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US National Arboretum
Hardiness Zones -- Details
Zone Color Key Zones 2-10 in the map have been subdivided into light- and dark-colored sections (a and b) that represent 5 F (2.8 C) differences within the 10 F (5.6 C) zone.  The light color of each zone represents the colder section; the dark color, the warmer section.  Zone 11 represents any area where the average annual minimum temperature is above 40 F (4.4 C).

The map shows 20 latitude and longitude lines.  Areas above an arbitrary elevation are traditionally considered unsuitable for plant cropping and do not bear appropriate zone designations.  There are also island zones that, because of elevation differences, are warmer or cooler than the surrounding areas and are given a different zone designation. 

Note that many large urban areas carry a warmer zone designation than the surrounding countryside.  The map-contains as much detail as possible, considering the vast amount of data on which it is based and its size.

 

South-Midwest US

Arkansas, Colorado, Illinois, Kansas, Louisiana,
Mississippi, Missouri, New Mexico, Oklahoma, Texas


Check the color of the section in your area of the map with the color key below.
Zones 4b through 9b represented here.
   

South-Midwest region Hardiness Zone MapZone Color Key


ARKANSAS


Check the color of the section in your area of the map with the color key below.

Zones 6a through 8a represented here.
   

South-Midwest region Hardiness Zone MapZone Color Key


USDA Hardiness Zones 6a - 8a Avg Annual Minimum Temperature Range

  Zone  
  Fahrenheit  
    Celsius    
  Example Cities  
6a
-10 to -5 F
-20.6 to -23.3 C
Bentonville &Buffalo National River Valley,  Arkansas;
6b
-5 to 0 F  
-17.8 to -20.5 C
Mountain Home & Pocahontas,  Arkansas
7a
0 to 5 F
-15.0 to -17.7 C
Jonesboro & Newport,  Arkansas;  
7b
5 to 10 F
-12.3 to -14.9 C
Little Rock, Pine Bluff & Camden,  Arkansas;  
8a 
10 to 15 F
-9.5 to -12.2 C
Texarkana & El Dorado,   Arkansas

       The 2003 US National Arboretum "Web Version" of the USDA Plant Hardiness Zone Map
       USDA Misc. Publ. No. 1475.  Issued Jan 1990. by Henry M. Cathey while Director, U.S. National Arboretum

       U.S. National Arboretum, Agricultural Research Service, U.S. Department of Agriculture, Washington, DC 20002
      NoteThe above material is not copyrighted & permission is not required to reproduce all or any part of it.

Hardiness of Selected Arkansas Landscape Plants
The following list gives some of the plants commonly used in Arkansas landscapes. The approximate northern and southern hardiness zones are given for each plant. Site selection, cultivar and maintenance can all affect winter hardiness. In some cases, the plant can be grown successfully in an area, but its landscape usefulness may be lacking because of frequent winter injury. Gardenias will survive in zone 7, but they bloom successfully only once in every three years.
Common Name Latin Name Zone
Adam's Needle Yucca Yucca filamentosa 3-9
American Holly llex opaca 5-9
Aucuba Aucuba japonica 7-10
Bald Cypress Taxodium distichum 4-9
Blue Atlas Cedar Cedrus atlantica 6-9
Blue Holly llex x meserveae 4-8
Blue Hydrangea Hydrangea macrophylla 6-10
Blue Rug Juniper Juniperus horizontalis 3-9
Burford Holly  llex cornuta 6-9
Colorado Blue Spruce Picea pungens 2-7
Common Fig Ficus carica 7-10
Compacta Holly llex crenata 6-9
Confederate Jasmine Trachelospermum jasminoides 8-10
Crapemyrtle Lagerstroemia indica 7-9
Cypress, Italian Cupressus sempervirens 8-10
Deodara Cedar Cedrus deodara 7-9
Dogwood Cornus florida 5-9
Dwarf Alberta Spruce Picea glauca 2-7
Eastern White Pine Pinus strobus 3-8
Empress Tree Paulownia tomentosa 5-9
English Boxwood Buxus sempervirens 5-9
English Holly llex aquifolium 5-9
English Ivy Hedera helix 4-9
English Yew Taxus baccata 5-7
European White Birch Betula pendula 2-6
Exbury Azalea Rhododendron Exbury 5-7
Fatsia Fatsia japonica 8-10
Foster Holly llex x attenuata 6-9
Gardenia Gardenia jasminoides 8-10
Glenn Dale Azalea Rhododendron hybrid 6-9
Glossy Abelia Abelia x grandiflora 6-10
Golden Raintree Koelreuteria paniculata 5-9
Gumpo Azalea Rhododendron satsuki 6-9
Heavenly Bamboo Nandina domestica 6-9
Indian Hawthorn Raphiolepis indica 7-9
Indica Azaleas Rhododendron indica 8-9
Japanese Barberry Berberis thunbergii 4-8
Japanese Black Pine Pinus thunbergiana 5-8
Japanese Boxwood Buxus microphylla 5-8
Japanese Camellia Camellia japonica 8-9
Japanese Cleyera Cleyera japonica 7-10
Japanese Dogwood Cornus kousa 5-8
Japanese Euonymus Euonymus japonica 7-9
Japanese Garden Juniper Juniperus procumbens 4-9
Japanese Pachysandra Pachysandra terminalis 3-8
Japanese Red Maple Acer palmatum 5-8
Japanese Yew Podocarpus macrophyllus 8-10
Korean Boxwood Buxus microphylla 4-8
Kurume Azalea Rhododendron obtusum 6-9
Lavender Cotton Santolina chamaecyparissus 6-9
Leatherleaf Mahonia Mahonia bealei 6-9
Leatherleaf Viburnum Viburnum rhytidophyllum 5-8
Lilac Syringa vulgaris 3-8
Lilyturf Liriope muscari 5-9
Live Oak Quercus virginiana 7-10
Manhattan Euonymus Euonymus kiautschovicua 6-9
Monkeygrass Ophiopogon japonicus 7-9
Mugo Pine Pinus mugo 2-7
Oregon Grapeholly Mahonia aquifolium 4-8
Pampas Grass Cortaderia selloana 7-9
Periwinkle Vinca minor 3-8
Pittosporum Pittosporum tobira 8-9
Red Firethorn Pyracantha koidzumii 7-9
Red Tip Photinia Photinia x fraseri 7-9
Rockspray Cotoneaster Cotoneaster horizontalis 4-8
Sasanqua Camellia Camellia sasanqua 7-9
Saucer Magnolia Magnolia soulangiana 4-9
Scarlet Firethorn Pyracantha coccinea 5-9
Shore Juniper Juniperus conferta 6-8
Southern Magnolia Magnolia grandiflora 6-9
Star magnolia Magnolia stellata 4-8
Sugar maple Acer saccharum 3-8
Thorny Elaeagnus Elaeagnus pungens 6-9
Tulip Poplar Liriodendron tulipifera 4-9
Waxleaf Privet Ligustrum ludicum 7-10
Yaupon Holly  llex vomitoria 7-10
Yellow Jessamine Gelsemium sempervirens 7-9
Yew Taxus x media  4-7
Dr. Gerald Klingaman, Extension Horticulturist
Univ of Arkansas Cooperative Extension Service
(© 2003 - Public Domain)


Compiled 12/4/03 by Agora Associates for the readers of Green Shoes Lawn Care Service web site.