Houseplants forum: Do you know what's wrong with my dracaena?

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Ebailey
Apr 17, 2016 4:23 PM CST
My dracaena's leaves have something wrong with them but I'm having trouble identifying it. The tips of the leaves are turning brown, and some leaves have yellow spots that progress to dead brown spots with a yellow halo.

I believe I have under-watered it. I've been using tap water. It sits next to a shady east-facing window.

Is this simply a case of underwatering? Or does the spotty nature of the leaves imply an infection?


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Name: Gene Staver
Portage WI 53901 (Zone 5a)
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gasrocks
Apr 17, 2016 6:58 PM CST
Greetings new member. It might help if we knew where you live and if the pant is outside or inside. Off top of my head I'd guess not enough humidity. Gene
Name: Tiffany
Opp, AL (Zone 8b)
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purpleinopp
Apr 18, 2016 3:37 PM CST
Hi & welcome! Dracaenas are sensitive to fluoride in tap water, and can get a toxic dose over time. Tap water also often has lime in it, which can raise the PH of soil over time if not watering thoroughly (so a lot of water runs out of drain holes) often. Simply running out of room for roots to grow can cause issues with the foliage too. Whenever possible, use rain, distilled, or condensate from a dehumidifier or A/C. If it's been in the same soil for 2+ yrs, repotting would help too (chop off the pancake of roots at the bottom of the root ball if found, remove old soil, replace with new.)

The spots in the 2nd pic could be oedema (a cosmetic issue,) or related to fluoride toxicity.
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Name: Will Creed
NYC
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WillC
Apr 23, 2016 9:26 AM CST
Dracaena deremensis 'Warneckei' are very prone to leaf spotting and tip browning for a variety of reason, some of which have been previously mentioned. The tip burning is likely caused by either over or under watering. This plant is not at all forgiving of even occasional or momentary lapses in watering.

Fluoride added to tap water is not concentrated enough to cause plant damage. However, fluoride in certain fertilizers with super-phosphate are serious sources of toxic fluoride. Hard water is a problem. If your tap water is hard, then use filtered, distilled, or rainwater instead.
Will Creed
Horticultural Help, NYC
[url=www.HorticulturalHelp.com]www.HorticulturalHelp.com[/url]
Name: Tiffany
Opp, AL (Zone 8b)
Houseplants Organic Gardener Composter Region: Gulf Coast Miniature Gardening Native Plants and Wildflowers
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purpleinopp
Apr 23, 2016 10:12 AM CST
Fluoride toxicity is a known malady of Dracaenas:
http://extension.psu.edu/pests/plant-diseases/all-fact-sheet...

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Name: Will Creed
NYC
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WillC
May 1, 2016 10:00 AM CST
Yes, fluoride can be a problem for Dracaena plants and others in the Lily family, including Spider Plants. The confusion is that most people who have fluoride added to their water supply assume that this will affect their plants. The Public Health Service recommends a fluoride level of 0.7 ppm concentration in drinking water. That is substantially below the 1.0 ppm concentration that will cause damage to fluoride sensitive plants. Some areas do have naturally high levels of fluoride in their local water, but that is the exception. Few of us need to be concerned abut fluoridated water damaging our plants.
Will Creed
Horticultural Help, NYC
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Denisef
Aug 29, 2016 4:39 AM CST
I have a young Dracena that I would
like identified . May I send a photo

Denisef
Aug 29, 2016 4:41 AM CST
How do I send a photo to you
Name: Gene Staver
Portage WI 53901 (Zone 5a)
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gasrocks
Aug 29, 2016 6:55 AM CST
Why not post it here? When you are typing a new message here, there is a box below for adding images to your message. Gene
[Last edited by gasrocks - Aug 29, 2016 8:15 AM (+)]
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Name: Tiffany
Opp, AL (Zone 8b)
Houseplants Organic Gardener Composter Region: Gulf Coast Miniature Gardening Native Plants and Wildflowers
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purpleinopp
Aug 29, 2016 8:14 AM CST
Hi & welcome, @Denisef !

You could ask here, or on plant ID forum:
http://garden.org/forums/view/plantid/

For pic instructions, are you on a device or computer?
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Denisef
Aug 29, 2016 9:30 AM CST
On a iphone

Denisef
Aug 29, 2016 9:50 AM CST
Thankyou Glad to be here

I have an iphone . The photo
is in my iphone as well
Name: Tiffany
Opp, AL (Zone 8b)
Houseplants Organic Gardener Composter Region: Gulf Coast Miniature Gardening Native Plants and Wildflowers
Bulbs Foliage Fan Tropicals Butterflies Garden Sages Cactus and Succulents
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purpleinopp
Aug 29, 2016 10:42 AM CST
I have no idea how to work one of those, but I'm sure someone who does will pop by & try to help soon if they see your question, if they see it. Because we're kind of having a side-bar inside the topic of another discussion, your questions about uploading & about what kind of plant you have might be overlooked.

If you start a new discussion in the ID section, you should be able to get help with both questions, and when asking in that section, you can mark the discussion as solved when you've decided you know the ID of your mystery plant. Best luck with both!
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[Last edited by purpleinopp - Aug 29, 2016 10:42 AM (+)]
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