Blue Boy Dahlia
Description
Blue Boy is a classic, high-impact dahlia with richly saturated purple-blue blooms that read as deep indigo in the garden and make striking cut flowers. Its full, formal decorative form creates a lush, rounded silhouette on strong stems, offering dependable production for bouquets and late-summer color. Plant Blue Boy where its moody tones can contrast with creams, pinks, and oranges for a dramatic, designer look.
Specifications
| Form | FD |
|---|---|
| Color | L |
| Bloom size | 5" |
| Plant height | 4 ft |
| Hybridizer | Roy Takeuchi |
| Year introduced | 1980 |
| Country of origin | USA |
How to grow Blue Boy
Blue Boy is a FD with 4 ft tall with 5-inch blooms. Plant tubers 12–18 inches apart in full sun after the last frost. Pinch when plants reach 12 inches tall to encourage bushier growth and more blooms.
Harvest & vase life
FD-form dahlias like Blue Boy harvest dahlias when blooms are three-quarters to fully open. With clean cuts and fresh water, most varieties last 4–7 days in the vase.
Similar dahlia varieties
- 20th Ave & Baker Rd — FD, W
- 20th Ave Pure Prince — FD, L
- 20th Ave Rayna — FD, DP
- 20th Ave Softer Peach — FD, PK
- AC Devin — FD, DB
- Ace Summer Sunset — FD, LB
Frequently asked questions
How tall does Blue Boy grow?
Blue Boy grows to about 4 ft.
What color is Blue Boy?
L — ADS color classification for Blue Boy.
Who hybridized Blue Boy?
Roy Takeuchi, introduced in 1980.
Is Blue Boy good for cut flowers?
Yes. Dahlias are among the most popular cut flowers for home and market growers. Expect 4–7-day vase life with proper hydration.