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Decorative Dahlia
Dahlia 'Alva's Supreme'

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Dahlia (DAHL-ya) (Info)
Cultivar: Alva's Supreme
Hybridized by Frost
Registered or introduced: 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

Gardeners' Notes:

0
positives
1
neutral
0
negatives
RatingContent
Neutral

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).