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.

You will be able to determine when you can plant welsh onion by referring to the USDA zone info for Elizabethtown.

Planting Calendar for Welsh onion

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

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

The earliest that you can plant welsh onion in Elizabethtown 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 welsh onion and expect a good harvest is probably August. Any later than that and your welsh onion may not have a chance to really do well. If you are starting your welsh onion indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Elizabethtown. You should expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Elizabethtown is an average the actual date of last frost changes from year to year. Half of the time in Elizabethtown last frost occurs after April 15 so make sure that you are prepared to cover your welsh onion in the event of one of those late frosts.

USDA Zone Info for Elizabethtown

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 Elizabethtown

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