One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By looking at the USDA zone info for Cambridge it's a good idea to determine 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.

Since beets are moderately cold tolerant you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant beets in Cambridge is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant beets and expect a good harvest is probably August. Any later than that and your beets may not have a chance to really do well. You can get started a few weeks earlier by starting your beets indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Cambridge. It might get as low as -30°F during the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Cambridge and it can change quite a bit from year to year. Since half of the time in Cambridge you get a frost after May 15 be ready to cover your beets in the event of a surprise late frost.

USDA Zone Info for Cambridge

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Cambridge

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