The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to figure out when it's a good idea to plant welsh onion by looking at the USDA zone info for Kenner.

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 a bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant welsh onion in Kenner is February. However, you really should wait until March 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 September. You probably don't want to wait any later than that or else your welsh onion may not have a chance to fully mature. Starting your welsh onion indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Kenner. In the coldest months of winter you should expect an average low temperature of 20°F.

Always keep in mind that USDA zone info for Kenner may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Kenner it frosts late in the year after February 15 be ready to protect your welsh onion if you have one of those late frosts.

USDA Zone Info for Kenner

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Kenner

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