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International Flower Bulb Centre
DAHLIA 'Doris Day'
Cactus Dahlia, Dahlia, Doris Day Dahlia
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Dahlias are nearly unrivaled as everblooming bedding plants or cut flowers. 'Doris Day' is cactus-type dahlia flower because of the numerous narrow petals. This hybrid, introduced in 1952, produces double (numerous extra petal rows), cardinal red flower heads. Each blossom usually measures 4 to 6 inches (10 to 15 cm) across. Remove the spent flowers to encourage continued flower production up until frost. The dahlia is a herbaceous, warm-season, tender perennial with bulbous underground tubers. The compound deep green foliage is made of oval and pointed leaflets with toothed margins.
Dahlias prefer well-drained, fertile soil and full to partial sun. The most beautiful flowers occur when nights are comfortably cool and days warm and sunny. Hybrid dahlias are often grown from divisions of tuberous roots and cuttings to preserve their unique characteristics. Dahlias are cold sensitive and their tuberous roots should be lifted and overwintered in cool dry locations where winters are harsh. In hot, humid subtropical regions the dahlia is best grown in the late fall and winter with the start of the dry season. In windy garden locations, stake the central stems of this dahlia to prevent toppling.
12 - 1
8 - 11
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Bulb or Corm or Tuber
Full Sun, Partial Sun
34"-42" / 86.4cm - 106.7cm
20"-26" / 50.8cm - 66.0cm
Bedding Plant, Container, Cutflower, Mixed Border
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