GDD - MASSILLON

The GDD of MASSILLON on 5/20/2013 is 430

Summary of Phenological Events

Species	Event	Growing Degree Days	Link
Species	Phenological Event	GDD	Link
Silver Maple	first bloom	34
Corneliancherry Dogwood	first bloom	40
Silver Maple	full bloom	42
Red Maple	first bloom	44
Speckled Alder	first bloom	52
Northern Lights Forsythia	first bloom	58
Japanese Pieris	first bloom	60
Red Maple	full bloom	75
Star Magnolia	first bloom	83
White Pine Weevil	adult emergence	84
Border Forsythia	first bloom	86
Eastern Tent Caterpillar	egg hatch	92
Manchu Cherry	first bloom	93
Northern Lights Forsythia	full bloom	94
Speckled Alder	full bloom	97
Corneliancherry Dogwood	full bloom	98
Norway Maple	first bloom	116
Border Forsythia	full bloom	116
Chanticleer Callery Pear	first bloom	123
Sargent Cherry	first bloom	127
Larch Casebearer	egg hatch	128
Japanese Pieris	full bloom	129
Saucer Magnolia	first bloom	133
Exotic Ambrosia Beetle	first adult emergence	136
Common Floweringquince	first bloom	137
Bradford Callery Pear	first bloom	142
European Pine Sawfly	egg hatch	144
Weeping Higan Cherry	first bloom	145
PJM Rhododendron	first bloom	147
Norway Maple	full bloom	149
Chanticleer Callery Pear	full bloom	149
Inkberry Leafminer	adult emergence	150
Star Magnolia	full bloom	151
Sargent Cherry	full bloom	151
Allegheny Serviceberry	first bloom	153
Spring Snow Crabapple	first bloom	155
Manchu Cherry	full bloom	155
Apple Serviceberry	first bloom	159
Compact Garland Spirea	first bloom	159
Spruce Spider Mite	egg hatch	162
Bradford Callery Pear	full bloom	164
Allegheny Serviceberry	full bloom	169
Saucer Magnolia	full bloom	174
PJM Rhododendron	full bloom	178
Weeping Higan Cherry	full bloom	179
Boxwood Psyllid	egg hatch	179
Apple Serviceberry	full bloom	182
Common Chokecherry	first bloom	182
Koreanspice Viburnum	first bloom	185
Regent Serviceberry	first bloom	186
Japanese Flowering Crab	first bloom	189
Eastern Redbud	first bloom	191
Gypsy Moth	egg hatch	192
Donald Wyman Crabapple	first bloom	197
Snowdrift Crabapple	first bloom	198
Compact Garland Spirea	full bloom	205
Koreanspice Viburnum	full bloom	205
Azalea Lace Bug	egg hatch	206
Spring Snow Crabapple	full bloom	209
Viburnum Leaf Beetle	first egg hatch	210
Carolina Silverbell	first bloom	213
Common Floweringquince	full bloom	214
Birch Leafminer	adult emergence	215
Coral Burst Crabapple	first bloom	217
Regent Serviceberry	full bloom	219
Elm Leafminer	adult emergence	219
Common Chokecherry	full bloom	221
Alder Leafminer	adult emergence	224
Honeylocust Spider Mite	egg hatch	227
Wayfaringtree Viburnum	first bloom	229
Sargent Crabapple	first bloom	230
Honeylocust Plant Bug	egg hatch	230
Tatarian Honeysuckle	first bloom	233
Common Lilac	first bloom	234
Persian Lilac	first bloom	240
Ohio Buckeye	first bloom	245
Eastern Redbud	full bloom	245
Snowdrift Crabapple	full bloom	250
Donald Wyman Crabapple	full bloom	251
Common Horsechestnut	first bloom	251
Hawthorn Lace Bug	adult emergence	253
Japanese Flowering Crab	full bloom	254
Hawthorn Leafminer	adult emergence	260
Flowering Dogwood	first bloom	263
Coral Burst Crabapple	full bloom	263
Dwarf Fothergilla	first bloom	265
Red Buckeye	first bloom	265
Carolina Silverbell	full bloom	266
Japanese Kerria	first bloom	268
Blackhaw Viburnum	first bloom	269
Imported Willow Leaf Beetle	adult emergence	274
Red Chokeberry	first bloom	281
Wayfaringtree Viburnum	full bloom	290
Sargent Crabapple	full bloom	298
Persian Lilac	full bloom	303
Umbrella Magnolia	first bloom	304
Red Horsechestnut	first bloom	304
Pine Needle Scale	egg hatch - 1st generation	305
Cooley Spruce Gall Adelgid	egg hatch	308
Eastern Spruce Gall Adelgid	egg hatch	308
Vanhoutte Spirea	first bloom	309
Common Lilac	full bloom	315
Pink Princess Weigela	first bloom	316
Blackhaw Viburnum	full bloom	322
Redosier Dogwood	first bloom	323
Dwarf Fothergilla	full bloom	325
Winter King Hawthorn	first bloom	328
Lilac Borer	adult emergence	330
Slender Deutzia	first bloom	338
Japanese Kerria	full bloom	342
Common Horsechestnut	full bloom	344
Red Chokeberry	full bloom	351
Doublefile Viburnum	first bloom	353
