Dahlia 'Contraste'

Also known as: Dahlia hybrids 'Contraste'

Dahlia 'Contraste' is a double-formed cultivar that was developed for the purpose of becoming a cut flower. Developed by Chevalier in 1950, its parentage is unknown. The French cultivar is named Dahlia 'Contraste' for the contrast between its red petals and white tips. Gardeners may plant the dahlia 'Contraste' as a decorative dahlia for showing purposes.

Scientific classification

Asters bellflowers fanflowers and allies

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Toxic to Pets

Toxicity

60 cm to 90 cm

Plant Height

30 cm to 60 cm

Spread

Deciduous

Leaf type

15 - 35 ℃

Ideal Temperature

Care Guide for Dahlia 'Contraste'

Every week

Water

Full sun

Sunlight

15 - 35 ℃

Ideal Temperature

Water: Dahlia 'Contraste' requires abundant water but is susceptible to root rot. During drought, water promptly; ensure good drainage in rain. Seedlings need less water, while mature plants consume more. Water preferably before and after sunrise or sunset for optimal growth.

Fertilize: Dahlia 'Contraste' prefers fertile soil and requires a thin liquid fertilizer every 10-15 days at the seedling stage, focusing on nitrogen early and phosphate-potassium later. Fertilize every 7-10 days post-flower bud emergence, but halt when buds show color or during high temperatures. Leaf color indicates nutrient levels.

Pruning: Dahlia 'Contraste' showcases large, vibrant blooms and flourishes with attentive care. Prune early to late spring, focusing on dead or weak stems. Regularly pinch spent flowers to encourage ongoing blooms, but avoid over-pruning to prevent stress. Proper timing enhances vigor, prevents disease, and supports a lush display.

Propagation: Propagation methods for dahlia 'Contraste' include root division, which involves planting tubers at 15℃ and dividing them when buds grow, yielding about five seedlings. The cutting method, preferred for faster rooting, utilizes buds measuring 3-5 cm, requiring moist sandy soil and a temperature above 25℃ for optimal survival. Sowing is for breeding, with blooms occurring 1-2 years later.

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