Town Center | Development Standards—Landscaping and Irrigation
I. Landscaping – Plan design, design review, and installation
8. Groundcovers shall be planted and spaced to result in total coverage of the majority of the required landscape area within three years. 9. All fences shall be placed on the inward side of any required perimeter landscaping along the street frontage. 10. Required street landscaping may be placed within City of Sammamish street rights-of-way subject to the City of Sammamish public works standards, provided adequate space is maintained along the street line to replant the required landscaping should subsequent street improvements require the removal of landscaping within the rights-of-way. 11. Required street landscaping may be placed within Washington State rights-of-way subject to permission of the Washington State Department of Transportation. 12. New landscape material provided for vegetation restoration or mitigation requirements and within areas of undisturbed vegetation or within the protected area of significant trees shall give preference to utilizing western Washington native plant species.
1. The landscape plan submitted to the department shall be drawn on the same base map as the development plans and shall identify the following:
a. Total landscape area and separate hydro-zones;
b. Landscape materials’ botanical/common name and applicable size;
c. Property lines;
d. Impervious surfaces;
e. Natural or manmade water features or bodies;
f. Existing or proposed structures, fences, and retaining walls;
g. Natural features or vegetation left in natural state;
h. Designated recreational open space areas;
i. Irrigation plan; and
j. Maintenance plan outlining the general activities and schedules for maintaining landscaping, including litter removal, mulching, weeding, pruning, watering, and lawn care (not required for single-family and townhouse development), including replacement schedule. 2. The proposed landscape plan shall be certified by a Washington State registered landscape architect. 3. An affidavit signed by an individual specified in subsection 2. of this section, certifying that the landscaping has been installed consistent with the approved landscaping plan,
H. Landscaping – Advisory tree list
The department shall, pursuant to Chapter 2.55 SMC, develop and maintain an advisory listing of trees recommended for new plantings. Such list shall describe their general characteristics and suitability, and provide guidelines for their inclusion within required landscape areas. The department shall maintain an advisory list of trees not to be used.
516 | Title 21: Sammamish Development Code
Effective | January 1, 2022
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