HORTICULTURAL DIVISION 



685 



Pittosporum tobira (B), Spartium juncrum, Tamarix 

 gallic a. 



SHRUBS OR SMALL TREES TO 20 FEET. Elceagnus an- 

 gustifolia, Melaleuca dtcussata, Pittosporum phillyraoides 

 (B). 



SHRUBS OR SMALL TREES TO 25 FEET. Ligustrum 

 ovalifolium (H), Pittosporum undulatum (B). 



LARGE TREES. Athel (Tamarix articulata), desert 

 gum (Eucalyptus rudis) (B), red gum (Eucalyptus longi- 

 rostris) (B), red box (Eucalyptus polyanthemos) (B), 

 Parkinsonia, Texas palmetto (P), Washington palms (P). 



PLANTS FOR REGION n 



SHRUBS TO 2 FEET OR UNDER. Berberis repens. 



SHRUBS TO 4 FEET. Spirted bumalda, Spircea bu- 

 malda Anthony Waterer, Spircea japonica, Spircea 

 tomentosa. 



SHRUBS TO 6 FEET. Berberis aquifolium, Caryopteris 

 mastacanthus, Cephalanthus occidentalis, Cornus sangui- 

 nea, Spircea prunifolia, Spircea thunbergi, Spircea van- 

 houttfi, Tamarix odessana. 



SHRUBS TO 8 FEET. Datura arborea (H), Ligustrum 

 sinense. 



SHRUBS TO 10 FEET. Ceanoihus thyrsiflorus, Cytisus 

 scoparius, Hibiscus syriacus, Lonicera ruprechtiana, 



Lonicera tatarica, Philadelphus coronarius, Physocarpus 

 opulifolius, Syringa chinensis, Tamarix gallica. 



SHRUBS TO 15 FEET. Conrus florida, Sambucus pu- 

 bens. 



SHRUBS OR SMALL TREES TO 20 FEET. Caragana 

 arborescens, Elceagnus angustifolia, Melaleuca decussata. 



SHRUBS OR SMALL TREES TO 25 FEET. Ligustrum 

 ovalifolium. 



LARGE TREES. Thornless honey locust, green ash, 

 black locust, hackberry, Mississippi hackberry, Chinese 

 elm, cottonwood, Parkinsonia, Texas palmetto (P). 



PLANTS FOR REGION 12 



SHRUBS TO 2 FEET OR UNDER. Berberis repens, Ceano- 

 thus amfricanus, Juniperus communis depressa (C), 

 Juniperus prostrata (C), Rhus aromatica. 



SHRUBS TO 4 FEET. Spircea bumalda, Spircea bumalda 

 Anthony Waterer, Spircea japonica, Spircea tomentosa, 

 Symphoricarpos occidentalis, Symphoricarpos racemosus, 

 Symphoricarpos vulgaris. 



SHRUBS TO 6 FEET. Azalea nudiflora, Clethra alnifolia, 

 Cornus alba, Cornus sanguinea, Cornus stolonifera flavi- 

 ramea, Juniperus sabina (C), Ligustrum ibota regelianum, 

 Ribes odoratum, Spircea prunifolia, Staphylea bumalda. 



SHRUBS TO 8 FEET. Ilex verticillata, Philadelphus 

 lewisi, Viburnum americanum. 



SHRUBS TO 10 FEET. Alnus mitchelliana, Amelan- 

 chier alnifolia, Ligustrum ibota, Philadelphus coronarius, 



Philadelphus inodorus, Physocarpus opulifolius, Pinus 

 montana mughus (C), Staphylea trifolia, Syringa chi- 

 nensis. 



SHRUBS TO 15 FEET. Cornus florida, Hamamelis vir- 

 giniana, Juniperus scopulorum (C), Ligustrum amu- 

 rense, Sambucus canadensis, Sambucus pubens, Syringa 

 vulgaris. 



SHRUBS OR SMALL TREES TO 20 FEET. Amelanchier 

 oblongifolia, Caragana arborescens, Elceagnus angusti- 

 folia, Ptelea trifoliata. 



