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Plant & Garden Varieties beginning with O Page 9 of 20 containing botanical plant names begining with the letter O. 155 Varieties Listed in Total 9 10 11 12 13 14 15 16 17 18 
Opuntia polyacantha Requires a sandy or very well-drained soil[160]. Prefers a pH in the range 6 to 7.5[200]. Must be kept fairly dry in winter but likes a reasonable supply of water in the growing season[200]. A position at the b... [MORE] Opuntia ramosissima Requires a sandy or very well-drained soil[160]. Prefers a pH in the range 6 to 7.5[200]. Plants must be kept fairly dry in winter but they like a reasonable supply of water in the growing season[200]. A positi... [MORE] Orchis coriophora Easily grown in full sun in a moist sandy loam[42].
Orchids are, in general, shallow-rooting plants of well-drained low-fertility soils. Their symbiotic relationship with a fungus in the soil allows them to ob... [MORE] Orchis italica Requires a deep rich soil[1]. Best grown in a sunny position in a well-drained bank and a loamy soil[42].
Plants are fairly hardy in Britain but, because they come into growth in the winter, they are best cult... [MORE] Orchis laxiflora Requires a deep rich soil[1]. Plants can succeed in drier areas of bog gardens[230].
Orchids are, in general, shallow-rooting plants of well-drained low-fertility soils. Their symbiotic relationship with a fun... [MORE] Orchis mascula Succeeds in most soils, but it prefers a moist loam and lots of leaf mould[42]. Requires a deep rich soil[1]. Grows well in full sun or partial shade[42], doing well in a woodland garden[230]. It also succeeds ... [MORE] Orchis militaris Easily grown on a good loamy soil[42]. Requires a deep rich soil[1]. Prefers a chalky soil[42].
Orchids are, in general, shallow-rooting plants of well-drained low-fertility soils. Their symbiotic relationship... [MORE] Orchis morio Prefers a sunny position and a good loamy soil[42]. Requires a deep rich soil[1]. Grows well in a sunny dry border or on a scree[230].
Orchids are, in general, shallow-rooting plants of well-drained low-fertil... [MORE]
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Page 9 of 20 containing O Varieties 155 Varieties Listed in Total
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