info for Boone is just an average and the actual date of last frost changes from year to year. Since half of the time in Boone there is a last frost after April 15 be ready to protect your rhubarb in the event of a late frost.

USDA Zone Info for Boone

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 Boone

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