One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of getting a good idea when it's possible to plant bunching onions is to use the USDA zone info for Kent.

Planting Calendar for Bunching Onions

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

You can plant bunching onions just a tiny bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant bunching onions in Kent 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 bunching onions and expect a good harvest is probably August. You probably don't want to wait any later than that or else your bunching onions may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your bunching onions indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Kent. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Kent is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Kent last frost occurs after April 15 so make sure that you are prepared to protect your bunching onions if you have one of those late frosts.

USDA Zone Info for Kent

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Kent

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