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5
Step Program: May
Andromeda
Bog
Rosemary
Aronia
Azalea – ‘Northern Lights’ Series & Exbury
Azalea Vaseyi
Barberry – red, yellow and variegated foliage
Calycanthus
Cytisus – all cultivars
Daphne – ‘Carol Mackey’
Deutzia – all cultivars
Enkianthus
Euonymus – ‘Emerald Gaiety’, ‘Emerald
‘n Gold’, ‘Canadale Gold’, ‘Moonshadow’,
‘Sunrise’
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Evergreen
Azalea – all cultivars
Fothergilla – all cultivars
Kerria – all cultivars
Leucothoe – all cultivars
Pieris – ‘Mountain Fire’
Prunus – Beach Plum, Sand Cherry
Rhododendron – all Yak & smirnowii hybrids
Rhododendron – large leaf cultivars
Rhododendron – small leaf varieties
Spirea – ‘Snowmound’ and van houtti
Syringa Lilac ‘Miss Kim’ and palabin
Syringa Lilacs – french hybrids & vulgaris types
Viburnum – most cultivars |
Aesculus
– all cultivars
Caragana – Weeping Peashrub
Cercis canadensis
Chionanthus
Cornus florida ‘Cherokee Brave’ – Dogwood
Fruit Trees – including apples, cherries, peaches, pears
& plums
|
Halesia
Malus – Crabapple – all cultivars
Prunus – Ornamental Cherry & Plums – all cultivars
Pyrus – Ornamental Pears – all cultivars |
Ajuga
– Bugleweed
Aquilegia – Columbine – all cultivars
Armeria maritime – Sea Thrift
Asarum – Ginger
Brunnera macrophylla – Siberian Bugloss
Clematis ‘Dr. Ruppel’, ‘Blue Bird’,
‘Bee’s Jubilee’, montana rubens and other
varieties
Delphinium ‘Blue Mirror’- Delphinium
Dianthus – Dianthus – selected cultivars
Dicentra exima – Wild Bleeding Heart
Dicentra spectabilis – Bleeding Heart
Epimedium – Barrenwort
Fragaria – Ornamental strawberry – all cultivars
Galium odoratum – Sweet Woodruff
Geranium – selected cultivars
Heuchera sanguinea – Coral Bells cultivars
Iberis – Candy Tuft
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Iris
germanica – German Iris
Lamiastrum – Yellow Archangel
Lavandula – all varieties
Lewisia – all selections
Lupinus – Lupine
Myosotis – Forget-Me-Not
Nepeta Catmint – all cultivars
Papaver nudicaule – Iceland Poppy
Papaver orientale- Oriental Poppy
Rosmarinus – Rosemary cultivars
Sagina – all cultivars
Santolina incana nana – Lavender Cotton
Scabiosa – Pincushion Flower
Sempervivem – Hens & Chicks
Tiarella – Foam Flower cultivars
Verbena – ‘Homestead Purple’
Veronica – assorted varieties
Vinca – Myrtle |
Festuca
– Blue Fescue
Helictotrichon – Blue Oat Grass
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