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Annual/Biennial Varieties  2 3 4 5 6 7 8 9 10 11 12  Gentiana thunbergii In general, gentians require a moist well-drained soil in a sheltered position, a certain minimum of atmospheric humidity, high light intensity but a site where temperatures are not too high[239]. They are ther... [MORE] Gentianella quinquefolia Requires a damp humus-rich soil and should be planted in a situation approaching its native habitat[200].... [MORE] Geranium bicknellii 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 should succeed outdoors in most parts of this country. The following notes a... [MORE] Geranium robertianum Succeeds in any moderately fertile retentive soil in a sunny position[200]. Tolerates a wide range of soil types[200], succeeding in dry soils[238]. Grows well on woodland edges[24]. The whole plant has an unp... [MORE] Gnaphalium luteoalbum Requires a sunny position in a well-drained soil[200].... [MORE] Hyoscyamus albus Prefers a hot dry position[200] in a wall or rock crevice[187]. Succeeds in a well-drained fertile soil, preferably of an alkaline nature, in full sun[200]. Grows well in maritime areas[200]. Plants are possib... [MORE] Hyoscyamus niger Prefers a sunny position[4] and a dry soil[19]. Succeeds in ordinary garden soil[1] but prefers an alkaline soil[200]. Plants succeed in sandy spots near the sea[4]. Cultivated commercially as a medicinal plan... [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] 2 3 4 5 6 7 8 9 10 11 12 Page 5 of 12 containing Annual/Biennial Varieties |