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12-07-2018, 10:29 AM
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Member
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Join Date: Dec 2018
Zone: 5a
Location: Iowa
Posts: 97
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Wait on fertilizer after repot
Hi Everyone,
What is the consensuses on the amount of time one should wait before using fertilizer on a repotted orchid.
I had to one week ago repot a Phal I had purchased the week before in bloom. The media (bark with a moss plug I discovered) was totally broken down. The roots were in fairly good shape considering. She's in fresh bark now and after a week's rest I watered her today - the media was completely dry when I check digging down with my index finger .
Surprisingly after the change in environment and repot in two weeks time, she hasn't dropped any of her flowers or the bud plus I think she's in the process of forming at least one more now. I was wondering how long I should hold off.
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12-07-2018, 10:57 AM
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Senior Member
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Join Date: Aug 2013
Zone: 7b
Location: Raleigh, NC
Posts: 1,197
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You're asking the orchid community about fertilizer/fertilization, there will likely never be a consensus.
In a very general sense, if you're dealing with plants that don't go dormant or require a rest (i.e. the average florist phal) , and if you have healthy (and especially if you have actively growing) roots then it's okay to fertilize (with a multitude of caveats).
If the roots are unhealthy, dying, or dead then it's basically worthless to fertilize the potting mix. If there are few to no roots actually in the potting mix, then it's basically worthless to fertilize the potting mix.
Additionally, there's essentially no harm or risk in holding off on fertilizing for a few weeks or longer, especially in regards to epiphytic orchids that tend to be light feeders to begin with.
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12-07-2018, 11:38 AM
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Senior Member
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Join Date: May 2005
Location: Oak Island NC
Posts: 15,204
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Echoing that last post, "there are as many ways to skin that cat as there are cats..."
Personally, as roots moved into a new environment are already stressed to one degree or another, I think it's best to hold off until you see new roots emerging.
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12-07-2018, 12:43 PM
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Senior Member
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Join Date: Jul 2012
Zone: 8a
Location: Athens, Georgia, USA
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Fertilizer is very low on a priority list for meeting an orchid's needs. Echoing some of the prior comments, an orchid won't use fertilizer unless it is actively growing and has healthy roots. There is no harm in waiting.
A possible harm in providing fertilizer too soon: if there is any root damage following the re-pot, added nitrogen and other nutrients could potentially fuel growth in bacteria and fungi (both require nutrients to grow).
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12-07-2018, 01:35 PM
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Member
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Join Date: Dec 2018
Zone: 5a
Location: Iowa
Posts: 97
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Thanks everyone.
I don't want to stress this plant any more than what she is presently.
From what I have read, taking it all with a grain of salt, it seems Phals in general "bounce back" faster (relativity speaking) than other species of orchid. I realize that its actually a case by case sort of thing since there are so many factors that have to be consider.
The Phal is now potted in a clay pot rather than a clear plastic (me and plastic pots are not a good combo no matter what species of plant) so seeing new roots might be a challenge. That being said I was thinking it would at least 8 to 10 weeks at the earliest to adding orchid food. That would put it around early to mid March when (in theory) the weather will begin warm here in the Northern Midwest and daylight will really start to become stronger.
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12-07-2018, 08:58 PM
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Senior Member
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Join Date: Jun 2015
Zone: 9b
Location: Phoenix AZ - Lower Sonoran Desert
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Ray is being shy. If you go to his Web site, in his signature block, and look for Free Information, you will be able to read a lot about fertilizing orchids.
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12-10-2018, 06:05 PM
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Senior Member
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Join Date: Nov 2013
Posts: 138
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Just go slow with fertilizer - do 1/4 strength 1 time a week, and you will be fine. Don't worry about how soon after repotting unless you are trying to recover a dead root system.
You might give your plant a week or two to settle into its new pot - but that is really all they need before you resume normal watering / fertilization.
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12-11-2018, 10:23 PM
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Join Date: Feb 2008
Posts: 95
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My personal philosophy is to observe what the plant in question is doing and then support that process. If it isn't doing anything, it makes sense not to second-guess it.
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12-19-2018, 05:11 PM
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Senior Member
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Join Date: Jul 2008
Zone: 9b
Location: Northern California
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In Cymbidiums, it all depends on the state of the roots. If the majority of the roots are undamaged with active growing tips, or if I have just up-potted a plant, I fertilize with the rest of the collection on a 1/4 strength weekly basis.
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