Roberta's 4-Piece Allium Giganteum

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A wonderful wow factor for any garden, allium are gorgeous globe-shaped purple flowers atop strong sturdy stems. From Roberta's.

  • Type: perennial
  • Uses: flowerbeds, borders, containers
  • Shipped as: four bulbs
  • Zones: USDA hardiness zones 4 through 9
  • Spacing: 8" to 10" apart
  • Exposure: full to partial sun
  • Water: water well upon planting; regularly during first season
  • Fertilize: recommended after planting and every fall
  • Blooms: early summer
  • Mature Height and Spread: 36"H to 48"H more with a 10"W to 12"W spread
  • Winterize: cut back to ground level when foliage turns yellow
  • 1-year Limited Manufacturer's Warranty
  • Ships at the appropriate time for planting in your area
  • Cannot ship to AK, HI, PR, VI, Guam

Important Details

Roberta's "Gotta Grow" Guarantee

When you are happy, we are happy. Roberta's assures your satisfaction for its perennials for 1 year and its annuals for 90 days from time of shipment. If for any reason your results don't match your expectations Roberta's will replace it with a similar or comparable plant at no charge. If your replacement is not available or it is too late in the season to ship, it will ship the following season.

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