Al/ Tapla, I have something to say
myermike_1micha
7 years ago
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Al,something I have always wondered about the gritty and 5.1.1mix
Comments (4)Somewhere around 20 years ago, I was at a business meeting in Chicago. I had arrived Thu night for Fri-Sat meetings and was bored, so wandered around the hotel. I soon discovered that there was also a bonsai convention being set up, which was to begin on Fri. I was amazed at the beauty of the little trees, so asked if I could observe. Permission was granted with the proviso I stay out of the way. I decided that day that I had to learn how to grow those wonderful little trees. I came home and soon stumbled on an adult education flier that offered a 1 day bonsai workshop. I paid my fee & soon had a little garden juniper, perfectly ripe for the killing. I stumbled around in total darkness for that entire summer before realizing I knew nothing about soils or keeping plants alive in containers, but that knowledge was prerequisite, so I set the plants aside and hit the books. I studied bonsai techniques and the art itself, but mostly I concentrated on physiology and soil science. After 4-5 years of what I think was pretty diligent studying, I had learned enough about plants and soils that, to my great happiness, I was able to keep plants alive and healthy in containers. I was using 'bonsai' soil that was commercially made, and little better than other heavy 'from-the-bag' soils that were available. About the only thing that set it apart was it's gritty mineral components. I discovered and joined a local club, and primarily through my bonsai magazines, gradually became exposed to a wide variety of potential soil ingredients. As I continued to study and gain a better understanding of how soils work and how various combinations of ingredients affected the end product, I started experimenting with various combinations of ingredients. I learned early on that soils intended to hold plant material for extended periods needed to be very durable. I was still operating under the illusion that container soils had to be nearly all organic or they wouldn't work. I soon discovered that was nowhere near true. It was a combination of trial and error, reading what others were doing, and experimenting, using what I had learned about soil science that helped me up with the idea of combining an ingredient that was large enough that it held very little perched water but still held plenty of water in internal pores (screened Turface) with an ingredient on the opposite end of the spectrum - granite, which holds no water internally - only on its surface. The bark, though it offers some nutrition as it slowly breaks down was an excellent compliment to the other two ingredients because it offered a filler that held about the same volume of water as the average between the Turface and granite, and because it was plentiful and cheap; plus, it fit the durability requirement better than any other commonly found organic component, as long as I limited the organic fraction (bark) to 1/3 of the whole or less. Each of the ingredients in the gritty mix is actually carefully chosen. Particle size, the ability to hold/not hold water, expense, availability (for me) were all carefully considered as I settled on the ingredients and ratio. I've been using the gritty mix for about 15 years, and haven't found a way to improve it yet. With the number of people I stay in contact with in the bonsai community, it's easy to imagine there were a lot of materials that could have been substituted for one of the 3 primary ingredients or added to the trio. Many were tried, then discounted, and I still prefer the equal parts of fir bark:Turface:grit to anything else. I guess to answer your question directly, about how long it took me to come up with the gritty mix, I'd say it was about 5 years before it came together, but I was still learning a lot in the first 4 years. As far as the gritty mix being perfect, it may not be, for everyone; but the nice thing about it is it's flexible/adjustable for different locales and plant material by simply changing the ratio of Turface:grit slightly. The same is basically true of the 5:1:1 mix - it's flexible. My interest in bonsai also sparked a keen interest in growing a wide variety of other plant material in containers. Since I recognized the difficulty presented by the high level of water retention in almost all from-the-bag soils, and I had already witnessed the superb results from the highly aerated gritty mix, not to mention the fact that the gritty mix is more expensive than bagged soils, it wasn't long before I was tinkering with pine bark, peat, and perlite. I saw that nurseries were growing woody material in mixes with pine bark, so I should be able to grow my veggies and pretty/flowery stuff in some sort of concoction with pine bark as the primary ingredient. Having already settled on the gritty mix, I knew just what I wanted to achieve with the 5:1:1 mix, so that was easy. A few years after I started using the 5:1:1 mix, I started sharing how well it works here. You might not believe me when I tell you that JaG was one of the loudest dissenters, and couldn't imagine how soils with that much air could possibly be better than from-the-bag soils. He'll tell you that himself, and mentions it frequently. (I miss his being around). It took a couple of years of often very strong debate before he tried it and saw there really was a stark difference in results between a highly aerated soils vs those heavier and water retentive. Now he's a strong proponent of highly aerated soils. I was actually afraid to tell the forum about the gritty mix, because it was such a radical departure from what everyone on this forum was used to growing in that not one person would ever have believed you could grow in a soil that was 2/3 gravel and 1/3 large bark chunks. Honestly - I had to wait until I had earned enough credibility before I could even tell you that I grow lots of perfectly healthy plants in the stuff. It's much easier to open minds when there is more than a singular voice crying in the wilderness. ;o) Let's see ...... what drew me here? I think it was originally because I was doing a LOT of searching for info on the internet and GW kept coming up. After a few hundred GW hits, I guess I started to explore and ended up joining. The bonsai forum wasn't much fun because there was (still is) constant fighting, so I ended up here. I had also joined several clubs, and had often been invited to talk about different aspects of gardening. I talk most often about soils and things related to container gardening, but I also do presentations about pruning and hormones, propagation, repotting ..... I do bonsai demos and lead various workshops, too. I look at all of that as a natural extension of my love for growing/nurturing plants, so I guess it's not so unusual that you have to put up with me here. Whew! That took a lot longer than I thought it would. It was a really, really hectic weekend, so it's time for bed. Thanks for your interest, Mike - if you're still awake. ;-) TTYL Al...See MoreAl (Tapla), can I borrow some gypsum??
Comments (3)Sure - as long as you're not from Canada or otherwise outside of The States. Send your addy by clicking on 'My Page' at the top of this reply and then on 'Send me an Email'. Al...See MoreMy solution to pine bark fines for Al's (Tapla) 5-1-1 mix
Comments (18)Great post. I tried this method this past weekend. Relative to the lawn mower method of chopping up large pine bark chunks, I found this method to be cleaner (it doesn't shoot pine chunks out the sides like a mower will), a bit slower than the mower, and produced a lot more fine particles. I have a high speed Toro leaf blower/mulcher with a metal impeller. A large percentage of the particles coming out felt like fine compost, and a large number of chunks went through looking unscathed, so I didn't get the mix of particle sizes that I was hoping for. I suppose if I had a 1/8" screen, I could have sifted out some of the fine stuff. As it was, I got about 3 gallons of material, and made a side batch of 5-1-1 to try with some peppers, but I didn't mix it in with the rest of my 5-1-1....See MoreHi Al/Tapla....Question for you? Roses?
Comments (4)It depends on what the question is. I'm not overly familiar with roses in particular, but if the question isn't really specific to roses, there's a good chance I might be able to contribute something helpful. An example would be - how do I root prune a dogwood in a pot. Even though I never grew a dogwood in a pot, I can still tell/show someone how it's done. You needn't be the bus driver to know what makes the wheels go round & round. ;-) Hi back to Sis for me, please. Al...See MoreNeed2SeeGreen 10 (SoCal)
7 years agoLoveplants2 8b Virginia Beach, Virginia
7 years agolast modified: 7 years agomyermike_1micha thanked Loveplants2 8b Virginia Beach, Virginiamyermike_1micha
7 years agolast modified: 7 years agotapla (mid-Michigan, USDA z5b-6a)
7 years agogreenman28 NorCal 7b/8a
7 years agoLauren (Zone 9a)
7 years ago
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tapla (mid-Michigan, USDA z5b-6a)