When to Plant Shallots in Sheldon, IA

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant shallots in Sheldon can be determined by referring to the USDA zone info.


Planting Calendar for Shallots

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

You can plant shallots a bit earlier in the year because they are barely cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant shallots
Possibly ok, but a risky time to plant shallots
Probably not a good time to plant shallots

The earliest that you can plant shallots in Sheldon is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant shallots and expect a good harvest is probably August. Any later than that and your shallots may not have a chance to grow to maturity. You can get started a little bit earlier by starting your shallots indoors.

Last Frost Date

The average date of last frost is May 15 in Sheldon. You can expect an average low temperature of -25°F in the coldest months of winter.

Since the USDA zone info for Sheldon is an average the actual date of last frost is different every year. Half of the time in Sheldon there is a last frost after May 15 so be sure to be ready to protect your shallots in the event of a late frost.

USDA Zone Info for Sheldon

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

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

Plants to Grow in Sheldon

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