Ilex crenata 'Convexa'
Plant Expert:
Michael Dirr Ilex crenata 'Convexa'
Michael Dirr
Ilex crenata 'Convexa'
Ilex crenata 'Convexa' (click for large image)
Convexa Box-leaved Holly, Convexa Japanese Holly
Common Names:
  • Convexa Box-leaved Holly
  • Convexa Japanese Holly
More Images:
Convexa Box-leaved Holly, Convexa Japanese Holly Convexa Box-leaved Holly, Convexa Japanese Holly
 
Share on Facebook Share on Facebook
 
   Questions? Talk about this plant in our Message Board
 

Sun/Water Requirements:

  Can tolerate both shady and sunny conditions.
Moderate climate.

Climate / Hardiness Zones:

  Zone 5 to Zone 8

Dirr says: "One of the hardiest forms; severely injured at -20°F"

Growth:

  Range: Grows from 5' to 10'.
Dirr says: "ro-year-old plant somewhat vase-shaped in habit but extremely dense is 9' tall and 24' wide; takes pruning for hedging"

Flowers:

  Season(s): Spring
 

Foliage:

  Broadleaf Evergreen
Color: Leaves are dark green in the summer.
Dirr says: "leaves 1/2" long, convex above, concave beneath"  

Fruit:

  Color: Black
Season(s): Fall
Dirr says: "a female clone that is often heavy with fruits."  

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
Dirr says: "susceptible to iron and nitrogen deficiency and spider mites."  
Ilex crenata 'Convexa' 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
close tag



 


Garden Pilot is © 10-20 Media, Inc. in partnership with our data providers.
Any unauthorized reproduction or distribution is prohibited.