When to Plant Kale in Zone 6b

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.

In Zone 6b you can determine when you can plant kale by referring to the USDA zone info.

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Planting Calendar for Kale

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

Since kale are one of those plants that can tolerate a little bit of cold weather you can plant them a little bit earlier in the year than more sensitive 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 Zone 6b 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. If you wait any later than that and your kale may not have a chance to really do well. You can get started a couple of weeks earlier by starting your kale indoors.

Last Frost Date

In Zone 6b the average date of last frost happens on April 15. It might get as low as -5°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Zone 6b and it can change quite a bit from year to year. Since half of the time in Zone 6b it frosts late in the year after April 15 be ready to cover your kale if you have a late frost.

USDA Zone Info for Zone 6b

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 Low0°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 Zone 6b

You may be interested in your other planting guides for Zone 6b.