A new and distinct cultivar of Chrysanthemum plant named ‘；DLFBLAN1’；, characterized by its upright plant habit； vigorous growth habit； dark green-colored leaves； uniform and freely flowering habit； strong upright flowering stems with numerous inflorescences； anemone-type inflorescences with white-colored ray florets and yellow green-colored disc florets； excellent postproduction longevity； and relatively tolerant to low and high temperatures.
