North Madison in Lake County, Ohio — The American Midwest (Great Lakes)

Lettuce

Lactuca sativa

Photographed by Craig Doda, May 2, 2026

1. Lettuce Marker

Inscription.
The Plant Plant Needs:
• 12-16 hrs of light
• Slightly acidic soil.
• Moist soil.
Threats:
• Aphids
• Slugs
• Prevent using malathion.
Growth:
• Rapidly matures in 45-75 days
• Plant seeds ¼" under soil.
Companion Plants:
• Carrots, tomatoes, cucumbers, garlic, basil

The Benefits
• High in Vitamin K
• Great for bone health
• Helps prevent blood clots

The Cultural Connection
• Ancient Egyptians consumed lettuce to help with fertility.
• The Greeks used lettuce as a sedative and served it first at dinner to help with digestion.
• Used by the Romans as a sleep aid.

Topics. This historical marker is listed in these topic lists: Agriculture • Science & Medicine.

Location. 41° 47.358′ N, 81° 4.09′ W. Marker is in North Madison, Ohio, in Lake County. It is at the intersection of Middle Ridge Road (Route 22) and Burns Road, on the right when traveling west on Middle Ridge Road. Touch for map. Marker is at or near this postal address: 6111 Middle Ridge Rd, Madison OH 44057, United States of America. Touch for directions.

Regionally, this marker is in

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Greater Cleveland,

on the Lake Erie Shore,

and in the Western Reserve.

It is also in the American Midwest

and on the Great Lakes.

Globally, it is in North America,

the Western Hemisphere,

the Western World,

and the Anglosphere.

Historically, it finds itself in what was once the Haudenosaunee (Iroquois) Confederacy,

the territory of the Mississippian Culture,

and the Northwest Territory.

Other nearby markers. At least 8 other markers are within walking distance of this marker: Savoy Spinach (here, next to this marker); Curly Kale (here, next to this marker); Green Beans (here, next to this marker); Flint Corn (here, next to this marker); Tomato (here, next to this marker); Broccoli (here, next to this marker); Beetroot (here, next to this marker); Touchon Carrot (here, next to this marker). Touch for a list and map of all markers in North Madison.

Photographed by Craig Doda, May 2, 2026

2. Lettuce Marker

Credits. This page was last revised on May 26, 2026. It was originally submitted on May 16, 2026, by Craig Doda of Napoleon, Ohio. This page has been viewed 6 times since then. Photos: 1, 2. submitted on May 16, 2026, by Craig Doda of Napoleon, Ohio. • Devry Becker Jones was the editor who published this page.