Landscaping and Screening
Table 1305H: Minimum Sizes and Spacing | ||
|---|---|---|
Type of Plant Material | Minimum Plant Sizes | Spacing Requirements |
Canopy/Shade Trees | 2 1/2 inch caliper | 25 feet on-center |
Ornamental/Understory Trees | 2-inch caliper 5 feet height (clump form) | 15 feet on-center |
Evergreen Trees | 5 feet height | 20 feet on-center |
Shrubs | 2 feet height or spread | 3 feet to 4 feet on-center |
Table 1305O: Plant Species Diversity | |||
|---|---|---|---|
Total Number of Plants Per Plant Type | Maximum of Any Species | Minimum of Any Species | Minimum Number of Species |
1-4 | 100% | Not Applicable | 1 |
5-10 | 60% | 40% | 2 |
11-15 | 45% | 20% | 3 |
16-75 | 40% | 10% | 5 |
76-500 | 25% | 5% | 8 |
500-1,000 | 30% | 5% | 10 |
1,000+ | 15% | 4% | 15 |
Table 1305Q: Unaccredited Trees | |
|---|---|
Botanical Name | Common Name |
Malus Spp. | Apple |
Fraxinus | Ash |
Robinia Spp. | Black Locust |
Juglans Nigra | Black Walnut |
Acer Negundo | Box Elder |
Catalpa Speciosa | Catalpa |
Prunus Spp. | Cherry and Plum |
Populus Spp. | Cottonwood, Poplar, Aspen |
Gingko Biloba (female) | Female Gingko |
Morus Spp. | Mulberry |
Maclura Pomifera | Osage Orange |
Pyrus Spp. | Pear |
Quercus Palustris | Pin Oak |
Elaeagnus Angustifolia | Russian Olive |
Ulmus Pumila | Siberian Elm |
Acer Saccharinum | Silver Maple |
Ulmus Rubra | Slippery Elm |
Platanous Occidentalis | Sycamore |
Ailanthus Altissima | Tree of Heaven |
Salix Spp. | Willow |
Table 1305R: Prohibited (Invasive) Species | |
|---|---|
Botanical Name | Common Name |
Butomus umbellatus | Flowering Rush |
Alliaria petiolata | Garlic Mustard |
Populus nigra var. italica | Lombardy Poplar |
Rosa Multiflora | Multiflora Rose |
Phragmites australis | Common Reed |
Lythrum salicaria | Purple Loosestrife |
Centaurea Biebersteinii | Spotted Knapweed |
Table 1306B(2)(a): Transition Yards | ||||
|---|---|---|---|---|
Specifications | TY-1 | TY-2 | TY-3 | TY-4 |
Min. Yard Depth | 5 feet | 8 feet | 10 feet | 15 feet |
Min. Fence/Wall Height | 6 feet (masonry wall, solid wood, or board on board required) | Not Required | Not Required | Not Required |
Min. Trees (per 100 feet) | ||||
Deciduous Tree | Not Required | Not Required | 4 | Not Required |
Evergreen Tree | 2 | 4 | Not Required | 3 |
Flowering Tree | 2 | 2 | 2 | 2 |
Min. Shrubs (per 100 feet) | ||||
Deciduous Shrub | Not Required | Not Required | 15 | Sufficient Amount |
Evergreen Shrub | Not Required | 10 | Not Required | Sufficient Amount |
Large Shrub | 5 | Not Required | Not Required | Not Required |
[1] | Yard widths calculated on the basis of average per 100 feet, provided that the yard width at any point may not be less than 50% of the minimums stated in the table. Required zoning district setbacks may be counted toward satisfying transition yard widths. |
Table 1306B(2)(a): Transition Yard Type Requirements | ||||||
|---|---|---|---|---|---|---|
Adjacent Lot Land Use | ||||||
Subject Lot Land Use | Open Space/Agriculture | Detached Single-Family | Attached Single-Family | Multifamily | Business | Industrial |
Open Space/Agriculture | None | |||||
Detached Single-Family | TY-1 | None | ||||
Attached Single-Family | TY-1 | TY-1 | None | |||
Multifamily | TY-2 | TY-2 | TY-1 | None | ||
Business | TY-3 | TY-3 | TY-2 | TY-2 | None | |
Industrial | TY-4 | TY-4 | TY-3 | TY-3 | TY-2 | None |
