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Summer

Seasonal Bloom Calendar

June

Early

Catalpa bignonioides (Southern catalpa)

Catalpa x hybrida

Catalpa ovata (Chinese catalpa)

Cladrastis kentukea (Yellowwood)

Cornus kousa (Kousa dogwood)

Deutzia scabra (Fuzzy deutzia)

Diervilla lonicera (Northern bush honeysuckle)

Hydrangea anomala petiolaris (Climbing hydrangea)

Ligustrum obtusifolium ‘Regelianum’ (Regal border privet)

Magnolia macrophylla (Bigleaf hydrangea)

Philadelphus species and cultivars (Mock-orange)

Ptelea trifoliata (Hoptree)

Rhododendron fortunei

Rosa species and cultivars

Spiraea x bumalda

Syringa reticulata varieties (Tree lilac)

Tilia dasystyla (Caucasian bigleaf linden)

Trochodendron aralioides (Japanese wheel tree)

Mid

Diervilla lonicera (Northern bush honeysuckle)

Hydrangea arborescens cultivars (Smooth hydrangea)

Hydrangea quercifolia cultivars (Oakleaf hydrangea)

Magnolia grandiflora (Southern magnolia)

Magnolia virginiana (Sweetbay magnolia)

Magnolia virginiana x grandiflora

Rhododendron minus (Piedmont azalea)

Rosa species and cultivars

Sorbaria tomentosa (Kashmir false-spirea)

Tilia cordata (Littleleaf linden)

Tilia platyphyllos ‘Laciniata’ (Cutleaf bigleaf linden)

Mid-Late

Callicarpa species (Beautyberries)

Hydrangea macrophylla ‘Bailmer’ (Endless Summer® hydrangea)

Hydrangea macrophylla ‘Mariesii Perfecta’ (Blue Wave hydrangea)

Hydrangea ‘Preziosa’

Magnolia grandiflora (Southern magnolia)

Magnolia virginiana (Sweetbay magnolia)

Magnolia virginiana x grandiflora

Rhododendron maximum (Rosebay rhododendron)

Rosa species and cultivars

Schizophragma hydrangeoides (Japanese hydrangea-vine)

Stewartia monadelpha (Tall stewartia)

Stewartia pseudocamellia (Japanese stewartia)

Stewartia pseudocamellia koreana (Korean stewartia)

Stewartia rostrata (Beaked stewartia)

Tilia x europaea (European linden)

Late

Ehretia acuminata (Koda)

Hovenia dulcis (Japanese raisintree)

Hydrangea macrophylla ‘Bailmer’ (Endless Summer® hydrangea)

Hydrangea macrophylla ‘Mariesii Perfecta’ (Blue Wave hydrangea)

Hydrangea ‘Preziosa’

Koelreuteria paniculata (Golden raintree)

Lonicera species (Vining honeysuckles)

Rhododendron maximum (Rosebay rhododendron)

Rosa species and cultivars

Sorbaria kirilowii (Large false-spirea)

Stewartia monadelpha (Tall stewartia)

Stewartia pseudocamellia (Japanese stewartia)

Stewartia pseudocamellia koreana (Korean stewartia)

Stewartia rostrata (Beaked stewartia)

  

July

Early

Abelia chinensis 

Abelia x grandiflora (Glossy abelia)

Aesculus parviflora (Bottlebrush buckeye)

Clethra acuminata (Cinnamon clethra)

Clethra barbinervis (Japanese clethra)

Dipteronia sinensis (fruit)

Fuchsia (hardy species)

Hemerocallis (Daylilies)

Hydrangea aspera sargentiana (Sargent hydrangea)

Hydrangea macrophylla (most hybrids and cultivars)

Ligustrum quihoui (Waxyleaf privet)

Rhamnella franguloides

Rosa cultivars

Late

Clethra alnifolia (Summersweet)

Evodia (Tetradium) daniellii (Korean beetree)

Hosta cultivars

Hydrangea aspera sargentiana (Sargent hydrangea)

Hydrangea paniculata ‘Unique’ (Peegee hydrangea)

Rhododendron prunifolium (Plumleaf azalea)

Rosa cultivars

Vitex

August

Clethra alnifolia (Summersweet)

Evodia (Tetradium) daniellii (Korean beetree)

Franklinia alatamaha (Ben Franklin tree)

Hydrangea paniculata (Peegee hydrangea) cultivars

Lagerstroemia species and cultivars (Crape-myrtle)

Rosa cultivars

Vitex

Note:

Bloom times vary depending on weather, especially during winter and the winter–spring transitional period; bloom times vary less in late spring, summer, and autumn.

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