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Delaware: OSU Extension Office
2009 Data

Plant Name

 First Bloom

Full Bloom
Date GDD Date GDD
Japanese Anemone        
Gold Tide forsythia        
Butterfly weed        
'Royal Star' star magnolia        
PJM rhododendron        
False indigo        
Koreanspice viburnum        
Purple coneflower        
Dianthus gratianopolitanus 'Tiny Rubies'        
Coralburst crabapple        
Leopardbane        
'Charles Joly' common lilac        
'Red Rothomagensis' Chinese Lilac        
Perennial geranium        
Vanhoutte spirea        
Lenten rose        
'Miss Kim' Lilac        
Daylily        
Redosier dogwood        
'Red Prince' weigela        
Siberian iris        
Autumn Jazz® arrowwood viburnum        
Bee balm        
'Goldflame' bumald spirea        
Beardtongue        
'Abottswood' potentilla        
Garden phlox        
Hybrid sage        
Oakleaf hydrangea        
'Acutiloba' cutleaf elderberry        
Sedum        
'Blushing Bride' rose-of-Sharon        

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