Section 20 - Landscaping
07/24/01
20.5
or distorted. Soil shall not be compacted around the roots or ball of the plant during or after
planting operations. The plant shall be set so that the root crown is one-half inch (1/2”) or three-
quarter-inch (3/4”) higher than average surrounding grade. The ground around the plant shall
be shaped to drain water away from the root crown or trunk of plant. Any plants that have
settled deeper or stand higher than specified shall either be raised back to the required level or
replaced, at the option of the Contractor.
After planting operations have been completed, the Contractor shall remove all trash, empty
plant containers, tools, and equipment used in this work, and any other marks in the area
caused by this work shall be repaired at the Contractor's expense, and the ground left in a neat
and orderly condition.
20-4.04.A Preparation for Ground Covers
Areas to be planted with ground cover shall receive fertilizer and soil amendment, uniformly
distributed and thoroughly cultivated into the top six inches of soil (6”). The rate of application
for fertilizer and soil amendment shall be as shown or specified in the Contract.
The Contractor shall fine grade the planting area so that proper drainage of the entire
ground cover is assured.
The Contractor shall avoid any compaction of the soils after treatment, and shall not permit
traffic over such areas. In the event of such compaction, the areas shall be recultivated by the
Contractor, at the Contractor’s expense.
Areas to receive a pre-emergent weed control shall be treated prior to planting as shown in
the Plans or specified in the Special Provisions.
Ground covers shall be planted in the prepared soil, which shall be moist and friable, never
dry or wet and soggy. The moist condition shall extend to the full depth of cultivation.
Ground cover plants shall be planted in neat, straight rows parallel to the nearest pavement
or fence.
The spacing of ground cover plants shall be as shown on the Plans and in the Plant List.
Plants shall be planted in neat, evenly spaced rows with staggered triangular spacing. Ground
cover shall be planted around shrubs to within one foot (1’), and around trees to within eighteen
inches (18”). Ground cover in one (1) gallon containers shall not be planted closer than two feet
(2’) to curbs, dikes, paved areas, walls, and fences, unless otherwise shown on the Plans or
specified in the Special Provisions. Ground cover from flats shall not be planted closer than six
inches (6”) to curbs, dikes, paved areas, walls, and fences, unless otherwise shown or specified
in the Contract.
20-4.04.B Preparation for Trees and Shrubs
Trees, shrubs, and vines in ground cover areas shall be planted before ground cover plants
or cuttings are planted. Holes for trees and shrubs shall be excavated by auger unless
otherwise indicated on the Plans or specified in the Special Provisions. Before an augured hole
is made, the top six inches (6”) of soil amendment treated soil shall be removed and stockpiled
at one side of hole.
A twelve-inch (12”) diameter by ten feet (10’) deep tree pit shall be bored prior to planting all
trees fifteen (15) gallons or larger, unless otherwise specified in the Special Provisions. Boring
shall take place prior to placement of topsoil. Backfill for bored pit shall be excavated bored
material. Backfill shall be jetted and settled a minimum of four (4) days prior to planting trees.
When the backfill around the plant is approximately two-thirds (2/3) completed, the plant
shall be thoroughly watered, after which the backfill shall be completed to the grade of the
surrounding area.
Planting tablets conforming to Section 50-43.02, “Commercial Fertilizer”, of these
Specifications shall be installed according to the following schedule:



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