(a) 
Standards for detention and retention ponds as amenities to the subdivision or development.
A private detention or retention pond shall be required to meet the following design considerations:
(1) 
Located between the residences or other buildings and the street or completely bounded by streets.
(2) 
Viewable from public space or street.
(3) 
Any slope of the pond area does not exceed thirty-three (33) percent.
(4) 
Accessible by patrons or residents.
(5) 
Seating area, public art, or fountain. All ponds shall have not less that two of these features. There shall be a sidewalk not less than 4 feet wide around the pond which shall connect directly to the other sidewalks in the subdivision or development.
(6) 
Two trees or planters at least sixteen (16) square feet in size for every two hundred (200) square feet of open space and be located within or directly adjacent to the open space. Necessary and appropriate irrigation of the planted material, grass and all landscaping shall be provided.
(7) 
The site plan and plat, if applicable acknowledge the responsibility of the owner or property owners association to maintain the pond, including its drainage function, grass and weed control, trees and plants healthy and growing in season. A pond designed to retain a minimum depth of water is preferred and is required to have a functioning fountain in the pond, weather permitting.
(8) 
Example of a detention/retention pond designed as an amenity.
010 Figure 1.tif
Figure 1: Example of a detention/retention pond designed as an amenity
(b) 
Approved plant materials.
(1) 
The use of artificial plants or turf are expressly prohibited for compliance with section 10.03.001.
(2) 
Use of drought tolerant plants are encouraged to meet the requirements of section 10.03.001.
(3) 
The following is the approved plant material list for plant materials required in section 10.03.001. and for all required plant materials in this [the] subdivision ordinance. Any other lists in the code, including those subject to tree committee review, are replaced by the list below of recommended plant materials in table 1, and the following prohibited plant materials in table 2.
TABLE 1: Recommended Plant Material List
CANOPY (SHADE) TREES—HARDINESS ZONE 8
Common Name
Botanical Name
TX Native
Mature Height
Mature Spread
Light Req.
Water
Foliage
Util. Appr.
Cedar, Eastern Red
Juniperus virginiana
Y
20–50'
15–25'
Sun
M
Everg.
Cherry, Escarpment Black
Prunus serotina var. eximia
Y
25–50'
25–35'
Sun/part shade
L
Decid.
Cypress, Arizona
Cupressus arizonica
Y
20–50'
15–25'
Sun
L
Everg.
Elm, American
Ulmus americana
70–90'
50–90'
Sun/part shade
M
Decid.
Elm, Cedar
Ulmus crassifolia
Y
25–60'
25–35'
Sun/part shade
L
Decid.
Elm, Lacebark
Ulmus parvifolia
40–60'
30–40'
Sun
M
Decid.
Locust, Honey (thornless)
Gleditsia triacanthos inermis
Y
30–50'
25–35'
Sun/part shade
Decid.
Maple, Big Tooth
Acer grandidentatum
Y
40–50'
20–30'
Sun/part shade
VL
Decid.
Mesquite, Honey
Prosopis glandulosa
Y
Y
25–30'
Sun
VL
Decid.
Yes
Oak, Bur
Quercus macrocarpa
Y
50–75'
50'+
Sun
VL
Decid.
Oak, Chinquapin
Quercus muhlenbergii
Y
30–60'
30–40'
Sun
M
Decid.
Oak, Lacey
Quercus laceyi
Y
20–35'
25'
Sun
VL
Decid.
Oak, Monterrey (Mexican White)
Quercus polymorpha
Y
40–60'
30–40'
Sun
VL
Everg.
Oak, Escarpment Live*
Quercus fusiformis
Y
20–40'
50'+
Sun
L-VL
Everg.
Oak, Shumard Red*
Quercus shumardii
Y
30–50'
30–50'
Sun
L
Decid.
Oak, Southern Live*
Quercus virginiana
Y
30–50'
50'+
Sun
L-VL
Everg.
Oak, Texas Red*
Quercus buckleyi
Y
15–30'
15–30'
Sun
L
Decid.
