March

1^st–15^th              

Corylus species (hazelnut)

Jasminum nudiflorum (winter jasmine)

16^th–31^st           

Cornus mas (cornelian cherry)

Cornus officianalis (japanese cornelian cherry)

Corylopsis glabrescens (winterhazel)

Lonicera standishii (honeysuckle species: purpusii & frangrantissima)

Viburnum Farreri & utile (viburnum species)

April

1^st–10^th              

Abeliophyllum disticum (white forsythia)

Forsythia species (golden bells)

Viburnum Farreri

Magnolia stellata species (depending on temperature)

11^th–17^th           

Corylopsis grove (winterhazel)

Magnolia stellata (star magnolias)

Magnolia “Betty”

Magnolia X Proctorina

Prunus species

Cercidiphyllum japonica (katsura princess tree)

18^th–24^th           

Magnolia soulangiana (saucer magnolia)

Magnolia salicifolia

Magnolia “Elizabeth”

Chaenomeles (flowering quince)

25^th–30^th           

Malus species (crab apples)

Pyrus species (chinese and common pear)

Rhododendron schlippenbachii (royal azaleas)

Rhododendron yeddoense (korean azalea)

Fothergilla gardeni & F. major (witch alder)

Poncirus trifoliate (hardy orange)

Syringa hyacynthaflora cultivars (lilacs)

May

1^st–8^th
Syringa hyacynthaflora cultivars (lilacs)

Syringa vulgaris cultivars (lilacs)

Davidia involucrata (handkerchief tree)

Davidia involucrate “Vilmoniana” (handkerchief tree)

Wisteria sinensis (chinese wisteria)

Halesia caroliniana (silverbells)

Corus florida (flowering dogwood)

9^th–15^th             

Syringa vulgaris cultivars (lilacs)

Aesculus cultivars (horsechestnuts)

Davidia involucrata (handkerchief tree)

Davidia involucrate “Vilmoriana” (ghost trees)

Peonies (from seed developed by Laura Barnes)

Peonia suffruticosa (tree peonies)

Rhododendron carolinianum (carolina rhododendron)

Cotoneaster species

16^th–22^nd           

Aesculus species (horsechestnuts)

Rhododendron calendulaceum (flame azaleas)

Chionanthus retusus (chinese fringe tree)

Chionanthus virginicus (old man’s beard, native fringe tree)

Magnolia acuminate (cucumber tree)

Magnolia pyrimadata    

Sorbus torminalis (wild service tree)

Paeonia suffruticosa (tree peonies)

Peonies (from seed developed by Laura Barnes)

Syringa prestonae cultivars (lilacs)

Phellodendron species (chinese cork trees)

Cotoneaster species

23^rd–26^th           

Kolkwitzia amabalis (beautybush)

Kalmia latifolia (mountain laurel)

Azalea species

Rhododendron species

Weigela cultivars

Viburnum cultivars

27^th–June 3^rd   

Magnolia sieboldii (parrot’s eye magnolia)

Early roses         

Philadelphus species (mock orange)

Kalmia latifolia (mountain laurel)

Liriodendron tulipifera (tulip poplar)

Liriodendron chinense (chinese tulip poplar)