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Perennial Varieties  9 10 11 12 13 14 15 16 17 18  Aegopodium podagraria Prefers damp shady conditions[12, 13, 200] but succeeds in most soils[200]. Prefers a well-drained soil, succeeding in sun or shade[238]. Plants are hardy to at least -15°c[200]. This species was formerly cul... [MORE] Agalinis tenuifolia Requires a well-drained soil, preferably on the dry side[257]. Grows well in a woodland garden[257]. This species is not very hardy outdoors in Britain, tolerating temperatures down to between -5 and -10°c[257... [MORE] Agastache cana Prefers a sunny sheltered position and a well-drained sandy loam enriched with leaf-mould[111, 200]. Best if given a hot dry position in full sun[187]. Plants are only hardy in the milder areas of Britain[111,... [MORE] Agastache foeniculum Prefers a sunny position and a dry well-drained soil[187, 200]. This species is not hardy in the colder areas of the country, it tolerates temperatures down to between -5 and -10°c[200]. The young growth in s... [MORE] Agastache mexicana Prefers a warm sunny sheltered position and a well-drained soil. Succeeds in most soils. Although given a hardiness rating of 9 in [200] (which means that a plant is not very frost-tolerant), this species is ... [MORE] Agastache neomexicana We have very little information on this species and do not know if it will be hardy in Britain. The closely related A. pallidiflora (some authorities consider this species to be no more than a sub-species of A.... [MORE] Agastache rugosa Prefers a sunny sheltered position and a well-drained soil[200]. This species is not hardy in the colder areas of the country, it tolerates temperatures down to between -5 and -10°c[200]. The flowers are very... [MORE] Agastache urticifolia Prefers a warm sunny sheltered position and a well-drained soil. Succeeds in most soils. This species is not hardy in the colder areas of the country, it tolerates temperatures down to between -5 and -10°c[200... [MORE] 9 10 11 12 13 14 15 16 17 18 Page 9 of 327 containing Perennial Varieties |