Pagoda Dogwood	first bloom	363
Red Java Weigela	first bloom	365
Black Cherry	first bloom	368
Optimal time to spray for gypsy moth		370
Common Sweetshrub	first bloom	371
Lesser Peach Tree Borer	adult emergence	372
Ohio Buckeye	full bloom	374
Holly Leafminer	adult emergence	375
Euonymus Scale	egg hatch - 1st generation	406
Ohio Pioneer Thicket Hawthorn	first bloom	406
Vanhoutte Spirea	full bloom	406
Winter King Hawthorn	full bloom	407
Catawba Rhododendron	first bloom	407
Tatarian Honeysuckle	full bloom	410
Beautybush	first bloom	417
Black Cherry	full bloom	419
Miss Kim Manchurian Lilac	first bloom	422
MASSILLON		430
White Fringetree	first bloom	435
Locust Leafminer	adult emergence	437
Red Horsechestnut	full bloom	440
Boxwood Leafminer	adult emergence	440
Doublefile Viburnum	full bloom	444
Bush Cinquefoil	first bloom	444
Snowmound Nippon Spirea	first bloom	445
Red Prince Weigela	first bloom	446
Pink Princess Weigela	full bloom	446
Redosier Dogwood	full bloom	448
Scarlet Firethorn	first bloom	459
Black Locust	first bloom	467
Ohio Pioneer Thicket Hawthorn	full bloom	470
Red Buckeye	full bloom	471
Common Ninebark	first bloom	478
Pagoda Dogwood	full bloom	479
Umbrella Magnolia	full bloom	480
Sweet Mockorange	first bloom	482
Oystershell Scale	egg hatch	497
Miss Kim Manchurian Lilac	full bloom	498
Smokebush	first bloom	501
Catawba Rhododendron	full bloom	503
White Fringetree	full bloom	517
Arrowwood Viburnum	first bloom	534
American Yellowwood	first bloom	546
Bronze Birch Borer	adult emergence	547
Multiflora Rose	first bloom	548
Black Locust	full bloom	548
Emerald Ash Borer	adult emergence	550
American Holly	first bloom	556
Black Vine Weevil	adult emergence	560
Mountain-laurel	first bloom	565
Scarlet Firethorn	full bloom	565
Red Java Weigela	full bloom	565
Sweetbay Magnolia	first bloom	566
Potato Leafhopper	adult arrival	568
Juniper Scale	egg hatch	571
Snowmound Nippon Spirea	full bloom	583
Beautybush	full bloom	592
Chinese Dogwood	first bloom	593
Common Ninebark	full bloom	596
American Yellowwood	full bloom	599
Smokebush	full bloom	611
Arrowwood Viburnum	full bloom	621
Japanese Tree Lilac	first bloom	622
Bumald Spirea	first bloom	624
Twospotted Spider Mite	egg hatch	627
Bagworm	egg hatch	630
Washington Hawthorn	first bloom	635
American Holly	full bloom	642
Multiflora Rose	full bloom	643
Northern Catalpa	first bloom	675
American Elder	first bloom	707
Sweet Mockorange	full bloom	717
Red Prince Weigela	full bloom	727
Fuzzy Deutzia	first bloom	727
Fletcher Scale	egg hatch - 1st generation	730
Washington Hawthorn	full bloom	731
Calico Scale	egg hatch	748
European Fruit Lecanium Scale	egg hatch	767
Greater Peach Tree Borer	adult emergence	775
Striped Pine Scale	egg hatch	783
Winterberry Holly	first bloom	794
Japanese Tree Lilac	full bloom	808
Rhododendron Borer	adult emergence	815
Northern Catalpa	full bloom	816
Mountain-laurel	full bloom	822
Dogwood Borer	adult emergence	830
Oakleaf Hydrangea	first bloom	835
Cottony Maple Scale	egg hatch	851
Panicle Hydrangea	first bloom	856
Fall Webworm	egg hatch	867
Mimosa Webworm	egg hatch - 1st generation	874
Fuzzy Deutzia	full bloom	884
Winged Euonymus Scale	egg hatch	892
Spruce Budscale	egg hatch	894
Winterberry Holly	full bloom	897
Greenspire Littleleaf Linden	first bloom	899
American Elder	full bloom	909
Southern Catalpa	first bloom	913
Bumald Spirea	full bloom	917
Panicled Goldenraintree	first bloom	924
June Bride Littleleaf Linden	first bloom	953
Azalea Bark Scale	egg hatch	957
Japanese Beetle	adult emergence	970
Rosebay Rhododendron	first bloom	1,010
Greenspire Littleleaf Linden	full bloom	1,047
Southern Catalpa	full bloom	1,073
June Bride Littleleaf Linden	full bloom	1,115
Bottlebrush Buckeye	first bloom	1,158
Ural Falsespirea	first bloom	1,170
Panicled Goldenraintree	full bloom	1,251
Rose-of-Sharon	first bloom	1,347
Pine Needle Scale	egg hatch - 2nd generation	1,349
Mimosa Webworm	egg hatch - 2nd generation	1,920
Euonymus Scale	egg hatch - 2nd generation	1,923
Magnolia Scale	egg hatch	1,938
Banded Ash Clearwing Borer	adult emergence	2,195