Velvet Philodendron Leaves Curling & Turning Brown

Hello,
Please see photo attached. Not sure what plant this is? I’ve had this plant for 6 years, very healthy until last month.
Leaves are curling inwards, some are changing to red and falling off.
I’ve tried everything ( I think), changed soil, moved it to the sun, aired it outside, added Epsom salt for magnesium. I have a moisture thermostat and make sure not to over-water it.
I don’t know what else to do. Can you please help? Thank you!

Hi Dusty,

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Your plant is called a Velvet Philodendron (P. scandens f. micans) This type of philodendron plant has velvet-textured heart-shaped leaves that are greenish bronze with reddish brown undersides. Usually, if a Velvet Philodendron starts to turn brown and curl under, the plant is getting too much light and/or not enough water.

Check your Velvet Philodendron for spider mitesSpider Mites, members of the Acari family, are small insects about 1mm in size. The most common indoor plant mite is the red spider mite (also called the two-spotted spider mite.). These pests lay their eggs on the under surface of leaves and produce fine webbing especially where the leaves are attached to the stem. Spider mites are hard to see with the naked eye, and may appear only as small red dots. They are more often recognized by the gritty feel of the leaf when you run your finger down it’s length, or by the appearance of discolored leaves due to the sucking action of the mites. The best way to prevent spider mites is to keep your plants clean and dust free. Treat spider mites by spraying every ten days for a month with a product such as Safer Insecticidal Soap.. This houseplant pest could also be causing the problem.

A Heartleaf Philodendron is a fast growing plant that should be fed monthly in the spring and summer when it is actively producing new leaves. Fertilize a Velvet Philodendron every other month in the fall and winter with a basic houseplant food at 1/2 the recommended strength.
You can read more about Philodendron scandens in the Popular Houseplant section of the website. The article deals with the Heart leaf Philodendron, but the care is the same. You can read about spider mitesSpider Mites, members of the Acari family, are small insects about 1mm in size. The most common indoor plant mite is the red spider mite (also called the two-spotted spider mite.). These pests lay their eggs on the under surface of leaves and produce fine webbing especially where the leaves are attached to the stem. Spider mites are hard to see with the naked eye, and may appear only as small red dots. They are more often recognized by the gritty feel of the leaf when you run your finger down it’s length, or by the appearance of discolored leaves due to the sucking action of the mites. The best way to prevent spider mites is to keep your plants clean and dust free. Treat spider mites by spraying every ten days for a month with a product such as Safer Insecticidal Soap. and how to get rid of this houseplant pest in the Glossary of the website.
http://www.houseplant411.com/houseplant/philodendron-plant-heart-leaf
http://www.houseplant411.com/glossary/spider-mite-plant-pests