Landscape Shrubs of Arkansas (R - S) By Scientific Name

Scientific Name	Common Name	Comments

Rhaphiolepis umbellata	Indian Hawthorn	Size: small (4' tall by 6' wide) broadleaf evergreen Flowers: white/soft pink flowers in April Fruit: dark purple/black fruit Fall/winter color: some have darker winter foliage; new, emerging foliage can be attractive Culture: sun; best in moist soil; cold hardy in zones 7 and 8 Disease/insect: fungal leaf spot more an aesthetic issue Use: massed Cultivars: Olivia™ , Eleanor Taber™ , Bay Breeze™
Rhododendron sp.	Azalea	Size: small/medium; deciduous or evergreen Culture: partial shade; best in rich soil with organic matter and provide adequate moisture during summer Disease/insect: lace bug very common (causes gold spotting on leaves) Use: massed, woodland gardens, foundation Large number of species/hybrids/cultivars; vary in flower color, plant size, cold hardiness
Rhododendron sp.	Rhododendron	Size: medium/large (9' tall by 9' wide) broadleaf evergreen Flowers: dramatic flowers (vary in color from white, purple, pink, red) Culture: partial shade; demands soil with organic matter and adequate moisture during summer; True rhododendrons are better suited to Northwest Arkansas or shaded landscapes in central Arkansas with soils rich in organic matter and moisture Cultivars: many different species and cultivars
Rosa rugosa	Rugosa Rose	Size: medium (5' tall by 5' wide) deciduous shrub Flowers: pink/purple flowers Fruit: orange, rose hip Fall color: orange/red in cooler climates, generally not great in south Culture: full sun; drought tolerant once established Disease/insect: none serious; Less affected by diseases than hybrids Use: massed Cultivars: species rose
Rosa sp.	Hybrid Tea Rose	Hundreds of choices for flower color Full sun Disease/insect: black spot fungus Usually require lots of care
Spiraea x bumalda	Bumald Spirea	Size: low (3' tall by 3' wide) deciduous shrub Flowers: showy, pink/purple flowers several months during summer Fruit: not significant Fall color: none Culture: full sun; drought tolerant Disease/insect: none significant Cultivars: 'Anthony Waterer', 'Froebelii', and yellow/green foliage forms 'Goldflame' and 'Limemound'
Spiraea prunifolia	Bridalwreath Spirea	Size: medium (6' tall by 7' wide) deciduous shrub Flowers: dramatic white flowers in early spring (March) Fruit: not significant Fall color: none Culture: full sun; adaptable to most soils Disease/insect: none Use: deciduous hedge, massed, mixed shrub border Prune after spring flower display
Spiraea x vanhouttei	Vanhoutte Spirea	Size: medium (6' tall by 7' wide) deciduous shrub, classic arching stems Flowers: dramatic white flowers in mid-spring (April) Fruit: not significant (dry capsule) Fall color: depending on fall can be nice purple/orange Culture: full sun; adaptable to most soils Disease/insect: none serious Use: massed, mixed shrub border Prune after flowering
Syringa vulgaris	Common Lilac	Size: large (10' tall by 8' wide) deciduous shrub Flowers: hundreds of cultivars, flower colors white, pink, purple; exceptional fragrance Fruit: not significant (dry capsule) Fall color: none Culture: full sun; adaptable to most soils; Best suited to Northwest Arkansas (cooler) Disease/insect: lilac borer; powdery mildew Uses: deciduous hedge Cultivars: hundreds

Pictures of chickens, flowers, wheat, a boy looking through a magnifying glass, irrigation pipe, soybean pods, and fruits and vegetables.	Cooperative Extension Service





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Plant Database Landscape Shrubs R - S by Scientific Name

Plant Database
Landscape Shrubs R - S by Scientific Name