22+ Brown Spots On Lettuce Leaves. Even low concentrations can cause problems like the weird little dots you see on the lettuce pictured here. Lettuce is particularly sensitive to ethylene gas;
Lettuce is particularly sensitive to ethylene gas; Homegrown lettuce can also turn brown on the tips out in the garden when exposed. A lot of shoppers are puzzled when a physiological disorder that may develop during postharvest transport and storage, russet spotting is particularly common in iceberg lettuce.
There are several brown spotted leaves on one of the ladies.
It thrives in cooler temperatures. Use nature's burgundies, golds and oranges in these select spots for a comforting feel no matter what the season. Now it is getting brown dead spots on some leaves and i. Hi, i have been trying to grow lettuce indoors hydroponically but i find that the leaves develop yellow edges and brown spots before i can harvest.