The Barnes Foundation
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Summer

Seasonal Bloom Calendar

June

1st–12th              

Syringa reticulate (tree lilacs)

Rose species

Philadelphus species (mock orange)

Deutzia species

Hydrangea anomela petiolaris (climbing hydrangea)

13th–19th           

Rhododendron minus (Piedmont azalea)

Spiraea cultivars

Hydrangea species

Roses

20th–26th           

Stewartia monodelpha                 

Stewartia koreana

Stewartia serrata

Magnolia grandiflora (bull bay)

Magnolia grandiflora “Praecox Fastigiata”

Magnolia virginiana (sweetbay)

Magnolia virginiana x grandiflora

Rhododendron maximum (rosebay)

Roses

Callicarpa species (beautyberry)

27th–30th           

Hovenia dulcis (japanese raisin tree)

Koelreuteria paniculata (golden rain tree)

Stewartia monodelpha

Stewartia koreana

Stewartia serrata

Hydrangea quercifolia (oakleaf hydrangea)

Rhododendron maximum (rosebay)

Sorbaria arborescens (false spiraea)

 

July

1st–15th              

Abelia chinensis

Abelia x grandiflora (glossy abelia)

Aesculus parviflora (dwarf horsechestnut)

Roses

Nandina domestica (heavenly bamboo)

16th– 31st           

Clethra barbinervis (japanese clethra)

Clethra alnifolia (sweet pepperbush)

Hydrangea aspera Sargentiana

Rhododendron prunifolium (plum-leaf azalea)

Buddleia davidii cultivars (butterfly bush)

Roses

 

August

1st–15th              

Clethra alnifolia (sweet pepperbush)

Clethra barbinervis (japanese clethra)

Buddleia davidii cultivars (butterfly bush)

16th–31st           

Buddleia davidii cultivars (butterfly bush)

Franklinia alatamaha (franklin tree)

Fruit evident on some plants

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