High Country Gardens Blue Boy Dahlia
Best unique floral choice for gardeners seeking dramatic, long-lasting summer color.
These rare lilac-blue blooms offer a sophisticated, moody alternative to the typical saturated dahlia palette. While their impressive height demands a bit of extra effort with staking, the reward is a season-long display that elevates both your garden beds and cut flower arrangements.
$23.99
Who it's for
- Gardeners seeking sophisticated color palettes for their landscape
- Floral designers creating long-lasting, dramatic indoor arrangements
- Landscapers wanting high-impact blooms throughout the late season
Who should skip it
- Cold-climate gardeners wanting low-maintenance, permanent garden fixtures
- Botanists specifically searching for true blue flower pigments
- Busy homeowners preferring hands-off, low-maintenance plant varieties
Performance breakdown
Visual Impact
Rare lilac-blue tones provide a sophisticated focal point for any garden.
Bloom Longevity
Consistent flowering from midsummer through the first frost extends seasonal interest.
Pollinator Appeal
Active nectar production reliably draws butterflies and hummingbirds to your landscape.
Floral Utility
Large dinnerplate blooms make for dramatic, long-lasting additions to cut arrangements.
Maintenance Ease
Upright growth habit requires staking to prevent damage during heavy winds.
Climate Versatility
Thrives as a perennial in warm zones but requires lifting in colder climates.
Key Specs
Ships As
Bulb, Rhizome, Tuber
Flower Size
6-8 inches
Mature Height
40.0 inches
Planting Depth
1 to 2 inches
Spacing
12.0 inches
Hardiness Zones
8-10 (Perennial); Zones 3-7 (Annual)
USDA Hardiness Zones
Zone 3, Zone 4, Zone 5, Zone 6, Zone 7, Zone 8, Zone 9, Zone 10
Plant Life Cycle
Annual, Perennial
Sun Exposure Requirement
Full Sun
Bloom Season
Late Summer, Fall
Know before you buy
Still have a question?
Ask Metto anything about the High Country Gardens Blue Boy Dahlia before you decide.