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Posted 2Y ago by @ParamountChaya

Both of my dracaena have black tips and black spots on th...

#Dracaena
3ft to light, indirect
12” pot with drainage
Last watered 3 days ago
Full disclosure, I’m not an expert, I only have 1.5 dracaena, (because my cat chowed down on one and gave it a buzz cut!) and I’m new to all of this. This is solely based on my initial observation and maybe you’ve already thought through this scenario, if so I apologize. Check your soil, it looks like a watering/drainage issue based on the yellow circle patterns that I noticed are forming around the black spots. The yellow looks like it was there first and the black spots are happening as it worsens. You can see it more in your first photo. Have you repotted it recently, or has it been a long while since you have? Have you looked to see how wet you soil is/isn’t or if the roots are coming out of the bottom/top? Check the roots, make sure they aren’t overly wet and the soil is draining. If the yellow wasn’t showing up before the black spots, it almost looks like an injury, but the yellow says something else. I hope someone with more experience chimes in and good luck.
@TheOddAsity any insight?
Those spots can indicate a fungal infection. The yellow around the brown can indicate that. I would treat for fungus with either a liquid copper fungicide or Arber has a great one.

Just as @EZLennyLance said check the soil and roots. Is it staying wet for too long?

Dracaena’s are desert plants. They can go long periods of times without water in harsh soil. So making sure the soil is completely dry is a must. Greg is AI. He learns as you interact. So if he recommends watering, always check your plant first. If the soil is still too wet, snooze it. Then he learns. Because the conditions in your home are individual to you (humidity, heat, light, draft). Those things will influence when you actually need to water.
Could just be the salinity and other minerals in the water. You could try distilled water (which you can make at home for free.99 by just letting water sit out for 24 hours )