Black Spots on My Orchid Leaf: Should I be Worried?

Black spots on orchid leaves could mean one of three things: (1) the orchid was bruised during transport or handling, (2) the leaves have had access to more sunlight then they require, or (3) bacteria has infected the leaf. Since the first two reasons are fairly easy to resolve and there’s no need to panic, this video will focus on the bacterial infection. But as a guide, brown spots can occur during rough handling, and the leaves bruised. They will recover in a month’s time. As for sunlight, move the orchid away from direct sun. Black spots on orchid leaves are a direct result of a bacterial infection caused by Acidovorax (syn. Pseudomonas), known as Bacterial Brown Spot. The spots start off as brown smudges, minuscule in size and appear waterlogged. When pressed, the leaf will ooze sappy liquid.This initial stage could be mistaken with overwatering, since the leaves can’t eliminate the excess water faster than the roots can absorb it. Water will cause blisters on the leaf, which eventually turn brownish-black. Contrary to overwatering, with Bacterial Brown Spot, the infection will appear a nasty green color, slowly fading to yellow circle-like halo around the spot, then black.Black is the final stage, when the blister sinks down into the leaf, leaving an “open pond”, or whole. If you want the full explanation of this video in writing, go to https://orchideria.com/black-spots-on-orchid-leaves/ On Orchideria.com, you can find more in-depth guides and all the access to our information, tutorials, guides, and much more... all for free!