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Plant & Garden Varieties beginning with I Page 12 of 14 containing botanical plant names begining with the letter I. 107 Varieties Listed in Total 4 5 6 7 8 9 10 11 12 13 14 
Iris versicolor Prefers growing in marshy conditions[1]. Very easily grown in any damp soil[42]. Prefers a heavy rich moist soil[4] and partial shade[188]. Prefers a sunny position[233].
Plants are hardy to about -25°c[187].
... [MORE] Isatis glauca Prefers a well-drained fertile soil in a sunny position[14, 200]. Succeeds in ordinary garden soil[1].... [MORE] Isatis indigotina We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it could succeed outdoors in many parts of this country. It is cultivated as a ... [MORE] Isatis japonica We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it could succeed outdoors in many parts of this country. The following notes ar... [MORE] Isatis lusitanica We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it could succeed outdoors in many parts of this country. The following notes ar... [MORE] Isatis tinctoria An easily grown plant, it prefers a well-drained fertile soil in a sunny position[14], though it succeeds in ordinary garden soil[1]. Prefers neutral to alkaline conditions[238]. Plants deplete the soil of nutr... [MORE] Isodon rugosus Not known... [MORE] Isopogon ceratophyllus Plants tolerate temperatures down to about -7°c in Australian gardens, though this cannot be applied directly to British gardens due to our cooler summers that fail to fully ripen the wood and our longer, wette... [MORE]
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Page 12 of 14 containing I Varieties 107 Varieties Listed in Total
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