Little black bugs on pepper plant. They suck on plants, which results in silvering and mottling of the surface of the leaves. What could this be and how do I treat it? They contain all the genetic material needed to start a new plant. newtohouseplants9. Black spots on ZZ plant stems. These little black growths, called bulbils, are really aerial bulbs. Wed Jul 23, 2014 7:10 am. I saw that I had a lot of black dots (about 1/8 inch) on a few of the branches. I ended up uprooting the plants and washed them in a bucket of water to remove the rest. Is there a sticky substance around the drops or on the leaves and stems below? Chrysanthemums (Chrysanthemum morifolium, Dendranthema grandiflora), also referred to as mums, are annuals and perennials from the sunflower family. The stems look great without evidence of insects nor scales nor black spots. Are they easily smashed? Fungal Leaf Spots: Several fungi can cause leaf spots. A number of black bugs may infest mums. Do they rub off easily? sooo I took the time to actually look at the spots under a 100x and it almost looks a brownish tint in some spots black in others and seems under the surface with lil hairs growing all over the leaf stem, the plants are in full flower mode see trics starting on leaves and buds every where noticing some top fan leaves loking ugly but they are 12" from 1k un cooled But recently, I've noticed that my plant has started drooping. This will remove/kill most if not all the aphids, and also most of the black spots. The plants come in a range of sizes and bloom during late summer and fall in shades of pink, orange, purple, yellow, red or white. Or spray the whole plant with a fine mist of water from a spray bottle, let it soak for a few minutes and then wipe it off with paper towels. Okyo Manassas, VA(Zone 7b) Jun 03, 2010. Mark unread; Skip to new; Mark unread Print Skip to new. Symptoms include small, brown spots with yellowish margins on the leaves. -Kelly Answer: Are the dots moving? … Read more about controlling thrips. Spots may have a concentric ring or target pattern. Just today, I noticed black splotches all over the stems of my plant. I am new to houseplants and purchased a ZZ plant about a week ago. Watch Reply. They do not appear to have anything under them. They don't rub off, so I don't think it is an insect infestation. If you think everything checks out, then move it into your intended space. You may have to rub the spots a little bit to get them off. Small black dots (fruiting bodies of the fungi) may be visible in dead tissue. These small, slender insects are brown, black or yellow and have fringed wings. The black spots do rub off and are very small. Isolate your plant from other plants for a few days to a couple weeks. In nature, these bulbils drop to the ground and eventually grow into a flowering bulb. You may be observing insects on your house plants. The small ones remained and did not move. Today on a closer look at my Hibiscus plant. I looked under the leaves and on the stems and saw that there were tiny black dots that were in clusters along with some small black insects with wings. 11 years ago. I tried the soap water mix and about half of them (mainly the larger ones) fell off straight away. The soil was added to 24 months ago. They also leave behind black, shiny flecks of excrement. They form between the leaf and stem on tiger lilies and several other hardy lilies. I have little black dots on the underside of some of my house plants, including the stalks. Black dots on stems. If you want to be extra careful, be sure to isolate your plant for a few days from your other plants, inspecting its leaves and stems everyday. – John Petrak Aug 20 '16 at 7:33 Thrips damage fruit trees and ornamental plants. 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