Dahlia 'Black Diamond' Obtenteur : Selbach (USA) 1947

autumn dahlia perennial plant fall season long lived plants multiannual plant multiannual plants long lasting plant long lasting plants long lived plant perennial plants perennials perennial temperate season seasons atmosphere compositae / asteraceae asterales dicotyledoneae angiospermae spermatophyta / phanerogamae tracheophyta embryophyta chlorobionta archaeplastida eukaryota growing cycle species particularity species