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some of those I found useful are the University of Conneticut Plantdatabase (woody perennials) http://www.hort.uconn.edu/Plants/index.html Plants for a Future (no pics, loads of infos) http://www.pfaf.org/index.php helpmefind roses (pics, infos advanced search) http://www.helpmefind.com/rose/roses.php clematis on the web http://www.clematis.hull.ac.uk/new-clemalphasearch.cfm hemerocallis species list http://www.hemerocallis-species.com/HS/HS_homee.htm Ohio State University Plant Facts http://hcs
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I consulted Michael Dirr's monography on Viburnums*: He mentions as possible causes for dieback: Sudden Oak Death (SOD), but this seems to attack V. onlyoccasionally, at least in the US, Dirrs home (initial browning on a leaves tip, spreading in a V-shape towards base, dropping, individual stems die, even the whole plant); Botryosphaera canker , specific to viburnums (leavess on affected branches wilt & die, "branches die back and become covered with dark-brown to black pimple-like fungal
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OT (or not ?) GardeningFin, thx for link to these videos.
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kandeakay, that is interesting information, did't know about Pershore distance learning. Thx. I know that HCC offers the full range of RHS prep courses up to the master.
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pinnih, how are you getting along with the advanced at learning curve?
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as to the height and diameter: I would expect to be the height of the dome about half the diameter, 'cause your're building a hemisphere, essentially. So, the size would depend on the length of the wands you get hold of (for your calculation you have to substract the overlap, and the part of the wands which is planted). I've seen dirt, sand, leafmould and bark so far in willow structures. In my opinion, the material should help to prevent overly compaction of the soil, and to keep it
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or you could apply at Kew (or somewhere else) to work as an intern for a couple of hours each week. They do take on volunteers, as far as I know (it is an old information though, and I do live abroad, so it might not be accurate anymore).
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I worked more or less the same way as squirrel. During the course going by the (in my case extensive) course notes, highlighting stuff, commenting, or noting cross references to other parts, editing duplicate information (helps too!) etc. Used the net a lot for additional information. For revision I used these books: 'Science in the Garden' (very good), 'Principles of Horticulture' (good, esp. on explanations), the Red Book, and the course notes (which really covered everything relevant
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it looks like one of the variegated Miscanthus sinensis cultivars, like Miscanthus-sinensis 'Variegatus' . But the pics are pretty small (I can't discern the seedheads in the second one) and the link is leading to a dead end, and not a larger version of the pic :-\.
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congrats and toasts to all of you. Well done.
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