Until DNA analysis can prove otherwise, it is this classification which is accepted here.
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in 1880, the plant was not introduced to cultivation until 1915, by Purdom and Farrer.
Buddleja | Buddleja davidii | Buddleja crispa | Buddleja alternifolia 'Argentea' | ''Buddleja alternifolia'' 'Argentea' | Buddleja × weyeriana | ''Buddleja'' × ''weyeriana'' | Buddleja 'West Hill' | Buddleja 'Pink Delight' | Buddleja 'Lochinch' | Buddleja davidii var. nanhoensis | Buddleja × weyeriana 'Sungold' | Buddleja utahensis | Buddleja 'Summer Beauty' | Buddleja nitida | Buddleja 'Mayford Purple' | Buddleja globosa | Buddleja diffusa | Buddleja davidii 'Fascination' | Buddleja davidii 'Border Beauty' | ''Buddleja crispa'' var. ''agathosma'' | Buddleja asiatica | Buddleja albiflora |
Buddleja 'Autumn Surprise' is a hybrid cultivar arising from a cross of Buddleja crispa with Buddleja alternifolia 'Argentea' made by chief propagator Peter Moore of the Longstock Park Nursery, Stockbridge, England.
Raised by Peter Moore, Chief Propagator at the Longstock Park Nursery in Hampshire, England, the cultivar is the result of a crossing of Buddleja crispa var. agathosma and Buddleja alternifolia 'Argentea', released to commerce in 2010.