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Tuesday, September 9, 2025

Plant Problems: Trouble with My San Marino Radiator Plant

One of the very first plants I got years ago was a radiator plant, specifically a peperomia caperata 'Rosso'. I named it Pepper Ann, and it lived in the breakroom at work.

Despite the fact that peperomias are considered "easy" plants, Pepper Ann died a sad, sad death. A mixed of climate problems (thank you Arizona heat) and root rot claimed her. May she rest in peace.

I stayed away from all Radiator plants, not wanting to repeat the tragedy.

Trouble with My San Marino Radiator Plant, it was once healthy and green with pointy wrinkled leaves and reddish stems.

Until August of last year, when I saw this sweet plant at a grocery store. It's a peperomia 'San Marino'. Surely, this time would be different, right?

Well, about that...

Trouble with My San Marino Radiator Plant, a wilted peperomia or radiator plant.

About July, my San Marino plant started to go downhill. I tried repotting it in a smaller pot (because it was considerably smaller), and it seemed to do okay for a while. Then it got worse.


 A couple of weeks ago I found this. Where are the roots? That's right, rot is claiming another victim.

Trouble with My San Marino Radiator Plant, adding to water to try to reroot and revive.

I trimmed it back and tried to stick it in water to hopefully re-root. I really doubt it will make it at this point.

But there's is still one spark of hope.

Trouble with My San Marino Radiator Plant, cutting taken at the last minute. At least they are thriving.

When I repotted it, I also took some healthy cuttings and started rooting them in water.


Roots started to pop out within a week, and they're are doing just fine. I'm not sure if I will pot them up or just keep growing them in water. I seem to have better luck growing Radiator plants hydroponically.

So I may have lost the battle this time, but I am winning the war.

Wish me luck, and stay green.


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