HomeDahlia VarietiesCompare › Kelvin Floodlight vs Hamari Sunshine

Kelvin Floodlight vs Hamari Sunshine

Two giant yellow dahlias that dominate the show bench. Kelvin Floodlight is the classic AA Formal Decorative; Hamari Sunshine is a slightly smaller Informal Decorative.

Botanical illustration of Kelvin Floodlight dahlia

Kelvin Floodlight

0002

Giant (>10") Formal Decorative, Yellow

Botanical illustration of Hamari Sunshine dahlia

Hamari Sunshine

2102

Medium (6-8") Informal Decorative, Yellow

Side-by-Side Comparison

Kelvin FloodlightHamari Sunshine
ADS Code00022102
SizeGiant (>10")Medium (6-8")
FormFormal DecorativeInformal Decorative
ColorYellowYellow
Height4–5 ft3–4 ft
Bloom SeasonMidsummer to first frostMidsummer to first frost
StakingYesYes
PinchingPinch the center shoot when 12" tall to encourage branching. For exhibition-size blooms, disbud side shoots leaving one terminal bud per stem.Pinch the center shoot at 12" tall for bushier growth and more blooms. Disbudding is optional but produces larger individual flowers.
Hardiness Zones8-118-11

About These Varieties

Kelvin Floodlight: Historic giant yellow formal decorative since 1959. Still competitive in shows after 65+ years.

Hamari Sunshine: Bright yellow giant formal decorative. Cheerful massive dinnerplate blooms.

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