⭐ Advanced✂ Cut Flower🏆 Exhibition

AC Casper

Show-bench white with reflexed petals draping above sturdy stems.

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Informal Decorative · 8–10"WhiteKen Greenway (2015)United States

AC Casper is an informal decorative dahlia that opens 8–10" blooms in white. Broad pure-white blooms open with spiky reflexed petals that lengthen toward the back, giving each flower a draping silhouette above thick upright stems. Snohomish breeder Ken Greenway released this one in 2015, and it has stayed a fixture at serious exhibition tables ever since. It was bred in United States by Ken Greenway in 2015.

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Availability & pricing

No growers are currently listing AC Casper on The Dahlia Hub.

Specifications

Physical

Form: Informal Decorative
Bloom class: A8–10"
Bloom size: 8–10"(20.3–25.4 cm)
Plant height: 47–71"

Color

Color: White
Pattern: Solid
Tags: whitecreampure whitebridalivory

Growing context

Flowering season: Mid season
Cut flower: ✓ Yes
Exhibition: ✓ Yes
Stem length: 12"

Provenance

2015
United States
Breeder: Ken Greenway

Grower Profile

Difficulty

Advanced

Ideal for

FloristsExhibitors

Growing AC Casper

Stake early because tall canes carry heavy dinner-plate heads that topple in wind. Pinch the tip at twelve inches to push lateral growth and steadier output. Disbud side shoots when you want competition-grade heads rather than garden abundance. Feed moderately through summer and watch for slugs around fresh basal shoots. Cut blooms just as outer rows finish unfurling for the cleanest white presentation.

Spacing: Space about 3 ft apart
Staking: Stake early — stems carry heavy blooms and lean in wind

Frequently asked questions

How tall does AC Casper dahlia grow?

AC Casper reaches 47–71" at maturity, so plan to stake plants early to keep heavy blooms upright.

When does AC Casper dahlia bloom?

AC Casper is a midseason bloomer, in flower from midsummer through first frost.

Is AC Casper dahlia good for cut flowers?

Yes — AC Casper is well suited for cutting, with approximately 5-day vase life. Stems typically reach about 12″.

Is AC Casper hard to grow?

AC Casper is rated challenging — it rewards experienced growers with patience and more attention to staking, feeding, and pest pressure than the average variety.