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01-07-2024, 06:17 AM
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Senior Member
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Join Date: Nov 2023
Zone: 9a
Location: Cheltenham, UK
Posts: 126
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Dendrobium Phal buds failing to mature
I purchased this Dend. Phal. in May 2023 from a large UK DIY store, she was in bloom at the time and whilst still flowering she produced a new cane, it happens to be the one in question.
As you may be able to see, this cane, the one mentioned already as spiked, bloomed and now produced a second spike with 6 buds. Two buds still look great but four have failed.
Has anyone else experienced this? She has also produced a further two canes (3 new ones since purchase!) which are both starting to spike. I would like to try and prevent the same happening with these blooms if possible!
I am a novice (7 years), windowsill grower with a small collection of 12 orchids and have never seen anything like this on my others - a mix of Phals, Dends, Oncidiums and a Cattleya hybrid.
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01-07-2024, 11:27 AM
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Super Moderator
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Join Date: Jun 2008
Zone: 10a
Location: Coastal southern California, USA
Posts: 13,339
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The plant looks very good!. As far as the new spike goes, some factors to think about that might have caused those buds to blast. Could just be resources - it might not have the reserves to keep a second spike going, on a young plant. Or, cold drafts can do that. Or exposure to ethylene gas - from ripening fruit or a gas stove.
Just keep the plant well watered, plenty of light (needs more than a Phalaenopsis does, more like Cattleya light) . And watch what it does.
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01-07-2024, 11:50 AM
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Senior Member
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Join Date: Nov 2023
Zone: 9a
Location: Cheltenham, UK
Posts: 126
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Thank you Roberta, two things spring to mind.
Firstly, around Oct/Nov time I, as I now know, mistakenly put this plant onto my winter rest shelf with my Dendrobium Nobile. She was excluded from my regular feeding and watering routine for, probably around 6 weeks before learning the error of my ways!
Secondly, she does live in my kitchen with fruit and a gas hob - bad Orchid mum!
So helpful, thank you.
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01-07-2024, 12:02 PM
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Super Moderator
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Join Date: Jun 2008
Zone: 10a
Location: Coastal southern California, USA
Posts: 13,339
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The gas stove emissions are subtle... something nobody thinks about. And bananas??? But yes, they can be the culprit too. So I think that if you can move the plant out of the kitchen when it's in spike (probably not a problem until then) , and keep it watered (this type of Den doesn't want to dry out) the new spikes will do fine.
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01-07-2024, 02:46 PM
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Senior Member
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Join Date: Jun 2015
Zone: 9b
Location: Phoenix AZ - Lower Sonoran Desert
Posts: 18,233
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Dendrobium phal. hybrids prefer being warm and well watered throughout the year.
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