American Meadows Purity Cosmos Seeds
Best low-maintenance annual for gardeners seeking elegant, pollinator-friendly white blooms.
These seeds offer the ultimate low-effort, high-reward garden staple for those who want effortless elegance. While you sacrifice the complexity of rare perennials, you gain a reliable, drought-tolerant bloom machine that keeps your landscape buzzing with pollinators from midsummer straight through to the first frost.
$17.05
Who it's for
- Novice gardeners seeking low-maintenance, reliable blooms
- Floral designers needing versatile, elegant white filler flowers
- Eco-conscious gardeners looking to support local pollinator populations
Who should skip it
- Gardeners wanting a hands-off, low-maintenance landscape
- Minimalists who prefer to avoid seasonal weeding and replanting
- Residents in humid climates prone to fungal plant diseases
Performance breakdown
Germination Reliability
Cosmos seeds are famously forgiving and sprout with minimal effort.
Pollinator Impact
High-nectar white blooms act as a magnet for local beneficial insects.
Drought Resilience
Once established, these plants thrive even during dry summer spells.
Bloom Duration
Provides a consistent floral display from midsummer straight through to frost.
Landscape Versatility
Ideal for borders, cutting gardens, or large-scale mass plantings.
Maintenance Requirements
Low-input annuals that require very little attention to look spectacular.
Key Specs
Botanical Name
Cosmos bipinnatus 'Purity'
Life Cycle
Annual
Mature Height
36-60" tall
Light Requirements
Full Sun, Partial Sun
Soil Moisture
Dry, Average
Bloom Time
Summer to fall
Seed Coverage (1/4 lb)
covers 990 sq ft.
Seed Coverage (1 lb)
covers 3,960 sq ft.
USDA Hardiness Zones
Zone 2-11
Plant Height
48.0 inches
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