In fact all types of lettuce when they get old will have those signs of imperfections on the leaves, ribs even at the bottom of the stem.
16+ Brown Spots On Lettuce Plants. Tractors, trucks and other machinery that have internal combustion engines also give off ethylene gas and can cause plants to ripen faster and develop rust spots. If you've noticed some brown spots on lettuce you just bought, you might be wondering if it's safe to eat.
Growing Lettuce And How To Grow Lettuce In Hot Weather from www.tropicalpermaculture.com
If it is the ornamental type banana plant once it grows to about 2 feet it will lose all those beautiful spots. From leaf lettuce to romaine, lettuce is most widely planted salad green in the united states. If brown spots occur, move your plant to a brighter location or introduce additional artificial lights to give it the light it needs.
It's been raining quite a lot the past month i have a few pots of snake plants which recently starting showing some large brown spots on its leaves after having them for just over a year.
I'm posting a picture here. One of the young plants even has brown spots on its cigar leaf: Brown spot is caused by the fungusseptoria glycines and may also be called septoria leaf spot. This is a red leafed lettuce just starting to show its colors.
