When to Plant Kohlrabi in Keene, NH

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Keene you can determine when it's a good idea to plant kohlrabi by reviewing the USDA zone info.


Planting Calendar for Kohlrabi

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

Kohlrabi do ok in mild cold which tells us that you can plant them a little earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant kohlrabi
Possibly ok, but a risky time to plant kohlrabi
Probably not a good time to plant kohlrabi

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

Last Frost Date

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

Just be sure to remember that USDA zone info for Keene is not always accurate and the actual date of last frost is different every year. Since half of the time in Keene you get surprised by a frost after April 15 be ready to cover your kohlrabi in the event of a late frost.

USDA Zone Info for Keene

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Keene

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