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

In Cambridge you can estimate when you can plant kale by looking at 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.

You can plant kale a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant kale in Cambridge 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 few weeks earlier by starting your kale indoors.

Last Frost Date

On average the last frost is on April 15 in Cambridge. In the coldest months of winter you should expect an average low temperature of 5°F.

Always keep in mind that USDA zone info for Cambridge is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Cambridge you get surprised by a frost after April 15 so make sure that you are prepared to protect your kale in the event of a surprise late frost.

USDA Zone Info for Cambridge

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 Cambridge

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