Robinia pseudoacacia 'Purple Robe™'
Plant Expert:
Michael Dirr Robinia pseudoacacia 'Purple Robe™'
Michael Dirr
Robinia pseudoacacia 'Purple Robe™'
Robinia pseudoacacia 'Purple Robe™' (click for large image)
Purple Robe™ Black Locust, Purple Robe™ Common Locust
Common Names:
  • Purple Robe™ Black Locust
  • Purple Robe™ Common Locust
 
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Sun/Water Requirements:

  Requires full sun.
Moderate to dry conditions.

Climate / Hardiness Zones:

  Zone 4 to Zone 8

Growth:

  Range: Grows from 30' to 50'.
Dirr says: "One of the prettiest forms with dark rose-pink flowers on a compact rounded tree that will probably never exceed 30 to 40'"

Flowers:

  Color(s): Pink
Season(s): Late Spring

Dirr says: "The flower color much deeper than R. hispida and R. fertilis; this form flowers about 10 to 14 days earlier than 'Idaho' and over a longer period."  

Foliage:

  Deciduous
Color: Leaves are dark green and bluish-green in the summer and yellow and green in the fall.
Dirr says: "The new growth emerges bronze red."  

Fruit:

  Color: Brown, Black
Season(s): Fall
 

Landscape Value:

  Can be used as an ornamental plant.
Can be used as a shade tree.

Dirr says: "May be the same as 'Rouge Cascade'. One nursery reference listed this a seedless; have seen listed as a R. x ambigua form."

Other:

  Is Resistant to Drought
Is Salt Tolerant
 
Robinia pseudoacacia 'Purple Robe™' 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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