My Ficus Elastica Is Having Some Dried Up Spot On The Underside Of Its Leaves, And I’m Not Sure What It Is?

I water it once weekly when the soil is dry and place it beside a north facing window… it receives bright indirect light from 2/3pm till sunset.

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1 Comment To "My Ficus Elastica Is Having Some Dried Up Spot On The Underside Of Its Leaves, And I’m Not Sure What It Is?"

#1 Comment By BushDoctor On 07/01/2020 @ 2:50 pm

Unfortunately, this looks to be algal leaf spot. Watering on schedule will not be appropriate. These will prefer to remain on the dry side, and down to a depth of about halfway the container.

A moisture meter may be needed to keep track of watering.

Fungicide treatment will be necessary, as well.

Here are some articles that will help:

https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm ^[1]

https://www.gardeningknowhow.com/plant-problems/disease/algal-leaf-spot-control.htm ^[2]

https://www.gardeningknowhow.com/houseplants/rubber-tree/how-to-care-for-a-rubber-tree-plant.htm ^[3]

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URLs in this post:

[1] https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm: https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm

[2] https://www.gardeningknowhow.com/plant-problems/disease/algal-leaf-spot-control.htm: https://www.gardeningknowhow.com/plant-problems/disease/algal-leaf-spot-control.htm

[3] https://www.gardeningknowhow.com/houseplants/rubber-tree/how-to-care-for-a-rubber-tree-plant.htm: https://www.gardeningknowhow.com/houseplants/rubber-tree/how-to-care-for-a-rubber-tree-plant.htm

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