Guides/Dahlia

Dahlia ‘Blue Boy’

Dahlia spp.

No photograph yet

Color

Lavender Blue

Days to cut

75–90 days

Status

planned

Catalog ID

CF-113

Dahlia 'Blue Boy' captivates with its extraordinary lilac-blue to lavender-pink double blooms that reach an impressive 5 inches in diameter. This decorative dahlia variety stands tall on sturdy stems surrounded by lush green foliage, creating a striking visual impact in any landscape. Perfect for professional landscapers and garden centers looking to offer clients a unique color option that performs beautifully from mid-summer through early fall. - Unique lilac-blue coloration that's rare in the dahlia world, providing a distinctive selling point - Large 5-inch decorative blooms with perfectly formed petals that create dramatic visual impact - Sturdy 32-inch stems ideal for professional cut flower arrangements and bouquets - Excellent vase life when properly harvested and conditioned - Attracts beneficial pollinators including butterflies and hummingbirds - Continuous blooming from early summer through late summer for extended seasonal interest

How it grows

Germination

Days to germ.
3–5 d
Depth
0.25 in

Culture

Days to maturity
75–90 d
Spacing
9–18 in
Height
36–72 in
Sun
Sun
Frost
tender

Harvest

Trials

No trials yet.

Other Observations

Notes not filed against a sowing. Everything else sits with its trial above.

No loose observations — every note belongs to a sowing.

This variety’s year

JanFebMarAprMayJunJulAugSepOctNovDec
Sow indoorsApr 9
Outdoor / directMay 21 – Jun 18
See the whole season

Other Dahlia varieties

Species overview