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Dendrobium spp.
Growing calendar
Typical timing for central Japan (Kanto region). Shift it for your own climate, and record your actual dates.
Guides
- Where to Keep a Dendrobium: Bright Light, Summer Outside, Cold Winter Nights
- Watering a Dendrobium: The Winter Where You Give None at All
- Dendrobium Care: Which Type You Have Decides Everything
- Repotting a Dendrobium: Small Pot, Coarse Mix, and Only When Needed
- Dendrobium Through the Year: What to Do and When
- Dendrobium Pests and Diseases: Scale, Spider Mite, Rot and Bud Drop
- How to Propagate a Dendrobium: Plantlets, Division and Cane Cuttings
Common problems
Start from what you can see on the plant.
Pests and diseases (14)
Problems recorded for this plant, most serious first.
Brown Leaf Spot
Disease
Small light brown to gray-brown spots form on the leaves and enlarge into irregular lesions. When they merge the whole leaf dies and plant vigor drops sharply.
Southern Blight
Disease
The stem rots at soil level and white silky mycelium spreads over the crown and the surrounding soil surface. Brown sclerotia the size of rapeseed then form and the plant wilts and dies rapidly.
Anthracnose
Disease
Light brown to dark brown round lesions with sharp margins form on leaves and fruit, slightly sunken in the center. In wet weather salmon-pink slimy spore masses ooze out on the lesions.
Bacterial Soft Rot
Disease
The crown or the head becomes water-soaked and soft, then collapses into a slimy mush. The rotting tissue gives off a distinctive foul odor.
Gray Mold
Disease
Water-soaked brown lesions form on flowers, fruit and leaves, densely covered by a fuzzy gray mold. Fruit rots and drops, and decay continues in storage after harvest.
Leaf Spot
Disease
Small round brown to gray-white lesions appear on the lower leaves, the centers turning gray with tiny black specks. As they multiply the leaf yellows and drops early.
