Having black spots pop up on your prized plants is alarming, especially when those plants are garden centerpieces such as hydrangeas (hydrangea spp.).
20+ Black Spots On Hydrangea Stems. What i wonder most is what potting mix it is growing in, it looks an unusual colour, possibly rather dense, and the potting mix comes almost to the top of the pot. Here is a way to support floppy hydrangea stems on an annabelle or other large flowered shrubs.
Black Spots On Hydrangea Ask An Expert from ask.extension.org
Black spot , also spelled blackspot , common disease of a variety of plants caused by species of pseudomonas bacteria or by any number of fungus infections occur during damp periods and appear as round to irregular black spots on leaves and sometimes on petioles, stems, and flower parts of. Trim the oldest and largest stems to the base each spring and after. Hydrangea pests and diseases aren't usually too prevalent, but when that glorious flower show is interrupted, it's tough not to panic.
Not only does it make the plant look unsightly, but it also causes the leaves to drop prematurely.
But the jalapenos in particular seem covered with blackness/leaf spots. To keep fungal spores from spreading, also remove. Black spot , also spelled blackspot , common disease of a variety of plants caused by species of pseudomonas bacteria or by any number of fungus infections occur during damp periods and appear as round to irregular black spots on leaves and sometimes on petioles, stems, and flower parts of. Are other hydrangeas in the garden having this problem?
