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

The USDA zone info for Cambridge can be looked at to estimate when it's the best time to plant beets.

Planting Calendar for Beets

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

Beets can survive in moderate cold which tells us that you can plant them a little earlier in the year than other plants that might not handle the cold.

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

Last Frost Date

In Cambridge 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.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Cambridge and it is different every year. Since half of the time in Cambridge you get a frost after April 15 be ready to cover your beets if you have one of those late frosts.

USDA Zone Info for Cambridge

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 Cambridge

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