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Overwatering or Underwatering. Orchids need the right amount of water to maintain blooms. Too much water causes soggy, mushy roots that cannot provide nutrients to keep buds and blooms alive on ...
When plants are overwatered, the roots become saturated and can’t get that much-needed oxygen. ... “Orchids like a specialty blend, [which] we just call orchid bark, that their roots prefer to ...
However, I was able to keep my orchid alive for over two years using the ice cube method of watering. It entailed putting two large ice cubes, give or take, once a week into the pot.
Edema causes the appearance of growths, mainly on the underside of leaves, and can also cause indentations on the top side of leaves. [4] The growths can take a different appearance depending on the plant species, but can often take the form of needle like hairs, blisters, [3] corky growths and white crusty eruptions. [4]
It is one of the most common viruses affecting cultivated orchids, perhaps second only to the Cymbidium mosaic virus. [1] It causes spots on leaves and colored streaks on flowers. [1] If a plant is also infected with the Cymbidium mosaic virus, it can lead to a condition called blossom brown necrotic streak. [1]
It is found in both indoor and outdoor plants, although it is more common in indoor plants due to overwatering, heavy potting media, or containers with poor drainage. The leaves of plants experiencing root rot often yellow and die, and if allowed to continue, the condition can be fatal to the plant.
Kondrat recommends watering an orchid every 7 to 10 days when it’s potted in orchid mix. Orchids potted in moss need less frequent watering because the moss retains water longer.
Black rot targets a variety of orchids but Cattleya orchids are especially susceptible. [1] Pythium ultimum and Phytophthora cactorum are known to cause black rot in orchids. [1] Pythium ultimum is a pathogen that causes damping-off and root rot on plants. [2] Symptoms of this pathogen include stunting and chlorosis. [2]