Ask a Question forum→Healthy or Unhealthy Yuccas?

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Canada
yuccalover
Jun 17, 2021 12:51 PM CST
Hoping to get some feedback and advice on how to help our yucca plants thrive. My wife and I have been nurturing three outdoor yucca plants since last summer, and overall, have been quite pleased with how they have held up. They have grown significantly and have maintained a deep green colour that we love. Over the past few months, we have noticed that all three have developed browning of the tips and one of our larger yuccas has a few leaves that are going yellow/brown more centrally within the leaf. Does anyone have a suggestion on how we might be able to reverse this? We are a bit worried that this is an early marker that we are doing something very wrong and our yuccas are unhealthy despite still looking okay.

Currently we water the yuccas maybe every 2-3 weeks once the soil is thoroughly dried out. They get quite a bit of sunlight and our outdoor patio unfortunately does not accommodate a space for them to get more natural light than this.

Any and all advice would be greatly appreciated...thank you!
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ElPolloDiablo
Jun 17, 2021 1:31 PM CST
There are really just two causes for brown leaf tips in Yucca plants: underwatering and excess salts in the water.
Underwatering is easy to catch even before leaves start browning so it's not really much of a concern.
Fluorine toxicity is usually not a problem outside the US, but very hard water and high chlorine content are. If you have very hard water, or it regularly strongly smells of chlorine, that's the most likely culprit.
Thus, from the war of nature, from famine and death, the most exalted object which we are capable of conceiving, namely, the production of the higher animals, directly follows. There is grandeur in this view of life, with its several powers, having been originally breathed into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being, evolved.
-Charles Darwin-
Canada
yuccalover
Jun 23, 2021 6:08 PM CST
ElPolloDiablo said:There are really just two causes for brown leaf tips in Yucca plants: underwatering and excess salts in the water.
Underwatering is easy to catch even before leaves start browning so it's not really much of a concern.
Fluorine toxicity is usually not a problem outside the US, but very hard water and high chlorine content are. If you have very hard water, or it regularly strongly smells of chlorine, that's the most likely culprit.


Thanks so much for your feedback. We suspected it may have something to do with the tap water, so we transitioned to now using distilled water only. Do you know if the browned tips are something that will reverse itself?

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ElPolloDiablo
Jun 24, 2021 1:12 AM CST
I don't think it's much of an issue, but unfortunately they won't heal back: just be patient and with time they will be replaced by new growth.
Thus, from the war of nature, from famine and death, the most exalted object which we are capable of conceiving, namely, the production of the higher animals, directly follows. There is grandeur in this view of life, with its several powers, having been originally breathed into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being, evolved.
-Charles Darwin-
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Calif_Sue
Jun 24, 2021 4:34 PM CST

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Brown tips won't revert back to green. If they are bothersome, you can trim them off.
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