ordinarily call in " umbrella plants " because of their prominent palmate leaves , or " devilfish plants " because of the tentacle - like racemes of flowers , Schefflera plant are popular houseplants and can be grown outdoors in USDA zone 9b to 11 .
Schefflera trees are long - live plant that want fiddling sustenance . They grow best in medium to bright light , although they will also farm in low-toned light . Most disease of Schefflera trees occur in damp conditions . nullify wet the leaf and overwatering the plant .
Bacteria Leaf Diseases
The initial symptom of pseudomonas leaf blight are little , H2O - soaked lesion on the edges of the foliation of Schefflera trees . The lesions get liberal and turn opprobrious , resulting in severe foliage drop-off .
Irregular corky spots on the underside of the leaves characterize xanthomonas leafage spot . The spots are tan to yellow and turn dark brown .
No effective intervention live for bacterial leaf diseases . move out and demolish infected leaves . If the plant is severely infected , destroy it to preclude the disease from spreading .
Fungal Leaf Diseases
Alternaria leafage smirch causes big brownish spot with yellow halos , which spread and cause premature leaf drop . The disease also strike petiole and stems of genus Schefflera trees . Phytophthora leaf spot resembles Alternaria , but begins on the blue leaves first .
Collectotrichum leaf spot get as circular or oval tan spots . The spots turn dark chocolate-brown and evolve temporary edges . As the dead tissue falls out , the leaves begin to curl or cup .
take away and destroy infected industrial plant stuff to preclude the spread of diseases . Fungal diseases can be treated with a fungicide approved for Schefflera Sir Herbert Beerbohm Tree at the pace recommend by the manufacturer . Some fungicides can damage the foliage of Schefflera trees .
Powdery Mildew
A fungus cause powdery mildew , a ashen , dusty coat on the leaf and halt of Schefflera trees . Remove and destroy affected plant stuff . If the powdery mildew is far-flung , utilize a fungicide approved for Schefflera trees and follow the producer ’s instruction . The leafage of Schefflera tree can be damage by some fungicides .
