11 12 landscape plant selection
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Landscape Plant Selection
Review Evergreen Shrubs
Term: Silhouette
Plant Silhouette
• The outline of an object as viewed against a background – for plants the overall shape or growth habit.
• Impacts placement in the landscape
Evergreen Shrub Review
Plant Exposure Size Color/Season
Boxwood
Laurel
Photinia
Yew
Barberry
BoxwoodsBuxus
• Broadleaf evergreen shrubs• USDA zones 6 – 8• Dwarf varieties grow to about 3’ high• Many varieties and sizes• Full sun to part shade• May or may not be pruned and shaped• Usually a formal style of planting• Propagate by cuttings (allow to callus)
Japanese Barberry
• Shrub, deciduous • Hardiness Zones: 4a to 8a • Height: 3’ to 6’ by Spread: 4’ to 6’ • Exposure: shade to full sun • Leaf Color: Green, Purple – Grown for Foliage
not blooms• Has small red berries in fall• Grows very slowly• Looks like a red boxwood• Has small thorns
PhotiniaRed-tip
• Plant type: Evergreen Tree or shrub• USDA Hardiness Zones: 7b to 9a • Height: 15 to 25’ and 10 to 20’ wide" • Exposure: full sun • Leaf Color: Green, Purple • Growth Rate: Quickly out grows small spaces • Landscape Uses: Hedge, Screen,
Standard, Specimen, Street tree
Yews
• Genus: Taxus
• Evergreen shrub
• Many varieties from 2’ to 20’ tall.
• Exposure: Shade to full sun
• Flat needles up to 1” long
• Used for hedges or foundation plantings
• Tend to be over-pruned
English Laurel
• Prunus laurocerasus ‘Schipkaensis’ • Large evergreen shrub• Dark green leaves• Grows to 4 -10’ tall and wide• Blooms in spring on fragrance racemes• Tolerates full sun to part shade• Has small black fruit in summer• Propagate by seed or cutting
Keys to plant selection
• Will the plant have a role in the landscape?– privacy, traffic control, wind block, shade
• Will it thrive in the conditions?– Soil, water, sun
• Seasonality?– Does it look good all year?– Plant in combinations with other plants
• Will it fit the landscape when mature?– Planting size vs mature size
Shade
• Deciduous trees– Cool in summer– Warm in winter
• Plants for underneath
• Canopy Height
Privacy
• Block Views into yard
• Block views out of yard
Traffic control
• Use hedges to keep people from cutting across the grass
Seasonality
• Garden for year round color
Mature Size
• Plan according to how big the plant will be – not how big it is now