J. A. Robertson:
Dahlia 1
J. A. Robertson:
Dahlia 2
J. A. Robertson:
Dahlia 3
J. A. Robertson:
Dahlia 4
J. A. Robertson:
Dahlia 5
J. A. Robertson:
Dahlia 6
J. A. Robertson:
Dahlia 7
J. A. Robertson:
Dahlia 8
J. A. Robertson:
Dahlia 9
J. A. Robertson:
Dahlia, Van Wilgen Garden Center, North Branford, Connecticut
J. A. Robertson:
Dahlia, Longwood Gardens Dahlia Show, Kennett Square, Pennsylvania
J. A. Robertson:
Planting Fields Arboretum, Oyster Bay, New York
J. A. Robertson:
Dahlia, Planting Fields Arboretum, Oyster Bay, New York
J. A. Robertson:
Hicks Nursery, Westbury, New York
J. A. Robertson:
Dahlia, Longwood Gardens Dahlia Show, Kennett Square, Pennsylvania
J. A. Robertson:
Dahlia, Longwood Gardens Dahlia Show, Kennett Square, Pennsylvania
J. A. Robertson:
Dahlia, Longwood Gardens Dahlia Show, Kennett Square, Pennsylvania
J. A. Robertson:
Dahlia, Longwood Gardens Dahlia Show, Kennett Square, Pennsylvania
J. A. Robertson:
Dahlia, Wave Hill, Riverdale, Bronx, New York
J. A. Robertson:
Dahlia, Wave Hill, Riverdale, Bronx, New York
J. A. Robertson:
Dahlia, Clark Botanic Gardens, Roslyn Heights, New York
J. A. Robertson:
Dahlia, Old Westbury Gardens, Old Westbury, New York
J. A. Robertson:
Dahlia, Old Westbury Gardens, Old Westbury, New York
J. A. Robertson:
Dahlia, Old Westbury Gardens, Old Westbury, New York
J. A. Robertson:
Dahlia, Old Westbury Gardens, Old Westbury, New York
J. A. Robertson:
Dahlia, Planting Fields Arboretum, Oyster Bay, New York
J. A. Robertson:
Dahlia, Planting Fields Arboretum, Oyster Bay, New York
J. A. Robertson:
Dahlia, Planting Fields Arboretum, Oyster Bay, New York
J. A. Robertson:
Dahlia, Planting Fields Arboretum, Oyster Bay, New York
J. A. Robertson:
Dahlia, Planting Fields Arboretum, Oyster Bay, New York
