Treat affected plants with organic copper or sulfur fungicide.
Storing Romaine Lettuce Heads When searching for the best way to store romaine lettuce, purchase the entire head if possible.
Aphids, cutworms, leaf miners, and slugs are a few of the most prevalent pests that feed on lettuce plants.
You can use pecans, almonds, or pine nuts in place of the walnuts.
When utilizing your crisper drawer, make sure to store romaine far away from fruits.
One , from 2013, found that romaine lettuce can pull heavy metals from the soil.