Landscaping and Screening
Table 1305H: Minimum Sizes and Spacing | ||
|---|---|---|
Type of Plant Material | Minimum Plant Sizes | Spacing Requirements |
Canopy/Shade Trees | 2 1/2 inch caliper | 25 feet on-center |
Ornamental/Understory Trees | 2-inch caliper 5 feet height (clump form) | 15 feet on-center |
Evergreen Trees | 5 feet height | 20 feet on-center |
Shrubs | 2 feet height or spread | 3 feet to 4 feet on-center |
Table 1305O: Plant Species Diversity | |||
|---|---|---|---|
Total Number of Plants Per Plant Type | Maximum of Any Species | Minimum of Any Species | Minimum Number of Species |
1-4 | 100% | Not Applicable | 1 |
5-10 | 60% | 40% | 2 |
11-15 | 45% | 20% | 3 |
16-75 | 40% | 10% | 5 |
76-500 | 25% | 5% | 8 |
500-1,000 | 30% | 5% | 10 |
1,000+ | 15% | 4% | 15 |
Table 1305Q: Unaccredited Trees | |
|---|---|
Botanical Name | Common Name |
Malus Spp. | Apple |
Fraxinus | Ash |
Robinia Spp. | Black Locust |
Juglans Nigra | Black Walnut |
Acer Negundo | Box Elder |
Catalpa Speciosa | Catalpa |
Prunus Spp. | Cherry and Plum |
Populus Spp. | Cottonwood, Poplar, Aspen |
Gingko Biloba (female) | Female Gingko |
Morus Spp. | Mulberry |
Maclura Pomifera | Osage Orange |
Pyrus Spp. | Pear |
Quercus Palustris | Pin Oak |
Elaeagnus Angustifolia | Russian Olive |
Ulmus Pumila | Siberian Elm |
Acer Saccharinum | Silver Maple |
Ulmus Rubra | Slippery Elm |
Platanous Occidentalis | Sycamore |
Ailanthus Altissima | Tree of Heaven |
Salix Spp. | Willow |
Table 1305R: Prohibited (Invasive) Species | |
|---|---|
Botanical Name | Common Name |
Butomus umbellatus | Flowering Rush |
Alliaria petiolata | Garlic Mustard |
Populus nigra var. italica | Lombardy Poplar |
Rosa Multiflora | Multiflora Rose |
Phragmites australis | Common Reed |
Lythrum salicaria | Purple Loosestrife |
Centaurea Biebersteinii | Spotted Knapweed |
Table 1306B(2)(a): Transition Yards | ||||
|---|---|---|---|---|
Specifications | TY-1 | TY-2 | TY-3 | TY-4 |
Min. Yard Depth | 5 feet | 8 feet | 10 feet | 15 feet |
Min. Fence/Wall Height | 6 feet (masonry wall, solid wood, or board on board required) | Not Required | Not Required | Not Required |
Min. Trees (per 100 feet) | ||||
Deciduous Tree | Not Required | Not Required | 4 | Not Required |
Evergreen Tree | 2 | 4 | Not Required | 3 |
Flowering Tree | 2 | 2 | 2 | 2 |
Min. Shrubs (per 100 feet) | ||||
Deciduous Shrub | Not Required | Not Required | 15 | Sufficient Amount |
Evergreen Shrub | Not Required | 10 | Not Required | Sufficient Amount |
Large Shrub | 5 | Not Required | Not Required | Not Required |
[1] | Yard widths calculated on the basis of average per 100 feet, provided that the yard width at any point may not be less than 50% of the minimums stated in the table. Required zoning district setbacks may be counted toward satisfying transition yard widths. |
Table 1306B(2)(a): Transition Yard Type Requirements | ||||||
|---|---|---|---|---|---|---|
Adjacent Lot Land Use | ||||||
Subject Lot Land Use | Open Space/Agriculture | Detached Single-Family | Attached Single-Family | Multifamily | Business | Industrial |
Open Space/Agriculture | None | |||||
Detached Single-Family | TY-1 | None | ||||
Attached Single-Family | TY-1 | TY-1 | None | |||
Multifamily | TY-2 | TY-2 | TY-1 | None | ||
Business | TY-3 | TY-3 | TY-2 | TY-2 | None | |
Industrial | TY-4 | TY-4 | TY-3 | TY-3 | TY-2 | None |