Group 6 Large Shrubs-2010

Group 6 Large Shrubs-2010 - Clethra alnifolia Summersweet...

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Clethra alnifolia Summersweet Clethra Clethraceae Native to: NE US z4 Adaptation: Prefers moisture – wet soil  Poor on dry soil (mites) Shade (Leaf scorch in sun)  Use: Partial shady, wet areas Shrub border
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* Significant Features: White, very fragrant flowers in July (and August).   Attracts bees! Clethra alnifolia Summersweet Clethra Clethraceae 
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Significant Features:  ‘Rosea’ has pink flower buds   Pink flowers fade to white Clethra alnifolia Summersweet Clethra Clethraceae 
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Cornus sericea Redosier Dogwood Cornaceae Native to: Eastern NA (z2) Adaptability: Tolerates most conditions, Leaf blight and twig cankers Use: ( 7’-9’ by 10’+) Massing or screening Arching branches root  in the ground  a thicket
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Significant Features: White 1.5”-2.5” flowers (May-June) Round white fruits in Fall (Aug-Oct) ID Tip: Less abundant lenticels vs C. alba Cornus sericea Redosier Dogwood Cornaceae
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Significant Features: Reddish fall foliage Red stems by late summer Cornus sericea Redosier Dogwood Cornaceae
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‘Flaviramea’  Bright yellow twigs  ‘Silver and Gold’  creamy irregular margins  Yellow-green leaves and stems Cornus sericea Redosier Dogwood Cornaceae
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Eleutherococcus  sieboldianus   Fiveleaf Aralia  Araliaceae Native to: Japan (z4) Adaptation: Tolerates poor, dry sites  Tolerates shade well Gets leggy - needs renewal pruning Aggressive, suckers on good soil Uses: 8-10’spreading shrub  One or more prickles can make  maintenance difficult
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Significant Features Leaves: Palmately- compound  Five leaflets Rich green color Form on spurs Fruits: Interesting  Rarely present  Needs male pollinator   Eleutherococcus  sieboldianus   Fiveleaf Aralia  Araliaceae
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Fiveleaf Aralia  pruned as a hedge ‘Variegatus’  6-8’  (usually 5’) Not as vigorous as species  Shade Good espalier Eleutherococcus  sieboldianus   Fiveleaf Aralia  Araliaceae
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Euonymus alatus Winged Euonymus Celastraceae Native to:  Northern Asia (z4) Adaptability: Widely tolerant of site conditions       (though not very wet or dry) Tolerates pruning well. Scale insects can be a problem Use:  15-20’ upright  horizontal branches
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Significant Features: Corky wings on twigs (smaller on ‘Compactus’) Red dehiscent fruits  Orange arils Fruits are toxic Weedy, by seeds Flame-red leaves in fall Aril is the fleshy orange seedcoat
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Forsythia x intermedia Border Forsythia Oleaceae F. suspensa  var.  fortunei  x  F. viridissima
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This note was uploaded on 02/23/2012 for the course HORT 217 taught by Professor Staff during the Fall '08 term at Purdue.

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Group 6 Large Shrubs-2010 - Clethra alnifolia Summersweet...

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