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PlantFiles: Decorative Dahlia
Dahlia 'Alva's Supreme'

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Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Dahlia (DAHL-ya) (Info)
Cultivar: Alva's Supreme
Hybridized by Frost; Year of Registration or Introduction: 1956

» View all varieties of Dahlias

Section:
Decorative

Flower Size:
Large - 8 to 10 inches (200 to 250 mm) diameter

Bloom Color:
Yellow

Pruning:
Unknown - Tell us

Height:
36-48 in. (90-120 cm)

Spacing:
18-24 in. (45-60 cm)

Foliage:
Herbaceous

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater
Flowers are good for cutting

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Danger:
Unknown - Tell us

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral saya On Mar 1, 2013, saya from Heerlen
Netherlands (Zone 8b) wrote:

'Alva's Supreme' has pale yellow, double flowerheads 25cm diameter, the florets slightly deeper yellow at the base. This dahlia has received the Royal Horticultural Society's Award of Garden Merit (AGM).



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