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Biennial Varieties Page 14 of 15 containing Biennial Varieties 115 Varieties Listed in Total 5 6 7 8 9 10 11 12 13 14 15 
Smyrnium perfoliatum Succeeds in most soils but prefers an open sunny position in a well-drained moisture retentive soil[1, 200].... [MORE] Sonchus oleraceus Succeeds in most soils in a sunny position.
This plant has been cultivated for its edible leaves by the Maoris of New Zealand[153].
The plant is a good companion for onions, tomatoes, corn as well as the cucu... [MORE] Tragopogon coloratus 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 many parts of the country. The following notes ar... [MORE] Tragopogon cupani 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 many parts of the country. One report says that i... [MORE] Tragopogon hispanica 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 many parts of the country. There is no record of ... [MORE] Tragopogon porrifolius Succeeds in ordinary garden soils, including heavy clays[4, 200]. Plants do not grow well in stony soils[4]. Prefers an open situation[37] and a cool moist root run[14, 20].
Salsify is occasionally cultivated ... [MORE] Verbascum densiflorum Succeeds in most well-drained soils, including dry ones, preferring a sunny position[200]. Dislikes shade and wet soils[200]. Thrives on chalk[200]. Prefers a light soil[200].
Plants are hardy to about -20°c[1... [MORE] Verbascum lychnitis An easily grown plant, it succeeds in most well-drained soils, including dry ones, preferring a sunny position[200]. Dislikes shade and wet soils[200]. Thrives on chalk[200]. Prefers a light soil[200].
Hybridi... [MORE]
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Page 14 of 15 containing Biennial Varieties 115 Varieties Listed in Total
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