Chemistry Courtyard
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A dozen pink-flowering sargent cherry
trees (Prunus sargentii ‘Columnaris’) form a circle in the northwest
corner, backed by a dozen columnar junipers (Juniperus chinensis
‘Hetzii Columnaris’). Five purple-flowering
redbud trees (Cercis canadensis
and Cercis reniformis ‘Oklahoma’) shade the patio, along with one
specimen Japanese maple tree (Acer palmatum var. dissectum
‘Crimson Queen’). Three river birch trees (Betula nigra ‘Heritage’)
provide organic contrast against the sharp buildings. Large understory plants
include crape myrtles (Lagerstroemia indica ‘Natchez’), hollies (Ilex
cornuta ‘Rotunda’ and Ilex verticillata), cherry laurels (Prunus
laurocerasus ‘Otto Luyken’), sweet box (Sarcococca hookeriana var.
humilis), azaleas (Rhododendron ‘Gumpo Pink’), summersweet (Clethra
alnifolia), bluebeard (Caryopteris x clandonensis), gold thread
falsecypress (Chamaecyparis pisifera ‘Filifera aurea’), forsythia (Forsythia
suspensa), fothergilla (Fothergilla gardenii ‘Mt. Airy’),
red-twigged dogwood (Cornus alba ‘Argenteo marginata’), and oakleaf
hydrangea (Hydrangea quercifolia). A wide variety of perennials provide
color in all seasons, including heaths (Erica x darlyensis), lavenders
(Lavandula angustifolia ‘Munstead’), ferns (Athyrium felix-femina
‘Frizelliae’), hostas (Hosta ‘Francee’), bleedinghearts (Dicentra
‘Alba’), daylilies (Hemerocallis x hybrida ‘Stello De Oro’), silver
mound (Artemesia schmidtiana ‘Silver Mound’), and black-eyed susans (Rudbeckia
fulgida ‘Goldstrum’).