The leaves of the plant may turn into a faded green color or they may develop brown spots on the leaves, sometimes called sunspots. Some pertinent facts include: a. it's very hot here now b. I am watering every day. Other reasons may involve things like inadequate soil moisture, excessive fertilizer application, poor quality saline water, or light and shallow watering. During dry spells, apply sufficient water so that the soils are well-moistened, but not waterlogged. Both Lobelia and Lithodora have masses of tiny flowers that provide quite a show of blue. Spider plants, tropical plants, and those with long, strappy leaves are especially susceptible.The main difficulty when confronting leaf-tip burn is to remember that it's a symptom of a larger problem (usually a cultural issue) as opposed to a condition in itself. An aloe vera plant that is getting sunburned will start turning red or brown, starting at the tips due to inhibition of photosynthesis. If you see yellowing leaves and soft and limp plant, this could be one of the signs of overwatering. Try to bring plants into a shadier location, or out of the afternoon sun, if they are in a container. In fact, too much watering can cause stem rot. If your avocado leaves are turning brown because of salt accumulation, the reason is usually caused by irrigation. So I ripped it all out. Well, it grew back! The plant tissues may die in these conditions. Eyespot disease : Brown leaves can be an indication that a window leaf is suffering from a fungal infection called eyespot disease ( Spilocaea oleagina ). Actually, there are a number of diseases that can cause your plant to turn brown. Leaf-tip browning is an annoying condition that commonly affects certain types of houseplants. Monstera turning brown could be a symptom of a disease. 51. It is normal for older, inner leaves to turn brown and die as they age. Young plants and seedlings will need regular watering. Lobelia can brown out when temperatures are hot and it has been underwatered. In our first Summer, most of the Lithodora looked like it had turned dark brown and died. Every second or third year, you can prune the plant hard, removing foliage almost to the wood. Avoid applying water on the blossoms as it will cause them to become waterlogged, soft, brown and mushy. Why did my lobelia turn brown over the summer? The yarrow plant is very drought-tolerant and does not need to be watered regularly. Saved by Gardening Know How. Although not necessary, you can deadhead lobelia plants to maintain a neat appearance. Lobelia plants make beautiful additions to the garden with their unusual flowers and bright colors, but problems with lobelia can result in brown lobelia plants. Hi, My lobelia is drying up and dying off. Lobelia Browning: Why Lobelia Plants Turn Brown. To save the plant, you’ll need to learn about the signs of overwatering.Usually, the symptoms of excess watering are similar to underwatering, but you can easily observe that you were overwatering by checking out the soil and drainage. Is it dead? Ensure that the soil is dry before you water again. Lobelia should delight your garden with beautiful blooms about mid-summer, continuing on up to the first frost. The calyx is adherent, with a globular ribbed tube and five slender, linear, sub equal, erect teeth, which are nearly as long as the corolla. Watering can sometimes stimulate new growth. Step 5 Fertilize the Euryops with an all-purpose fertilizer each spring. Why is my lobelia turning brown? This article can help with that. Only water if the soil is dry or if the plant appears wilting or brown, due to insufficient water. Your garden with beautiful blooms about mid-summer, continuing on up to the wood dry before water... 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