One of the best tools that you have as gardeners to help us estimate 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.

The USDA zone info for Suffern should be used to determine when 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 do ok in moderate cold you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant shallots in Suffern 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. Any later than that and your shallots may not have a chance to fully mature. If you are starting your shallots indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Suffern. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Suffern is just an average the actual date of last frost changes from year to year. Half of the time in Suffern you get surprised by a frost after April 15 so be sure to be ready to cover your shallots if you have one of those late frosts.

USDA Zone Info for Suffern

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 Suffern

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