Dahlia 'City of Leiden'

Also known as: Dahlia hybrids 'City of Leiden'

Dahlia 'City of Leiden' is a unique semi-cactus dahlia noted for its coral-pink blooms and bronze-colored foliage. It is a dahlia hybrid named for the historical Dutch city of Leiden. Gardeners like dahlia 'City of Leiden' for its bold vibrant colors, autumnal flowering, and that it can be grown in pots. It is also good for cutting.

Scientific classification

Asters bellflowers fanflowers and allies

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Toxic to Pets

Toxicity

Annual

Lifespan

Herb

Plant Type

60 cm

Plant Height

50 cm

Spread

Deciduous

Leaf type

Care Guide for Dahlia 'City of Leiden'

Twice per week

Water

Full sun

Sunlight

20 - 38 ℃

Ideal Temperature

Water: Dahlia 'City of Leiden' requires consistent watering due to its large leaves, but its fleshy roots are prone to rot. During drought, water promptly, and ensure good drainage in rain. Seedlings need less water; increase for mature plants, ideally watering before/after sunrise or sunset.

Fertilize: Dahlia 'City of Leiden' thrives in fertile soil. Apply a thin liquid nitrogen-rich fertilizer every 10-15 days early on, shifting to phosphate-potassium later. After flower buds appear, increase frequency to every 7-10 days, stopping once buds color. Monitor leaf conditions for signs of nutrient balance.

Pruning: Dahlia 'City of Leiden' requires timely pruning for optimal blooms. Begin in early spring by cutting back old stems, then remove dead or weak parts later. Consistent removal of spent flowers enhances vigor. Proper pruning improves air circulation, reduces disease risk, and guarantees a vibrant display.

Propagation: Propagation of dahlia 'City of Leiden' includes root division, cutting, and sowing. Root division involves planting tubers at 15℃, producing about five seedlings. Cutting is preferred for faster rooting; buds should be cut when 3-5 cm, planted in moist sandy soil, and typically root in about a week. Sowing is used for breeding, with blooms expected in 1-2 years.

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