One of the best tools that you have as gardeners to help us figure out 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 first opportunity to plant tree onions in Fultondale should be estimated by referring to the USDA zone info.

Planting Calendar for Tree onions

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

Tree onions do ok in very little cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant tree onions in Fultondale 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 tree onions and expect a good harvest is probably August. Any later than that and your tree onions may not have a chance to grow to maturity. Starting your tree onions indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Since the USDA zone info for Fultondale may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Fultondale there is a last frost after April 15 so always be ready to protect your tree onions in the event of a late frost.

USDA Zone Info for Fultondale

Here is the info for USDA Zone 7b.

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

Plants to Grow in Fultondale

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