Choose a genus
Abelia
Abies
Acer
Actinidia
Aesculus
Ailanthus
Akebia
Albizia
Alnus
Amelanchier
Ampelopsis
Aralia
Aronia
Asimina
Berberis
Betula
Buddleia
Buxus
Callicarpa
Calluna
Calocedrus
Calycanthus
Camellia
Campsis
Caragana
Carpinus
Carya
Caryopteris
Castanea
Catalpa
Cedrus
Celastrus
Celtis
Cephalanthus
Cercidiphyllum
Cercis
Chaenomeles
Chamaecyparis
Chionanthus
Cladrastis
Clematis
Clethra
Comptonia
Cornus
Corylopsis
Corylus
Cotinus
Cotoneaster
Crataegus
Cryptomeria
Cunninghamia
Cupressocyparis
Cytisus
Daphne
Davidia
Deutzia
Diervilla
Diospyros
Dirca
Elaeagnus
Eleutherococcus
Enkianthus
Erica
Eucommia
Euonymus
Exochorda
Fagus
Fallopia
Forsythia
Fothergilla
Franklinia
Fraxinus
Ginkgo
Gleditsia
Gymnocladus
Halesia
Hamamelis
Hedera
Hibiscus
Hippophae
Hovenia
Hydrangea
Hypericum
Ilex
Itea
Juglans
Juniperus
Kalmia
Kalopanax
Kerria
Koelreuteria
Kolkwitzia
Laburnum
Lagerstroemia
Larix
Leucothoe
Ligustrum
Lindera
Liquidambar
Liriodendron
Lonicera
Maackia
Maclura
Magnolia
Mahonia
Malus
Menispermum
Metasequoia
Microbiota
Morus
Myrica
Nyssa
Ostrya
Oxydendrum
Pachysandra
Parrotia
Parthenocissus
Paulownia
Paxistima
Phellodendron
Philadelphus
Physocarpos
Picea
Pieris
Pinus
Platanus
Platycladus
Populus
Potentilla
Prunus
Pseudolarix
Pseudotsuga
Pyracantha
Pyrus
Quercus
Rhamnus
Rhododendron
Rhodotypos
Rhus
Ribes
Robinia
Rosa
Salix
Sambucus
Sassafras
Sciadopitys
Sequoia
Sequoiadendron
Sophora
Sorbaria
Sorbus
Spiraea
Stephanandra
Stewartia
Styrax
subsp.
Symphoricarpos
Syringa
Taxodium
Taxus
Tetradium
Thuja
Tilia
Tsuga
Ulmus
Vaccinium
var.
Viburnum
Vinca
Weigela
Wisteria
Xanthorhiza
Zelkova
Choose a species
Rhododendron 'Boule de Neige'
Rhododendron 'Exbury Hybrids'
Rhododendron 'Exbury Hybrids' 'Gibraltar'
Rhododendron 'Karen's'
Rhododendron 'Olga Mezitt'
Rhododendron 'PJM'
Rhododendron calendulaceum
Rhododendron carolinianum
Rhododendron catawbiense
Rhododendron catawbiense 'Lee's Dark Purple'
Rhododendron catawbiense 'Nova Zembla'
Rhododendron catawbiense 'Roseum Elegans'
Rhododendron catawbiense var. album
Rhododendron mucronulatum
Rhododendron schlippenbachii
Rhododendron x 'Golden Lights'
Rhododendron x 'Northern Lights'
Rhododendron x 'Rosy Lights'
Rhododendron x 'Spicy Lights'
Rhododendron x 'White Lights'
Rhododendron yakushimanum
Rhododendron yedoense
Rhododendron yedoense var. poukhanense
Rhododendron schlippenbachii
Royal azalea
The young stems are light brown and glandular pubescent in the first year becoming glabrous in the second year.
All information on this site is copyright protected. Please see our
copyright statement
.
©2025
Gary J. Kling, University of Illinois at Urbana-Champaign
Christopher P. Lindsey,
hort.net
,
NCSA
Mark E. Zampardo, College of Lake County
