The tallest of the ornamental onions, A. giganteum’s violet purple 5-6" spherical flower heads are held atop lofty 4-foot stems. They certainly stand out in late spring as the striking purple pom-pom blooms sway in the breeze. Strap shaped foliage dies back prior to the flowers’ full maturation.
- Plant Patent: n/a
- Container Size:
- USDA Zone: 5-8
- Height: 3-5’
- Spread: 12”
- Sun Exposure: full sun
- Soil Moisture: dry to average
- Bloom Time: late spring to early summer
- Bloom Color: purple
- Foliage Color: green
- US Native: no
- Wildlife Benefit: pollinators
- Notes: deer tolerant, drought tolerant, black walnut tolerant
- Image Credit: