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When to Plant Iceberg lettuce in Vermillion, SD

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant iceberg lettuce in Vermillion can be figured out by looking at the USDA zone info.


Planting Calendar for Iceberg lettuce

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

Iceberg lettuce are one of those plants that can tolerate a tiny bit of cold weather which tells us that you can plant them slightly earlier than other frost tender plants.

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

The earliest that you can plant iceberg lettuce in Vermillion 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 iceberg lettuce and expect a good harvest is probably August. Any later than that and your iceberg lettuce may not have a chance to fully mature. If you are starting your iceberg lettuce indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Vermillion the average date of last frost happens on April 15. You can expect an average low temperature of -20°F in the coldest months of winter.

Always keep in mind that USDA zone info for Vermillion is just an average and the actual date of last frost is different every year. Half of the time in Vermillion last frost occurs after April 15 so make sure that you are prepared to protect your iceberg lettuce if you have a late frost.

USDA Zone Info for Vermillion

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°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 -15°F.

Plants to Grow in Vermillion

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