Re: Cyrtosperma growing media suggestions...
- Subject: Re: Cyrtosperma growing media suggestions...
- From: <j*@msn.com>
- Date: Fri, 23 Oct 2009 15:05:42 +0000
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Dear Dan and fellow aquatic lovers, Dan, your method sounds as close to perfect as possible! It incorporates both Enids and my methods of growing these plants! In reading about the medium in which you pot your aquatics, I`d venture to say that your pots in all actuality COULD be completely submersed if needed, and the ONLY item in your mix which just MIGHT decay would be the peat moss, but this should NOT rot (check it from time to time and report back, please!) and smell like a dead rat, in commercial "Soil" mixes, lots of the material incorporated into them DOES rot, smell BAD and kills the plant! The reason I keep POUNDING this point (and I so appreciate your input!) is as follows---back when I sold Aquatics at the Fairchild IAS shows, I`d screen the buyers pretty closely and give advice on HOW to grow them, no soil mix BELOW the water line, etc., etc.. Well, the very next year I` be approached by a past-year buyer who might be pretty irate, saying that the expensive plant he purchased had JUST died. I`d question him/her on if they had done as I instructed, and some BS would come back at me, like--"No, you see we decided to experiment and did so-and-so, which I knew was GUARENTEED to kill the poor, now-irreplacable plant! I`d then go off on a rant, saying don`t you recall all the things I TOLD you that you could not do??? Why did you NOT, as I strongly suggested, grow the plant to blooming/fruiting size UNDER MY PROVEN-TO-BE-SUCCESFUL methods, THEN collect and grow the seeds to experiment with, and THEN do what YOU might think is a ''better way'' to grow these rare and expensive plants?? I never got a satisfactory reply. MAN--I still get upset just recalling it!! I agree with you about re-potting, leave them be as long as possible, but if and when you REALLY need to re-pot (my Urospathas and some Certospermas grew to 6' +!!!), I don`t believe that root breakage is a major concern, as in heated water the plants replace these roots VERY quickly! Do you know how I might contact Dylan Hannon?? The Very Best to you and ALL friends on aroid-l. Julius WPB, FLORIDA From: levin@pixar.com Date: Wed, 21 Oct 2009 22:58:36 -0700 To: aroid-l@gizmoworks.com Subject: Re: [Aroid-l] Cyrtosperma growing media suggestions... Adam, I've been growing aquatic aroids in plastic mesh pots set into a pond for many years now. The pond is inside my heated greenhouse (in the SF Bay Area) and the water is further heated by a immersion/ aquarium heater and constantly circulated with a submersible pump with the return to the pond flowing over a small waterfall. As you posited: water/ O2 circulation inside mesh pots does appear better compared with using conventional nursery pots for this application. I offer this assessment based upon faster growth rates and reduced die-back of new growth (i.e. sometimes a new shoot will rot out) in my given conditions. The media mix I use in my mesh pots: 4 - washed Monterey sand (#2/12 screen) 2- pumice 1- red lava (5/16" clean) 1- coarse/ chunk peat moss (Sunshine, blue grade) Good light, good air circulation and regular fertilization with majors AND minors are also key to good culture. The one major downside to using mesh pots: Aquatic plant roots are quite brittle- so repotting is not all that practical, since much of the root system will naturally be growing out through the holes at the sides/ bottom and easily snapped off if you monkey with things much. I suppose one could always cut a mesh pot away from it's denizen and attempt a new/ larger pot but it wouldn't be pretty. Especially if prickles are involved (e.g. Lasia, some Cyrtosperma, etc). I've personally opted to not repot my aquatics at all. I simply let them be. My media is 90% inert anyway and functionally serves only to anchor the plants and act as an Osmocote receptacle once the plants reach adult-like sizes. FYI: in my pond I'm using 10" or 12" square pots to hold plants a meter and more tall. Finally- in my experience using mesh pots one must still heed The Penultimate Boosian Precept of aquatic aroid culture: <<< Keep the media's surface/ crowns of your plants above the water line at all times-!! >>> I never submerge my pots more than halfway and start them out even higher... eventually lowering the pots to their final, maximum 50% depth only after a lot of roots have grown out of them down into the water. Vertical positioning in my pond is accomplished by setting the mesh pots on top of 4" (or bigger) diameter slip ABS couplings set on end; with many large holes drilled through the coupling's sides to avoid anaerobic water conditions/ dead zones directly under the plants. For deeper and variable situations I've made pedestals by using two plastic drain grate-to-pipe fittings set in a back to back configuration with "x" length of ABS pipe (holes again, please) interconnecting them. No need to glue things, so you can use pipes of differing length to vary the pot depth as needed. -Dan On Oct 12, 2009, at 8:22 AM, Adam Black wrote: I don't recall if anyone has mentioned it yet, but has anyone tried the "mesh" pots for aquatic aroids? I would imagine these would be beneficial to allow for better circulation through the pot and media. I think they are more commonly used for water lilies so would think they would apply perfectly toward aroids. I have a Montrichardia in need of repotting and I am going to give it a try. |
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