Ilex crenata 'Hetzii'
Plant Expert:
Michael Dirr Ilex crenata 'Hetzii'
Michael Dirr
Ilex crenata 'Hetzii'
Ilex crenata 'Hetzii' (click for large image)
Hetzii Box-leaved Holly, Hetzii Japanese Holly
Common Names:
  • Hetzii Box-leaved Holly
  • Hetzii Japanese Holly
More Images:
Hetzii Box-leaved Holly, Hetzii Japanese Holly
 
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Sun/Water Requirements:

  Can tolerate both shady and sunny conditions.
Moderate climate.

Climate / Hardiness Zones:

  Zone 5 to Zone 8

Dirr says: "appears quite adaptable to Zone 7b conditions, not as cold hardy as 'Convexa', although cold hardiness evaluations vary considerably."

Growth:

  Range: Grows from 5' to 10'.
Dirr says: "larger form of 'Convexa', grows 6 to 8' and several plants on the Georgia campus are easily 10'. Hybrid of 'Convexa' x 'Rotundifolia'"

Flowers:

  Season(s): Spring
 

Foliage:

  Broadleaf Evergreen
Color: Leaves are dark green in the summer.
Dirr says: "bigger (1/2 to 1" long) convex lustrous leaves"  

Fruit:

  Color: Brown
Season(s): Fall
Dirr says: "female and fruits are larger than 'Convexa'"  

Landscape Value:

  Can be used as a foundation plant.
Can be used as a hedge plant.
Can be used as a grouping plant.

Other:

  Is Urban Tolerant
 
Ilex crenata 'Hetzii' is hardy in these areas:
Alsip, ILBaltimore, MDBayside, NY
Bronx, NYBrooklyn, NYBrownsville, TX
Canton, MIChicago, ILCicero, IL
College Point, NYConneaut, OHCorona, NY
Detroit, MIDorset, OHEast Claridon, OH
East Elmhurst, NYEast Greenville, PAEast Texas, PA
Easton, PAEcorse, MIElmhurst, NY
Elmwood Park, ILElyria, OHEmmaus, PA
Evergreen Park, ILFerndale, MIFlorence, SC
Flushing, NYForest Hills, NYFort Eustis, VA
Fresh Meadows, NYGlen Burnie, MDGwynn Oak, MD
Harper Woods, MIHarrison Township, MIHighland Park, MI
Hunt Valley, MDJackson Heights, NYLeasburg, NC
Lexington, NCLiberty, NCLinwood, NC
Little Neck, NYMacomb, MIMarysville, MI
Maspeth, NYMemphis, MIMiddle Village, NY
Morgantown, WVMount Clemens, MINew Baltimore, MI
New Haven, MINew York, NYNewport News, VA
North Ridgeville, OHNorth Street, MINottingham, MD
Oakland Gardens, NYParkville, MDPhiladelphia, PA
Pikesville, MDRego Park, NYRidgewood, NY
Riverdale, ILRosedale, MDSparrows Point, MD
Staten Island, NYTaylor, MITemperance, MI
Towson, MDTrenton, MIVirginia Beach, VA
Wayne, MIWestland, MIWhitestone, NY
Whitmore Lake, MIWoodside, NY
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