Is Cedar Grove composting good for me?
robinwise
17 years ago
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maro
17 years agodrcindy
17 years agoRelated Discussions
cedar mulch isn't composting - preservatives maybe?
Comments (10)I agree that cedar isn't harmful to people. Anyway, I sent an email to the soil and mulch council explaining my predicament (see original post above) and I got the following response: Thank you for your inquiry. I sent your message to experts at North Carolina State Univ. for their suggestions and advice. Here is what they said... This is unusual. I am not sure of the cause, but here are the possible scenarios that I can envision. The lack of decomp can be because: 1) the layer stayed dry, 2) had something in it to prevent decomp or 3) was a different material that had a slower decomp rate. 1. The material could have a fungus on it that was hydrophobic, preventing water from getting to it and slowing decomp. Check for dryness and/or mycelium (grey strands) on the layer. 2. It could have been a different material or a blend of material like cedar and hardwood that left only the hardwood. The hardwood can be hydrophobic. 3. It could be a blend with CCA treated materials or perhaps recycled cedar shingles that were treated with preservative. Either would slow the process down. I could check a sample with the XRF. The condition of the layer would tell us a lot. Does it look like cedar, just not decomposed? Does it look like it did when she put it down, or somehow different? Is it dry or moist? We do not have enough information to advise on the cause of the undecomposed layer of material. The Council does not normally do consumer testing; however, your situation is intriguing. If you would like to send a sample for CCA testing, you can send a one gallon ziplock bag to... I'll send them a sample and let you know the result!...See MoreUsing redwood compost in soil - good or bad?
Comments (13)Spag, It will basically look like horse manure still. Since you are sourcing in Woodside I am going to assume you are on the penninsula. That makes your soil a bit better than mine (concrete solid clay). My methodology will be a bit different from yours, but here is what I do. I made a screen out of just a piece of 1/2" steel netting (like chicken wire) and nailed it to a wood frame from old 2x4's. Then I screen the manure thru this to break down the clumps into 1/2" size. ( I do this bothto reduce the "clumping" of the manure and to make sure not too much "foreign" matter gets into the beds. I then laid out where my raised beds were going to be and dug 8-12" of the clay out (dang stuff is like concrete!). Then I built my 12" raised beds over the top of that hole. Once that was done I put my screened horse manure in (that brought the "soil" level back to the original ground line) and dug that manure into the clay (evening out the soikld condition as much as possible). So far I have "prepped" 3 6x8 foot beds this way using about 4 cubic yards of screened manure. Now I have lasagna bedded up to the top of the 12" raised bed for the fall-winter (alternate 3" layers of shredded paper mixed with tree clippings/leaves and "grens") Those beds will then be topped off with the compost piles I have running in spring to bring the level back to the top of the raised bed (the lasagna bedding will reduce by about 1/2-2/3 as it composts). Its a few weekends of work, but worth the effort. I would suggest to you that you probably won't need to go as far as I have since your original soil is probably better than this "santa clara clay" (as I keep hearing it called) I have. So you probab;y can just make the raised bed and turn the soil over with some of the manure, then just keep toppping it with the compost as needed...... Its the first "conditioning" that always takes the most work. Oh and the pine shavings are no problem at all, they will break down over time and won;t hurt the plants...See MorePlease help me design a good conifer planting...
Comments (21)Ok, what is it with these plants - more often than not, I see a nice photo of a beautiful evergreen and it takes my breath away! I'm liking the looks of Chamaecyparis nootkatensis 'glauca pendula'. It doesn't look particularly blue in the photos I've seen. Any thoughts on how it will look next to this pyramidalis stuff? Gosh I would love to get rid of those (they don't take my breath away!). The textures seem like they could be too similar. Green arrow is probably a bit too narrow - but maybe it is just because I am seeing pictures of juvenile plants? I will definitely have some mini conifers in the area in front of the house. I have been known to leave the nursery with those cute little ones that fit great in a winter pot (but get quickly buried in a summer pot). Maybe someday my 6" dwarf hinoki nana lutea will be big enough to go in the garden... I saw a Picea Omorika "Riverside" a few weeks ago. It was a nice tree, but it looks like the spread is up to 15, which might be a bit much for me. A lady I was talking to at the nursery said she really likes the Vanderwolf Limber Pine. It was a very soft tree, 15-20 high x 8-10 wide the tag said. I've been looking for pictures of some of the cedrus deodar narrow forms - in particular, quiksilver was one I read about but haven't seen anywhere. What about cedrus atlantica's here in the PNW? Do they do ok? I see the weeping blue atlas cedar everywhere, but fastigiata looks interesting... So, I have to laugh about the "how to move a rhody" discussion. I have never been "gentle" to them when moving them. I stick that shovel in wherever I can get it through the roots and then lever them out and drag them across the yard by whatever means I can to a better spot. I started out moving them in the fall or spring, but have done a couple in the height of summer. I swear you can't kill those things here. One of them blew over in an ice/wind storm while I was out of town and was sideways for a couple weeks before being put back in the ground. It didn't even blink. I have to believe there are people in the PNW that consider them weeds they are so tough! And I love them for that!...See MoreCedar Grove compost bad this year?
Comments (6)Re: What was the purpose of the 1/2 sand and in particular the gravel? My attempt at getting good drainage in some raised berms, (that will stay raised and not just get 'used up' and sunken as pure compost might) that would also approximate the "soil" --alderwood gravel-- beneath, and hopefully not create a perched layer. I read somewhere that the rock gardens folks use something called quarter ten gravel for their gardens. ( 1/4 -10) but never could fine a source so tried to make up my own. We'll see.... First full year and a half of growth looks great, (so far) And hoping the moles and worms do a good job of mixing from here on out....See Moreian_wa
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