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Biennial Varieties Page 6 of 15 containing Biennial Varieties 115 Varieties Listed in Total 5 6 7 8 9 10 11 12 13 14 15 
Carduus nutans Succeeds in a sunny position in ordinary garden soil[1, 200].
The flowers, and indeed the whole plant, give off a pleasing musk-like perfume[245]. The plant is very attractive to bees, hoverflies and butterfli... [MORE] Carlina vulgaris Succeeds in a sunny position in ordinary garden soil[1]. Prefers an alkaline soil[138]. Prefers a poor soil[4, 200].
Plants are hardy to about -15°c[200].
The presence of this species in a meadow usually indi... [MORE] Carum carvi Succeeds in ordinary garden soil as long as it is not too wet in winter[1]. Prefers a moist soil in full sun or partial shade[4, 200]. Tolerates a pH in the range 4.8 to 7.6.
Caraway is a well-known herb that ... [MORE] Centaurea calcitrapa Succeeds in ordinary garden soil[1, 200]. Prefers a well-drained fertile soil and a sunny position[200]. Tolerates dry, low fertility and alkaline soils[200].
Members of this genus are rarely if ever troubled ... [MORE] Centaurea iberica Succeeds in ordinary garden soil[1, 200]. Prefers a well-drained fertile soil and a sunny position[200]. Tolerates dry, low fertility and alkaline soils[200].
This species is closely related to C. calcitrapa.
... [MORE] Chaerophyllum bulbosum An easily grown plant, succeeding in almost any soil[1], though it prefers a moist soil[27]. Tolerates a pH in the range 4.6 to 7.
The turnip-rooted chervil is occasionally cultivated for its edible root[46, 6... [MORE] Chaerophyllum tuberosum 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] Cichorium endiva Succeeds in any moderately fertile well-drained soil[200]. Prefers a medium to light sandy or gravelly soil that is rich in humus[1, 34, 37]. Prefers a sunny position[200] but with light shade in the summer to ... [MORE]
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Page 6 of 15 containing Biennial Varieties 115 Varieties Listed in Total
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