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Plant & Garden Varieties beginning with O Page 10 of 20 containing botanical plant names begining with the letter O. 155 Varieties Listed in Total 10 11 12 13 14 15 16 17 18 19 
Orchis ustulata Prefers a sunny position and a good limey loam soil[42]. Requires a deep rich soil[1].
Orchids are, in general, shallow-rooting plants of well-drained low-fertility soils. Their symbiotic relationship with a f... [MORE] Oreomyrrhis hookeri We have almost no information on this species and do not know if it will be hardy in Britain, though judging by its native range it should succeed outdoors in many parts of the country. It is likely to require ... [MORE] Origanum compactum We have very little information on this species and do not know if it will be hardy in Britain. The following notes are based on the general needs of the genus.
Requires a rather dry, warm, well-drained soil, ... [MORE] Origanum creticum We have very little information on this species and do not know if it will be hardy in Britain. We are not even sure if this is a valid name since it does not appear in 'Flora Europaea'. The following notes are... [MORE] Origanum dictamnus Requires a rather dry, warm, well-drained soil, but is not fussy as to soil type, thriving on chalk[1]. Prefers slightly alkaline conditions[1].
This species is not fully hardy in Britain according to one repo... [MORE] Origanum glandulosum We have very little information on this species and do not know if it will be hardy in Britain. The following notes are based on the general needs of the genus.
Requires a rather dry, warm, well-drained soil, ... [MORE] Origanum heracleoticum Requires a rather dry, warm, well-drained soil, but is not fussy as to soil type, thriving on chalk[1]. Prefers slightly alkaline conditions[200]. Thrives in the open in a dry soil in Britain[4].
Members of th... [MORE] Origanum isthmicum We have very little information on this species and do not know if it will be hardy in Britain. The following notes are based on the general needs of the genus.
Requires a rather dry, warm, well-drained soil, ... [MORE]
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Page 10 of 20 containing O Varieties 155 Varieties Listed in Total
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