Shrub Rhododendron × 'Northern Starburst' (P.J.M. Hybrid Group) [Northern Starburst Rhododendron] One of the most cold tolerant flower buds of the evergreen rhododendrons. Flowers can become a dirty looking mauve-lavender soon after opening. Susceptible to a large number of pests and diseases, which can largely be prevented by good cultural practices.
Shrub Rhododendron × 'Olga Mezitt' (P.J.M. Hybrid Group) [Olga Mezitt Rhododendron] 'Olga Mezitt' is a vigorous rhododendron with pink flowers. One of the most cold tolerant flower buds of the evergreen rhododendrons. Flowers can become dirty looking soon after opening. Avoid harsh, dry, windswept sites. Susceptible to a large number of pests and diseases, which can largely be prevented by good cultural practices.
Shrub Rhododendron × 'P.J.M.' (P.J.M. Hybrid Group) [P.J.M. Rhododendron] One of the most cold tolerant flower buds of the evergreen rhododendrons. Flowers can become a dirty looking lavender soon after opening. Quite variable in form and flower color. Avoid harsh, dry, windswept sites. Susceptible to a large number of pests and diseases, which can largely be prevented by good cultural practices.
Shrub Rhododendron × 'Purple Gem' [Purple Gem Rhododendron] 'Purple Gem' is a compact, rounded, dwarf rhododendron that is hardy to 15 degrees Fahrenheit. Avoid harsh, dry, windswept sites. Susceptible to a large number of pests and diseases, which can largely be prevented by good cultural practices.
Shrub Rhododendron sp. [Rhododendron] The massive genus of Rhododendron has between 800 and 900 species and countless hybrids and cultivars of numerous sizes, flower colors, and hardiness levels. Plants of this genus can be evergreen or deciduous. Azaleas are part of the Rhododendron genus.
Shrub Rhododendron × 'Victor' (P.J.M. Hybrid Group) [Victor Rhododendron] The compact and slow-growing cultivar 'Victor' is the earliest of the 'P.J.M' Hybrid group to bloom. One of the most cold tolerant flower buds of the evergreen rhododendrons. Flowers can become a dirty looking lavender soon after opening. Susceptible to a large number of pests and diseases, which can largely be prevented by good cultural practices.
Shrub Rhodotypos scandens [Black Jetbead] Relatively trouble-free. Tolerant of a variety of soils and environments, particularly dryness and shade. Commonly becomes straggly if growing in a site that is too dry or too wet.
Shrub Indiana Native Rhus aromatica [Fragrant Sumac] A highly variable species in both ultimate height and fall foliage color. Color probably also varies with soil type, possibly as a function of moisture content. Plants are native to dry, sandy, and rocky soils, and usually color well under these conditions. Useful for bank stabilization since it develops roots on stems touching the soil. It also suckers. Can spread too quickly for some sites (spreading rhizomes). Shear to ground to rejuvenate (try a brush-hog).
Shrub Rhus aromatica 'Gro-low' [Low Growing Fragrant Sumac] 'Gro-low', as the name implies, is a very low-growing (and popular) female cultivar. Rhus aromatica is native to dry, sandy, and rocky soils, and usually colors well under these conditions. Useful for bank stabilization since it develops roots on stems touching the soil. It also suckers. Can spread too quickly for some sites (spreading rhizomes). Shear to ground to rejuvenate (try a brush-hog).
