One of the best tools that you have as gardeners to help us determine 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 using the USDA zone info for Somerville it's possible to estimate when it's possible to plant shallots.

Planting Calendar for Shallots

Frost tolerance for shallots:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since shallots are one of those plants that can tolerate a tiny bit of cold weather you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant shallots in Somerville 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 shallots and expect a good harvest is probably August. You probably don't want to wait any later than that or else your shallots may not have a chance to really do well. Starting your shallots indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Somerville may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Somerville last frost occurs after April 15 be ready to cover your shallots in the event of one of those late frosts.

USDA Zone Info for Somerville

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 Somerville

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