Shrub Abelia × grandiflora [Glossy Abelia] Glossy Abelia can develop chlorosis on high pH soils. Yearly pruning is required to remove deadwood and this plant may become leggy with age if not killed back in winter.
Herbaceous Acorus calamus 'Variegatus' [Variegated Sweet Flag] A small herbaceous perennial that does best in full sun to part shade. The variegated cultivar has leaf blades that are striped white and green.
Shrub/Tree Aesculus pavia [Red Buckeye] The Red Buckeye can be a small tree or clump-forming, multi-stemmed shrub. The lustrous, deep green foliage is attractive, but tends to decline by August. Susceptible to leaf blotch, but less susceptible to mildew than Aesculus hippocastanum.
Tree Indiana Native Amelanchier arborea [Downy Serviceberry] Would grow well on a streambank. Susceptible to rust, leaf blight, powdery mildew, fruit rot, leaf minor, borers, and scale. Rarely requires pruning.
Shrub Calycanthus floridus [Common Sweetshrub] The Common Sweetshrub was one of the first native plants in the US used as an ornamental. Widely adapted to soil and sun or shade. Certain selections can permeate an area with fragrance. Can be forced for indoor fragrance. Not all plants have equally fragrant flowers; don't use seed propagated plants for that reason. Seeds are poisonous, causing convulsions, myocardial depression, and hypotension.
Shrub/Tree Cornus mas [Cornelian Cherry Dogwood] Large multi-stemmed shrub or small tree of oval rounded outline, usually branching to the ground. Small yellow flowers are beautiful when borne in mass in the spring. No serious disease problems. Sometimes it suckers abundantly, and these suckers should be removed to control spread; this is especially important if maintaining this plant in tree form.
Shrub/Tree Cornus officinalis [Japanese Cornel Dogwood] The Japanese Cornel Dogwood is a large multi-stemmed shrub or small tree of oval rounded outline, usually branching to the ground. No serious disease problems, although it sometimes suckers abundantly. These suckers should be removed to control spread; this is especially important if maintaining this plant in tree form. Closely related to Cornus mas, but tends to have more attractive bark, is more open in habit, flowers one to two weeks earlier, and is slightly…
Shrub Cotoneaster divaricatus [Spreading Cotoneaster] One of the most ornamental and trouble-free of the cotoneasters, although subject to the troubles of Rosaceous plants on occasion. These include lacebugs, scale, mites, and fireblight, but they are not usually a serious problem.
Shrub Cotoneaster horizontalis [Rockspray Cotoneaster] C. horizontalis is a low, flat, dense shrub with horizontally spreading branches creating a tiered effect. A generally trouble-free cotoneaster, although can be subject to the troubles of Rosaceous plants on occasion. Fireblight is more problematic for this species in the South.
Tree Indiana Native Crataegus mollis [Downy Hawthorn] Quite susceptible to cedar-hawthorn rust, with leaves heavily spotted with orange in some years. Rust limits usage in many areas. Large fruit pose a maintenance issue when they drop.