SHRUBS OR SMALL TREES TO 25 FEET. Amelanchier 

 canadensis, Juniperus chinensis (C), Juniperus com- 

 munis (C), Juniperus virginiana (C). 



LARGE TREES. Green ash, hackberry, cottonwood, 

 silver poplar, narrow-leaf cottonwood. 



PLANTS FOR 



SHRUBS TO 2 FEET OR UNDER. Berberis repens (B), 

 Ceanothus americanus, Juniperus communis depressa (C), 

 Juniperus prostrata (C), Rhus aromatica. 



SHRUBS TO 4 FEET. Spircea bumalda, Spircea bumalda 

 Anthony Waterer, Spircea japonica, Spircea tomentosa, 

 Symphoricarpos occidentalis, Symphoricarpos racemosus, 

 Symphoricarpos vulgaris. 



SHRUBS TO 6 FEET. Azalea nudiflora, Berberis aqui- 

 folium (B), Calycanthus floridus, Cephalanthus occiden- 

 talis, Clethra alnifolia, Cornus alba, Cornus sanguinea, 

 Cornus stolonifera flaviramea, Juniperus sabina (C), 

 Ligustrum ibota regelianum, Ribes americanum, Ribes 

 odoratum, Spircea prunifolia, Staphylea bumalda. 



SHRUBS TO 8 FEET. Elceagnus longipes, Ilex verticillata, 

 Philadelphus lewisi, Viburnum americanum. 



SHRUBS TO IO FEET. Alnus mitchelliana, Amelanchier 



REGION 13 



alnifolia, Ligustrum ibota, Philadelphus coronarius, Phil- 

 adelphus inodorus, Physocarpus opulifolius, Pinus mon- 

 tana mughus (C), Staphylea trifolia, Syringa chinensis. 



SHRUBS TO 15 FEET. Cornus florida, Hamamelis vir- 

 giniana, Juniperus scopulorum (C), Ligustrum amu- 

 rense, Sambucus canadensis, Sambucus pubens, Syringa 

 vulgaris. 



SHRUBS OR SMALL TREES TO 20 FEET. Amelanchier 

 oblongifolia, Caragana arborescens, Elceagnus angusti- 

 folia, Evonymus atropurpureus, Ptelea trifoliata. 



SHRUBS OR SMALL TREES TO 25 FEET. Amelanchier 

 canadensis, Juniperus chinensis (C), Juniperus communis 

 (C), Juniperus virginiana (C). 



LARGE TREES. Green ash, Koelreuteria, cottonwood 

 and other poplars, black locust, hackberry, thornless 

 honey locust, ash-leaf maple (as a last resort). 



PLANTS FOR 



SHRUBS TO 2 FEET OR UNDER. Berberis repens, Cean- 

 othus americanus, Juniperus communis depressa (C), 

 Juniperus prostrata (C), Rhus aromatica. 



SHRUBS TO 4 FEET. Spircea bumalda, Spircea bu- 

 malda Anthony Waterer, Spircea japonica, Spircea tomen- 

 tosa, Symphoricarpos occidentalis, Symphoricarpos race- 

 mosus, Symphoricarpos vulgaris. 



SHRUBS TO 6 FEET. Azalea nudiflora, Berberis aqui- 

 folium, Calycanthus floridus, Cephalanthus occidentalis, 

 Clethra alnifolia, Cornus alba, Cornus sanguinea, Cornus 

 stolonifera flaviramea, Juniperus sabina (C), Ligustrum 



REGION 14 



ibota regelianum, Ribes americanum, Ribes odoratum, 

 Spircea prunifolia, Spircea thunbergi, Spircea vanhouttei, 

 Staphylea bumalda. 



SHRUBS TO 8 FEET. Elceagnus longipes, Ilex verticillata, 

 Philadelphus lewisi, Viburnum americanum. 



SHRUBS TO 10 FEET. Alnus mitchelliana, Amelan- 

 chier alnifolia, Ligustrum ibota, Philadelphus coronarius, 

 Philadelphus inodorus, Physocarpus opulifolius, Pinus 

 montana mughus (C), Staphylea trifolia, Viburnum 

 opulus. 



SHRUBS TO 15 FEET. Cornus florida, Hamamelis vir- 



