Longfield Gardens Dahlia Collections
Best floral variety for home gardeners seeking vibrant seasonal color.
These curated bulb collections take the guesswork out of color theory, delivering a professional-grade garden display with minimal planning. You sacrifice the ability to hand-pick every single variety, but you gain a perfectly harmonious, pollinator-friendly border that keeps your vases full from midsummer until the first frost.
$49.99
at
Costco
More Dahlia Collections options
Who it's for
- Home gardeners seeking a professional, coordinated aesthetic with minimal effort
- Floral enthusiasts who want a steady supply of homegrown arrangements
- Reliability-focused growers who want to avoid the frustration of duds
Who should skip it
- Low-maintenance gardeners living in regions with freezing winter temperatures
- Busy individuals who prefer plants that don't require structural maintenance
- Hands-off gardeners unwilling to monitor for and manage common pests
Performance breakdown
Bloom Duration
Continuous flowering from midsummer until the first frost is exceptional.
Arrangement Versatility
Long stems and curated color palettes make bouquet creation effortless.
Pollinator Impact
High nectar production reliably draws butterflies and bees to the garden.
Planting Simplicity
Straightforward depth and spacing requirements make establishment accessible for beginners.
Hardiness Range
Broad adaptability across USDA zones 3 through 11 offers impressive flexibility.
Visual Impact
Coordinated color blends create an immediate, professional-grade aesthetic in borders.
Key Specs
Plant Type
Flower
Plant Species
Dahlia
Flower Type
Dahlia
Quantity per Pack
12 bulbs
Mature Height
40 inches
Mature Spread
24 inches
Planting Depth
6 inches
Spacing
20 inches
Bloom Season
Summer, Fall
Sun Exposure
Full Sun to Partial Sun
Know before you buy
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