Allium x ‘Ostrara’ (Ornamental Onion)

 

 

 

 

 

Deep purple spherical flower heads reach 4-6" in diameter. A cross of A. atropurpureum and A. karataviense. More compact in height, with wide blue-green foliage that holds up well.

  • Plant Patent: n/a
  • Container Size:
  • USDA Zone: 4-8
  • Height: 16-20”
  • Spread: 6”
  • Sun Exposure: full sun
  • Soil Moisture: dry to average
  • Bloom Time: late spring to early summer
  • Bloom Color: dark purple
  • Foliage Color: green
  • US Native: no
  • Wildlife Benefit: pollinators
  • Notes: deer tolerant
  • Image Credit: