Characteristics Garden Flowers Adenophora, Lady Bells. Height of plant (cm) higher 100 cm. Fragrant flower no fragrance. Type of stem erect. Flower size large. Shelter in winter shelter is not required. Cold hardiness zone 4 (-34 to -29°C), 3 (-40 to -34°C), 7 (-18 to -12°C), 6 (-23 to -18°C), 5 (-29 to -23°C), 8 (-12 to -7°C). Method of cultivation non seedlings. Flower color lilac, light blue. Landscape use flowerbed, specimen. Light needs semi-shade, full sun. Timing of flowering july, june. Water needs high. Not poisonous plant. Lifetime perennial. Loamy soil. Frost resistance. Neutral soil.