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Fri, Dec 14, 12 at 8:49
| I have a new dwarf tree fern - Blechnum gibbum - and was curious about ideal substrate and fertilizing. Most of my houseplants are in either the 5-1-1 or gritty mix, but I've read that Blechnum is an acid lover. The grower has in potted in what appears to be 100% spaghnum peat and is thriving. Also, any harm in transplanting now? It is way oversized for its small container and very rootbound. |
Follow-Up Postings:
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| The few sights I checked for pH preferences were saying 5.5-6.5, which isn't particularly acidic for containers. I'd worry first about the structural properties and stability of the substrate before pH, and control the pH (if you think it's necessary - I don't) either by using acid-forming fertilizers or preadjusting my irrigation water with white vinegar, citric/sulfuric acid .... Al |
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- Posted by fortyonenorth 6b (My Page) on Fri, Dec 14, 12 at 22:02
| Thanks Al. I'm thinking along those same lines. I'm using something pretty close to the 5-1-1 which should be OK. This is a small plant and won't be in this container or more than a year. |
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- Posted by fortyonenorth 6b (My Page) on Sat, Dec 15, 12 at 7:11
| Thanks Al. I'm thinking along those same lines. I'm using something pretty close to the 5-1-1 which should be OK. This is a small plant and won't be in this container or more than a year. |
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