One of the first steps you take when you are estimating 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 Keyser you can determine when it's a good idea to plant jerusalem artichokes by referring to the USDA zone info.

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 mild cold which means that you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant jerusalem artichokes in Keyser 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. Any later than that and your jerusalem artichokes may not have a chance to grow to maturity. Starting your jerusalem artichokes indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Keyser the average date of last frost happens on April 15. You can expect an average low temperature of -5°F in the coldest months of winter.

It's important to remember that USDA zone info for Keyser is an average and the actual date of last frost is different every year. Half of the time in Keyser you get surprised by a frost after April 15 so be sure to be ready to cover your jerusalem artichokes in the event of a surprise late frost.

USDA Zone Info for Keyser

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 Keyser

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