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My little guy I have had for 3 decades now.
(lemmy.world)
Probably the easiest plant to care for once you figure it out.
I water it every month or two. Fertilize it every 2 or 3 years. Redirect the arial roots into the pot when I water.
It gets 3 hours of direct sunlight in the morning.
Every 5 or 6 years I haul it outside in the summer. Then leach the pot with the garden hose to remove the salt buildup. I also hack the plant back to a more manageable size.
Monsteras are very drought tolerant and do better with intermittent watering. Soak the pot then let them let them dry out. They need another dunking when the sheen of the leaves get a little dull.
They also break any rule about pot size you have ever heard. That's a 10 gallon pot btw. For the first 10 years of its life, I kept it in a 2.5 gallon one. I had to water (2-3 weeks) and fertilize (2x per year) more frequently but it grew to the same massive size.
I've found that erring on the side of underwatering is a decent strategy for most houseplants. People ask me what my trick to caring for my houseplants is, and a huge part of this is that I made up a big bucket of well-draining soil to use for my plants. This means that I need to water them more frequently, but they're far less likely to succumb to root rot