Pecan
Carya illinoiensis
Y
60–90'
60–75'
Sun
M
Decid.
Pine, Italian Stone
Pinus pinea
35–60'
20–40'
Sun
L
Everg.
Sycamore, Mexican
Platanus mexicana
30–50'
40'
Sun/part shade
M-L
Decid.
Walnut, Texas Little
Juglans microcarpa
Y
18–20'
20'
Sun/part shade
M
Decid.
*
May not be used in Oak Wilt prone area.
UNDERSTORY (SMALL) TREES—HARDINESS ZONE 8
Common Name
Botanical Name
TX Native
Typ. Height
Typ. Spread
Light Req.
Water
Foliage
Util. Appr.
Buckeye, Mexican
Ungnadia speciosa
Y
8–15'
12–20'
Sun/part shade
L
Decid.
Yes
Cherry Laurel
Prunus caroliniana
Y
15–20'
12–15'
Sun/part shade
M
Everg.
Chitalpa
Chitalpa tashkentensis
25–30'
15–20'
Sun/part shade
L
Decid.
Crape-myrtle
Lagerstroemia indica
4–30'
10–20'
Sun
L-M
Decid.
Yes
Dogwood, Rough-leaf
Cornus drummondii
Y
8–15'
10–15'
Sun/shade
M
Decid.
Eve's Necklace
Sophora affinis
Y
10–20'
15–20
Sun/part shade
L
Decid.
Yes
Possumhaw
Ilex decidua
Y
12–15'
12'
Sun/part shade
L-M
Decid.
Yes
Holly, Yaupon
Ilex vomitoria
Y
15–25'
10–15'
Sun/part shade
L-M
Everg.
Yes
Mountain-laurel, Texas
Sophora secundiflora
Y
10–20'
8–12'
Sun/part shade
L
Everg.
Yes
Persimmon, Texas
Diospyros texana
Y
8–15'
8–12'
Sun/part shade
VL
Decid.
Yes
Pistache, Texas
Pistacia texana
Y
10–30'
30–45'
Sun/part shade
VL
Everg.
Plum, Mexican
Prunus mexicana
Y
15–25'
15–20'
Sun/part shade
L
Decid.
Yes
Redbud, Mexican
Cercis canadensis var. mexicana
Y
15–30'
12–15'
Sun/part shade
VL
Decid.
Yes
Redbud, Texas
Cercis canadensis var. texensis
Y
15–30'
12–15'
Sun/part shade
L
Decid.
Yes
Sumac, Flameleaf
Rhus lanceolata
Y
10–30'
15–20'
Sun/part shade
L
Decid.
Viburnum, Rusty Blackhaw
Viburnum rufidulum
Y
10–30'
10–15'
Sun/shade
L
Decid.
Wax Myrtle
Myrica cerifera
y
10–15'
6–15'
Sun/part shade
M
Everg.
Yes
SHRUBS—HARDINESS ZONE 8
Common Name
Scientific Name
TX Native
Mature Height
Mature Spread
Light Req.
Water
Evergreen/Deciduous
LARGE (SCREENING)
Abelia Glossy
Abelia grandiflora
6'
6'
Sun/part shade
L-M
E
Acuba
Acuba japonica
3–5'
3–5'
Part shade
M
E
Cotoneaster
Cotoneaster sp.
