When to Plant Kale in Nashua, NH

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant kale in Nashua can be estimated by reviewing the USDA zone info.


Planting Calendar for Kale

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

Kale do well in moderate cold which means that you can start planting them earlier than other frost tender plants.

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

The earliest that you can plant kale in Nashua 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 kale and expect a good harvest is probably September. You probably don't want to wait any later than that or else your kale may not have a chance to grow to maturity. If you are starting your kale indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Nashua is not always accurate the actual date of last frost will vary from year to year. Half of the time in Nashua it frosts late in the year after April 15 so make sure that you are ready to protect your kale in the event of a late frost.

USDA Zone Info for Nashua

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 Nashua

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