Ctenanthe

Photo © Bulleen Art & Garden

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Ctenanthe spp
How to keep them thriving indoors in Melbourne!

Please Note: The information below is specific to this particular plant. For more detailed notes on the general growing conditions required for all indoor plants, check out our ‘Growing Indoor Plants Successfully’ factsheet.

Grown for their striking leaves, different species have different colours, but often they have vivid burgundy/purple undersides and lovely markings on the top side. Can reach up to 1m indoors (taller outside) and add a wonderful splash of colour to an otherwise mostly green array of indoor plants.

Watering
Keep moist in the warmer months and when growing, but allow to almost dry out in between winter waterings (when dormant). Use tepid or room temperature water in winter.

Light
Needs bright indirect light. Will lose colour if insufficient light.

Temperature and Humidity
Keep above 15C and can take quite a bit of heat. Keep humid: group plants together to create a small island of humidity and/or, raise pots on feet and allow water to pool underneath to raise humidity.

Fertilising
Apply slow release granules in spring and if growth is strong, do supplementary liquid feeding each fortnight in summer.

Maintenance
The large leaves get dusty inside and the occasional visit to the shower, or wipe down with a damp cloth is beneficial. You can trim off any damage to the leaves as needed and old tatty leaves should be removed at their base.

Your pot plant should be flushed annually. This will remove any accumulated salts.

Problems
Generally problem free, but if humidity is too low, the leaves tend to crisp and curl at the edges.