Flower Farm Vernonia lettermannii Iron Butterfly
Best low maintenance perennial for late season pollinator gardens.
A resilient, compact perennial that brings late-season color to tough, dry landscapes. It excels as a low-maintenance pollinator magnet, offering feathery purple blooms that stand up to heat and deer alike.
$19.00
at
White Flower Farm
Who it's for
- Gardeners seeking low-maintenance plants for arid or rocky landscapes
- Nature enthusiasts looking to support local biodiversity and beneficial insects
- Landscape designers wanting sophisticated texture and year-round visual interest
Who should skip it
- Impatient gardeners who want early-season growth and immediate green coverage
- Homeowners with poorly draining clay soil or low-lying garden beds
- Flower lovers desiring consistent, season-long color from a single plant
Performance breakdown
Pollinator Attraction
A powerhouse nectar source that draws bees and butterflies consistently.
Drought Resilience
Thrives in dry, gravelly soils where other perennials struggle to survive.
Deer Resistance
Reliably ignored by browsing deer, saving your garden from unwanted damage.
Maintenance Ease
Requires minimal intervention once established, perfect for low-effort landscape designs.
Seasonal Interest
Provides structural foliage early on and vibrant blooms late in summer.
Hardiness Range
Versatile adaptability across zones 4 through 9 offers broad regional utility.
Key Specs
Hardiness Zone
4-9
Mature Height
30-36 inches
Spacing
30-36 inches
Bloom Time
August-September
Light Exposure
Full Sun to Partial Shade
Watering Needs
Low
Deer Resistant
Yes
Drought Tolerant
Yes
Attracts Pollinators
Yes
Soil Type
Gravelly, sandy, or average
Know before you buy
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