One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Fort Madison you can figure out when it's a good idea to plant scallions by checking out the USDA zone info.

Planting Calendar for Scallions

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

Since scallions do ok in moderate cold you can plant them slightly earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant scallions in Fort Madison 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 scallions and expect a good harvest is probably August. If you wait any later than that and your scallions may not have a chance to fully mature. Starting your scallions 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 Fort Madison. It might get as low as -15°F during the coldest months of winter.

It's important to remember that USDA zone info for Fort Madison may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Fort Madison it frosts late in the year after April 15 so just be sure to be ready to protect your scallions in the event of a late frost.

USDA Zone Info for Fort Madison

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Fort Madison

You may be interested in your other planting guides for Fort Madison.