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.

You will be able to estimate when to plant pumpkins by checking out the USDA zone info for Cambridge.

Planting Calendar for Pumpkins

Frost tolerance for pumpkins:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Pumpkins require warm weather which tells us that you need to wait until it warms up after all chance of frost has passed before you can plant them.

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

The last month that you can plant pumpkins and expect a good harvest is probably August. You probably don't want to wait any later than that or else your pumpkins may not have a chance to really do well. You can get started a little bit earlier by starting your pumpkins indoors.

Last Frost Date

The average date of last frost is April 15 in Cambridge. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Cambridge may not be accurate from year to year the actual date of last frost is different every 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 pumpkins in the event of a late frost.

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.