Weird “bulbs” That Are Rock Hard Growing Out Of Philodendron Stems?

I have a split leaf philodendron that I believe to be very healthy, but I noticed today that there are weird solid rock hard bulb type things growing out the back of the stems? Are these dangerous to the plant or healthy? I have attached a photo. One is white and one is brown.

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1 Comment To "Weird “bulbs” That Are Rock Hard Growing Out Of Philodendron Stems?"

#1 Comment By BushDoctor On 05/15/2020 @ 10:58 am

Those are roots! Here are some articles that will help:

https://www.gardeningknowhow.com/houseplants/hpgen/aerial-root-information.htm ^[1]

https://www.gardeningknowhow.com/garden-how-to/info/trimming-air-roots-plants.htm ^[2]

https://www.gardeningknowhow.com/houseplants/philodendron/caring-for-philodendrons.htm ^[3]

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URL to article: https://questions.gardeningknowhow.com/weird-bulbs-that-are-rock-hard-growing-out-of-philodendron-stems/

URLs in this post:

[1] https://www.gardeningknowhow.com/houseplants/hpgen/aerial-root-information.htm: https://www.gardeningknowhow.com/houseplants/hpgen/aerial-root-information.htm

[2] https://www.gardeningknowhow.com/garden-how-to/info/trimming-air-roots-plants.htm: https://www.gardeningknowhow.com/garden-how-to/info/trimming-air-roots-plants.htm

[3] https://www.gardeningknowhow.com/houseplants/philodendron/caring-for-philodendrons.htm: https://www.gardeningknowhow.com/houseplants/philodendron/caring-for-philodendrons.htm

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