(A) Minimum quantities. All new development activities, including site modifications or use intensifications, shall be subject to landscaping improvements. The following table illustrates requirements within each zoning district:
District
|
Overstory Trees | Foundation Plantings4 |
District
|
Overstory Trees | Foundation Plantings4 |
R-1 | Two trees/unit/street frontage1 | None |
R-2 | Two trees/unit/open space exposure2 | 1/10 ft. building and parking area |
R-3 | Eight trees plus two trees/unit3 | 1/10 ft. building and parking area |
PUD | Based on underlying uses | Based on underlying uses |
C-1 | Eight trees or 1/3,000 sq. ft. site area5 | 1/10 ft. building and parking area |
C-2 | Eight trees or 1/3,000 sq. ft. site area5 | 1/10 ft. building and parking area |
C-3 | Eight trees or 1/3,000 sq. ft. site area5 | 1/10 ft. building and parking area |
I-1 | Eight trees or 1/3,000 sq. ft. site area5 | 1/10 ft. building and parking area |
P/I | Eight trees or 1/3,000 sq. ft. site area5 | 1/10 ft. building and parking area |
Notes to table: | ||
1. Trees shall be deciduous and planted at the boulevard, except on cul de sacs where one of the required trees may be planted off the boulevard but in the front yard area. | ||
2. Two trees shall be deciduous. Unit exposures with street frontage shall be planted at the boulevard. | ||
3. Tree spacing must include trees at the boulevard at minimum 50 feet intervals. | ||
4. The calculation for the number of foundation plantings is based upon one planting for each lineal feet of building perimeter and parking lot perimeter. Plantings may be grouped rather than dispersed at ten feet intervals. | ||
5. The required number of trees is based upon a minimum of eight trees or one tree per 3,000 square feet of site area, whichever is greater. Tree spacing must include trees at the boulevard at minimum 50 feet intervals. | ||
(B) Minimum standards.
(1) Overstory trees.
(a) Deciduous trees: Two-and-a-half-inch caliper planting size, balled and burlapped.
(b) Coniferous trees: Six feet in height planting size, balled and burlapped.
(2) Foundation plantings. Coniferous and deciduous shrubs shall be planted at a minimum of 1/3 of the mature spread and height of typical growth habits.
(3) Boulevard trees. All boulevard trees shall be hardwood shade trees or flowering trees.
(4) Overstory mix. When multiple quantities of overstory trees are required, at least 75% of the trees required shall be deciduous trees.
(5) Hardiness. All landscape materials proposed shall consistent with Minnesota hardiness zones, whether indigenous or foreign. Plant species must also be tolerant to snow storage, exposure to salt and sun scald in parking areas.
(6) Diversification. In any development in which at least eight overstory trees or foundation plantings are required, at least three varieties of plantings are required. In residential subdivisions, at least three varieties of boulevard trees are required on each side of a block.
(7) Warranty. All required landscape materials shall be warranted for growth for a minimum of two years after planting.
(Ord. 150, passed 2-22-2000; Ord. passed 3- -2007)