3–5'
4–7'
Sun/part shade
M
E
Hawthorne, Indian
Rhaphiolepis indica
4–6'
4–6'
Sun/part shade
M
E
Holly, Burford
Ilex cornuta 'Burfordii'
8–12'
8–10'
Sun/part shade
L
E
Holly, Dwarf Burford
Ilex cornuta 'Burfordii Nana'
4–6'
3–4'
Sun/part shade
L
E
Holly, Dwarf Chinese
Ilex cornuta 'Rotunda nana'
3–4'
3–6'
Sun/part shade
L
E
Holly, Nellie R. Stevens
Ilex cornuta 'Nellie R. Stevens'
8–10'
5–6'
Sun
L-M
E
Holly, Dwarf Yaupon
Ilex vomitoria 'Nana'
Y
2–4'
2–4'
Sun/shade
L
E
Rosemary, Upright
Rosmarinus officinalis
4'
4–6'
Sun
M
E
Sage, Texas
Leucophyllum frutescens
Y
4–5'
4–5'
Sun
L
E
Wax Myrtle, Dwarf
Myrica pusilla; Morella cerifera var, pumila
3–5'
3–6'
Part shade/sun
M
E
Wax Myrtle, Southern
Myrica cerifera
Y
Shrub to 12'
6–15'
Sun/part shade
M
E
Yucca, Spanish Dagger
Yucca rostrata
Y
5–15'
4'
Sun/part shade
VL
E
MEDIUM
Agave, Blue
Agave tequilana
6'
6'
Sun
VL
E
Agave, Century Plant
Agave americana
Y
6'
8–10'
Sun/Part shade
VL
E
American Beautyberry
Callicarpa americana
Y
4–6'
6'
Part shade/shade
L-M
D
Cactus, Prickly Pear
Opuntia spp.
Y
3–4'
3–4'
Sun
L
E
Esperanza/Yellow Bells
Tecoma stans
Y
4–8'
4–6'
Sun
L-M
D
Flame Acanthus
Anisacanthus quadrifidus var. wrightii
Y
3–4'
3–4'
Sun/part shade
LD
D
Indigo Spires
Salvia 'Indigo Spires'
Y
3–4'
5–7'
Sun/part shade
L-M
D
Lantana, Texas
Lantana horrida
Y
2–6'
4–5'
Sun
VL
D
Palmetto, Texas Dwarf
Sabal minor
Y
3–5'
4–6'
Sun/shade
M
E
Rose, "Knock Out"
Rosa "Knock Out"
3'
3'
Sun
M
SE
Sage, Cherry (Autumn Sage)
Salvia greggii
Y
2–3'
2–3'
Sun
L
E
Sage, Henry Duelberg (Blue Sage)
Salvia farinacea "Henry Duelberg"
Y
3'
3'
Sun
L
D
Sage, Majestic
Salvia guaranitica
3–5'
4–5'
Sun/shade
L
D
Sage, Mexican Bush
Salvia leucantha
4–5'
4–5'
Sun
L
D
Sage, Russian
Perovskia atriciplifolia
3'
3'
Sun
L
D
Sotol, Texas
Dasylirion texanum
Y
3–4'
3–4'
Sun/part shade
L
E
Sumac, Fragrant
Rhus aromatica
Y
6–9'
4–6'
Sun/part shade
L
D
Turk's Cap
Malvaviscus arboreus
Y
2–6'
3–5'
Sun or shade
L
E
Yucca, Red
Hesperaloe parviflora
6'
4'
Sun
VL
E
Yucca, Soft leaf
Yucca recurvifolia
Y
4–6'
3'
Sun/part shade
VL
E
SMALL
Agave, Parry's
Agave parryi
Y
1–1.5'
1.5'
Sun/part shade
VL
E
Agave, Queen Victoria
Agave victoriae-reginae
Y
1.5'
1.5'
Sun/part shade
VL
E
Artemisia
Artemisia 'Powis Castle'
1–2'
3–6'
Sun
VL
E
Coralberry
Symphoricarpos orbiculatus
Y
2–3'
2–3'
Sun/part shade
L
D
Sage, Scarlet or 'Tropical'
Salvia coccinea
Y
1.5–3'
1–1.5'
Sun/shade
L
D
Skullcap, Pink
Scutellaria suffrutescens
1'
3'
Sun/part shade
L
E
Yucca, Red
Hesperaloe parviflora
Y
2–4'
4'
Sun/part shade
VL
E
ORNAMENTAL GRASSES—HARDINESS ZONE 8
Common Name
Scientific Name
TX Native
Mature Height
Mature Spread
Light Req.
