The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By reviewing the USDA zone info for Butner it's possible to estimate when to plant jerusalem artichokes.

Planting Calendar for Jerusalem artichokes

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

Jerusalem artichokes tend to make it in a little bit of cold which means that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

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

Last Frost Date

The average date of last frost is April 15 in Butner. In the coldest months of winter you should expect an average low temperature of 5°F.

Keep in mind that USDA zone info for Butner is not always accurate and the actual date of last frost is different every year. Half of the time in Butner there is a last frost after April 15 so make sure that you are ready to protect your jerusalem artichokes if you have one of those late frosts.

USDA Zone Info for Butner

Here is the info for USDA Zone 7b.

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

Plants to Grow in Butner

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