Saturday 22 September 2012

Allium fistulosum



Name:  Allium fistulosum
Common Name:
 Green onion
Family:
   Alliaceae
        Deciduous             Evergreen             Shrub            Ground Cover              
        Annual         Coniferous             Tree             Climber          x   Herbaceous                     
    x     Perennial
Habit:
Upright
Hard. Zone: 
Zone 5 USDA
(-29 to -23)                
Mature Size:
Height 0.4-0.7m.x Spread 0.3-0.6m


Leaf: Form-Simple, Venation-parallel,
Shape-Linear, Colour-Green, Bases-Sheathing, Surfaces-Glabrous     

Fall/Winter Color:

       Leaf Arr.        Opposite         Alternate         Whorled         Spiraled         
         Clustered      x   Basal

Flowers: Perfect, Corolla shape-Rotate, Colour(petals)-White(yellow anthers)


Infl.: Umbel

Jan.     Feb.      March.      April.      May.      June.     ( July.)     August.      Sept.      Oct.      Nov.      Dec.  (Flower peaks in July)
Water Use:
       High          Low

Soil:
       Rich       Lean      
    x   Well-drained

Exposure:
   x    Sun       Semi-shade                   
       Shade
Landscape uses:
Herb, Food Source,
Urban agriculture


Limitations: pest susceptibility-Root rot specifically Fusarium bulb rot
Other Features:  Propagate by seed or division, dead head to prevent seed spread

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