Things Needed
Also called the dumbcane works , the dieffenbachiais a houseplant that grows up to 6 feet tall and 3 ft wide . The dieffenbachia is beloved for its large , tropic leaves and easy adaptation to indoor environment . Many different problems can induce dieffenbachia leave to turn scandalmongering , including disease , insect infestations and cultural problems . You must first name what ’s causing the yellowing leaves so as to decently do by the problem .
Diagnosis
Step 1
consider the dieffenbachia ’s leaves to find yellowing leaf margins . leafage burn around the edges , along with scrubby new leaves , can indicate over - fertilization . Sometimes yellowing leaves and stunted , small fresh leaves can be symptoms of root rot , insufficient luminance , smoke - spring root or a nutrient deficiency .
Step 2
appear for bottom leaves yellowing and deteriorate from the dumbcane plant to name a nourishing deficiency or pot - bound roots .
Step 3
Look for small sensationalistic or yellowish - orange spots on the diffenbachia ’s leaves to diagnose bacterial folio spot . The yellow spots will have semitransparent centers and grow to 1/2 in in size . The infected leaves tend to droop and die .
Step 4
Look for yellowish leaves with a flecked appearance on your dieffenbachia to name a wanderer pinch plague . wanderer mites can also give okay webbing near the leafage axil .
Treatment
Repot the dieffenbachia into well - draining potting soil mix and a container with plenty of drainage trap in the bottom , if you distrust that the yellow leaves are due to origin rot . pee the dumbcane plant thoroughly only when the top 1 inch of potting territory feel dry to the touch , and do n’t over - water .
Feed your genus Dieffenbachia monthly or once every two month while it ’s actively growing with an all - aim houseplant fertilizer , if you suspect that the yellowing leave are triggered by a nutrient deficiency . Fertilize only once or twice during winter , following the dosage and coating program line on the recording label .
Pour water into the potting ground until it drains freely from the bottom of the pot to leach out the salt and fertilizer buildup , if over - fertilisation is the problem . see to it that the genus Dieffenbachia is pot in a loose , well - draining soil mix to help prevent salt and plant food - deposit buildup . Perform the leach procedure at least once every month .
dispatch the genus Dieffenbachia from its potty and analyse the root word to determine whether the flora ’s yellowing leaves are do by being pot - bound . If the theme circulate around to fill the pot and little grease is left , repot the dumbcane industrial plant into a container that ’s 1 to 2 inches deeply and spacious than the current potbelly .
Step 5
Control spider mite infestation by applying a least - toxic insecticidal product made for houseplant . look up an agrarian reference serve for the best treatment options .
Tip
If you still are n’t certain what ’s causing your genus Dieffenbachia ’s leaves to turn yellowed , touch your area ’s agricultural prolongation office . Extension offices can usually name the trouble by the plant ’s symptom and urge the safest , yet most effective , treatment .
Warning
Do n’t process your dieffenbachia with a fungicide or other chemical if you suspect it has bacterial foliage spot . No wide - available treatments exist for this plant disease , but you’re able to forbid it by keeping temperatures around the industrial plant at 60 to 75 degrees Fahrenheit and no cooler . Also , control that the dieffenbachia is n’t crowded together with other plants .