Water
Evergreen/Deciduous
Bluestem, Big
Andropogon gerardii
Y
4–8'
2–3'
Sun/part shade
L
D
Bluestem, Little
Schizachyrium scoparium
Y
2–3'
1–1.5'
Sun/part shade
L
D
Feathergrass, Mexican; Mexican Wiregrass
Nassella tenuissima
Y
1–2'
1-2.5'
Sun/part shade
L
SE
Fountain Grass, Dwarf
Pennisetum alopecuroides
2.5–3'
2.5–3'
Sun
M
D
Indiangrass, Yellow Indian Grass
Sorghastrum nutans
Y
3–5'
1–1.5'
Sun/part shade/shade
L
D
Inland Seaoats
Chasmanthium latifolium
Y
1–3'
3–6'
Part sun/shade
L-M
D
Muhly, Bamboo
Muhlenbergia dumosa
4–5'
4–5'
Sun/part shade
L
E
Muhly, Big; Lindheimer Muhly
Muhlenbergia lindheimeri
Y
3–5'
3–4'
Sun/part shade
M-L
D
Muhly, Deer
Muhlenbergia rigens
T
1–1.5'
1–1.5'
Sun/part shade
L
D
Muhly, Gulf
Muhlenbergia capillaris
Y
2–2.5'
2–3'
Sun/part shade
L-M
D
Muhly, Pine
Muhlenbergia dubia
T
1–3'
1–3'
Sun/part shade
VL
E
Muhly, Seep
Muhlenbergia reverchonii
T
2–3'
1.5–2'
Sun
VL
D
Nolina; Ribbon Grass, Devil's Shoestring
Nolina lindheimeriana
E
1–3'
4–5'
Sun/part shade
L
E
Rye, Canada Wild
Elymus canadensis
T
2–4'
2–3'
Sun/part shade
M
D
Sideoats Grama
Bouteloua curtipendula
Y
1–3'
2–3'
Sun/part shade
L
D
Switchgrass
Panicum virgatum
Y
3–6'
1–3'
Sun/part shade
M
D
Wheatgrass, Western
Pascopyrum smithii
1–3'
1–1.5'
Sun/part shade
M
D
TABLE 2. PROHIBITED PLANT SPECIES
PROHIBITED PLANT SPECIES*
Common Name
Scientific Name
Bamboo
Phyllostachys aurea; Bambusa spp.
Cat's Claw Vine
Macfadyena unguis-cati
Cattail
Typha spp.
Chinaberry
Melia azedarach
Chinese Parasol Tree
Firmiana simplex
Chinese Pistache
Pistacia chinensis
Chinese Tallow
Sapium sebiferum
English Ivy
Hedera helix
Giant Cane; Giant Reed
Arundo donax
Japanese Honeysuckle
Lonicera japonica
Jimsonweed
Datura stramomium
Jujube
Ziziphus zizyphus
Kudzu
Pueraria lobata
Ligustrum, Japanese
Ligustrum, lucidum
Ligustrum, Wax Leaf
Ligustrum japonicum
Mimosa (nonnative)
Albizzia julibrissin
Mulberry, Paper
Broussonetia papyrifera
Mulberry, White
Morus alba
Nandina (fruiting varieties)
Nandina spp.
Oleander
Nerium oleander
Pampas Grass
Cortadenia selloana
Princess Tree; Empress Tree
Paulownia tomentosa
Pines, nonnative
Pinus elliottii; P. eldarica, P. virginiana
Photinia, Chinese
Photinia spp.
Privet, Common
Ligustrum sinense, Ligustrum vulgare (and others)
Pyracantha
Pyracantha spp.
Russian Olive
Elaegnus angustifolia
Tamarisk, Salt Cedar
Tamarix spp.
(Ordinance 376-06-2023 adopted 6/12/2023; Ordinance 383-01-2024 adopted 1/8/2024)
That any person, firm or corporation violating any of the provisions or terms of this article shall be subject to the same penalty as provided for in the comprehensive zoning ordinance of the town as heretofore amended, and upon conviction shall be punished by a fine not to exceed the sum of $500.00 for each offense; and each and every day such violation shall continue shall be deemed to constitute a separate offense.
(Ordinance 376-06-2023 adopted 6/12/2023)