Best Soil for Christmas Cactus?
ldlconsultinginc
7 years ago
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Karen S. (7b, NYC)
7 years agoldlconsultinginc
7 years agoRelated Discussions
Thanksgiving or Christmas cactus? Groundhog day cactus?
Comments (56)Purple, I've enjoyed reading this thread and wanted to add my $.02 worth. The first thing I noticed is that the stems appear to be flacid.....wilty. That could be caused by over OR under watering.....whichever might cause the roots from being able to access water. In this case, I wonder if the water you're applying is evacuating before soaking the whole soil volume. One thing about these plants (all plants) is that though they need to dry out somewhat between drenchings, the potting soil must be completely saturated on watering day. This is true for all plants, even those cacti that are native to extremely arid regions. Have you ever seen "Medicine Man ", a movie starring that gorgeous specimen of manhood Sean Connery? It takes place in the rainforest of Brazil. There are scenes of my lovely Sean ziplining through the forest canopy, sharing the scenes with huge epiphytic cacti and other plants. Really neat movie. Plus, it stars Sean Connery. I get that it's difficult to understand how those prickly, barrel shaped desert cacti have ANYTHING to do those graceful rainforest plants. Here's what I "think " is a good analogy, but don't laugh at me toooooo hard if it really stinks. Take your dog into consideration for a moment. It's a mammal. So are you and the pesky squirrels in your yard. Big differences amongst those three mammals yet they share essential similarities. Still with me? Now, think of those incredible bottlenose dolphins familiar to anyone living in coastal areas. Superficially, they seem to have so little in common with your dog, but those porpoises are just another type of mammal. They live in a different environment, for sure, but the similarities are much more important than the differences. You just need to try to provide the kind of environment your dolphin needs. :-) Dorie...See MoreBest cactus soil
Comments (4)All prepared potting soils, regardless of purpose, are 'soil-less' mixes.....all that means is they have no real 'dirt'(soil) in them. And that's a good thing, as soil - like garden soil, loam, topsoil, etc. - is too fine a particle size and impedes drainage for things grown in containers. And fast drainage and aeration is key in a container. Most all-purpose potting soils are peat or coir based. Then various things are added to enhance/improve drainage, add texture and retain moisture - bark fines, perlite, pumice, Turface, poultry or granite grit, coarse sand, etc. Some may even have organics like compost, worm castings, guano or chicken manure added but these should be a very small percentage of the mix, if present at all. One of the best soils for cacti or succulents is the gritty mix referred to on the Container gardening forum: 1 part uncomposted screened pine or fir bark (1/8-1/4") 1 part screened Turface 1 part crushed Gran-I-Grit (grower size) or #2 cherrystone Depending on the how the coir is introduced (shredded or granular), the OP's mix is not too bad - I would add some bark and coarse sand as well if not switching directly to the gritty mix. FWIW, there are never many nutrients in potting soil. The nature of container gardening is that the grower needs to provide all the nutrients the plants need, as well as to closely monitor the watering. The Schultz is probably ok but I prefer a liquid fert that provides all the trace elements as well, Foliage Pro by Dyna Grow....See MoreChristmas cactus/thanksgiving cactus question
Comments (4)Hi King, Not such a weird question, but no, they don't spread. As stated above they get longer, & sometimes branch. When long enough, a portion breaks off & drops off, taking root where it lands. They don't spread sideways because in nature, they don't grow in soil, but rather in the crotch of tree branches, So to get a full pot of the plants, one should plant multiple cuttings comprised of at least 3 segments each. To give an idea of amounts, in a 3" diameter plastic pot, one would pot 3 or 4 cuttings, so if using a bigger pot, use more cuttings....See MoreBest potting soil base for cactus mix?
Comments (9)Like I said, the MG stuff would not be my first choice :) And I certainly would avoid the regular MG potting soil.....it doesn't even drain well enough for more moisture loving houseplants!! I wouldn't dream of using it for succs. I use a proprietary blend sold by a local grower and wholesaler of cacti and succulents. It is closer to the gritty mix, being one part bark to one part coarse perlite or pumice and one part cherrystone poultry grit (available at feed stores). Drains fast and well. Bonsai Jack is a good choice as well. ETA: perlite and pumice are really interchangeable. One or the other - no neeed to use both....See Moresocks
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7 years agoKaren S. (7b, NYC)
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