Dahlia 'Alva's Doris'

Also known as: Dahlia hybrids 'Alva's Doris'

Dahlia 'Alva's Doris' is a unique semi-cactus noted for its stark red flowers. It is a dahlia cultivar introduced by Frost in 1966. Horticulturalists like that it is deer resistant, frost hardy, and is summer and autumnal flowering.

Scientific classification

Asters bellflowers fanflowers and allies

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Toxic to Pets

Toxicity

Annual

Lifespan

Herb

Plant Type

1.2 m

Plant Height

Care Guide for Dahlia 'Alva's Doris'

Twice per week

Water

Full sun

Sunlight

20 - 38 ℃

Ideal Temperature

Water: Dahlia 'Alva's Doris' thrives with large leaves, requiring ample water, but its fleshy roots risk rot from excess moisture. Water during drought promptly, ensuring good drainage. Seedlings need less water, while mature plants require increased hydration in sunny conditions, ideally watered before sunrise or after sunset.

Fertilize: Dahlia 'Alva's Doris' thrives in fertile soil, requiring liquid fertilizer every 10-15 days during early stages, shifting to phosphate-potassium later. Fertilization should cease once flower buds show color, and stop during high temperatures. Symptoms of deficiency or excess include light leaves or scorched edges.

Pruning: Dahlia 'Alva's Doris' thrives with regular pruning, including deadheading and cutting back old stems for robust growth. Optimal pruning occurs from early to late spring, enhancing bloom production and plant health while preventing diseases. Adhering to horticultural guidelines is essential for effective care.

Propagation: Propagation methods for dahlia 'Alva's Doris' include root division, cutting, and sowing. Root division is easy and yields multiple seedlings. The cutting method is preferred for faster rooting, requiring temperatures above 25℃ for optimal survival. Sowing is used in breeding, with blooms appearing 1-2 years later.

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