11 12 Landscape Plant Selection

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11 12 Landscape Plant Selection

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

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