OSU Phenology Garden Network








Summit: F.A. Seiberling Nature Realm
2017 Data

View year:
Plant Name

 First Bloom

End of Bloom

Date GDD Date GDD
Lenten rose 3/7/2017     
Gold Tide forsythia 'Courtasol' 3/24/2017  4/28/2017  26 
Star magnolia 'Royal Star' 3/30/2017  4/26/2017  24 
PJM rhododendron     5/8/2017  28 
Leopardbane 'Magnificum'        
Koreanspice viburnum 4/12/2017  14  4/26/2017  24 
Crabapple 'Coralcole'     5/8/2017  28 
Common lilac 'Charles Joly'     4/24/2017  22 
Chinese Lilac 'Red Rothomagensis'     5/10/2017  29 
Common lilac 'President Grevy'        
Vanhoutte spirea        
Hybrid sage 'May Night'        
False indigo        
Manchurian Lilac 'Miss Kim' 5/8/2017  28     
Potentilla fruticosa 'Abottswood' 5/8/2017  28     
Siberian iris 'Anniversary'        
Perennial geranium 'Nimbus'        
Dianthus gratianopolitanus 'Tiny Rubies'        
Weigela 'Red Prince'        
Arrowwood viburnum 'Ralph Senior'        
Redosier dogwood 5/10/2017  29     
Beardtongue 'Husker Red'        
Bumald spirea 'Goldflame'        
Cutleaf elderberry 'Laciniata'        
Oakleaf hydrangea        
Daylily 'Raspberry Pixie'        
Butterfly weed        
Purple coneflower 'Magnus'        
Bee balm 'Raspberry Wine'        
Rose-of-Sharon 'Blushing Bride'        
Garden phlox 'David'        
Sedum 'Autumn Joy'        
Japanese Anemone 'Honorine Jobert'        
Blue Giant Hyssop(Anise Hyssop)        
White Prairie Clover        
Rattlesnake Master        
Common Boneset        
Sweetscented Joe Pye Weed        
Wild Bergamot        
Clustered Mountainmint        
Pinnate Prairie Coneflower        
Swamp Verbena        
Culver's Root        
Golden Zizia 5/12/2017  30     


3/22 Forsythia went from bud to brown due to temps in teens on day buds were ready to open - only a few survived to open.���
4/17/2017 I only saw 1 blossom on the Star Magnolia - it's in the pics I'm sending so others may have been on earlier, but it is definitely the last!���