I can't find pine bark fines
bkay2000
11 years ago
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edweather USDA 9a, HZ 9, Sunset 28
11 years agonycgarden
11 years agoRelated Discussions
Substitute Turface in place of Perlite & More pine bark fines Q's
Comments (6)Bone meal breaks down so slowly in containers that you may as well call it ineffectual. I hope you'll consider using dolomitic (garden) lime in its stead, @ 1/3 - 1/2 cup/cu ft. How much blood meal you can/should use depends on a variety of things, chief among them being soil biota population level, which determine how rapidly the nutrients become available, and soil temperatures. Blood meal really encourages fungal growth in containers, but more importantly, it can be extremely difficult to manage in any media that contains a high % of organic materials; it breaks down very quickly & can burn easily; it also loses much of its N through volatilization (gas), and is very high in ammonium (ammonium toxicity becomes a major issue in soils below 55* or above 80*). High soil temperatures inhibit the conversion of ammonium to nitrate, and low temperatures exacerbate ammonium toxicity in organic soils at rates as low as 2 lbs/ cu yd. The cup (1/2 lb) suggested is enough to (by itself) supply maximum nitrification to more than 7 cu ft of soil (>55 gallons), and this doesn't take into account the added N from other sources. This makes the potential for extremely rapid delivery (and burn) very great, with no way to control the rate of delivery. Al...See MoreRoses in Permanent Containers
Comments (13)I use a private nursery blend that is composed of compost, builders course sand and finely ground pine bark mulch. I add Perlite because the pine bark mulch eventually breaks down and I still want a crumbly mix. Also it has been my experience with the Miracle-Gro pre-fertilized type products that they are usually stocked outside and are open to the eliments . The bags are perforated with small holes to allow air to get in. Good idea at first glance, but that also means that moisture from rain or the sprinkler systems can also get inside the bag causing the fertilzer to become active. If you look at the bags of Miracle Gro products left outside you will see that many of the fertilizer granules are already expanded. On annuals it's not that important, on my roses that I intend to get many many years out of I like to start out with the best potting mix available even if it is more expensive or more effort. BTW, I've used the Walmart brand (like Miracle Gro) potting mix on my annuals and it is every bit as good as Miracle Gro( and can also have the same problems). I have not checked out the ORGANIC type potting mix some have mentioned, but again I would double check to make sure that the fertilizer problem has been addressed....See MoreGetting ready for Tomato time, I have questions
Comments (3)Ditto what Bill said. The only thing I would add is that when using my Earthboxes, the answer to this question: 2. Since the potting mix already has fertilizer mixed in(Sta-Green) is the cup of fertilizer mixed into the top 6" of potting mix necessary or will it be to much? Is yes, the cup of fertilizer is still needed. Plus I supplement even that with liquid fertilizers and compost tea throughout the growing season. All the Sta-Green potting mixes I have seen already has both perlite and pine bark fines in it so don't know why you'd need to add more. I don't. Dave...See MoreQuestion for Al
Comments (13)Thanks for the b-day wishes, and for the kind comments! I saw your message, but I'm a few days behind on my 'plant mail' due to a pretty full schedule. I've really only been here at the forums on a hit/miss basis. Given a size choice, I'd choose the fine size, but in my last conversation with Robert, I was left with the impression that if you wanted the fine, you'll need to call ahead (for p/u orders), and you might end up paying more for fine material than small. If you can grow them for a reasonable price, there's a market for whip size popular bonsai species - especially bare-root spring sales. E.g., if you had trident maple and Korean hornbeam, I'd buy 50 of each. Larch is pretty popular, too. Best luck with your venture. I always figured I'd like to do something along the lines of developing prebonsai material when I retire. Al...See Moreopal52
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