Tree Purdue Plant Doctor Available Pyrus salicifolia [Willowleaf Pear] The Willowleaf Pear is an uncommon, but elegant tree with arching branches covered with silvery, narrow, willow-like foliage. Attractive clusters of white flowers appear in the spring. Severe fireblight susceptibility. Purdue Plant Doctor Available
Tree Indiana Native Audio Recording AvailableID That Tree Video AvailablePurdue Plant Doctor Available Quercus montana [Chestnut Oak] Naturally grows in rocky places and poor, dry sites. Dislikes poor drainage. Bark has the highest tannin content of any Quercus species. Indiana NativeAudio Recording AvailableID That Tree Video AvailablePurdue Plant Doctor Available
Shrub Audio Recording AvailablePurdue Plant Doctor Available Rhododendron × 'Aglo' (P.J.M. Hybrid Group) [Aglo Rhododendron] 'Aglo' is a compact grower and early bloomer. One of the most cold tolerant flower buds of the evergreen rhododendrons. Avoid harsh, dry, windswept sites. Susceptible to a large number of pests and diseases, which can largely be prevented by good cultural practices. Audio Recording AvailablePurdue Plant Doctor Available
Shrub Audio Recording AvailablePurdue Plant Doctor Available Rhododendron catawbiense [Catawba Rhododendron] The Catawba Rhododendron is considered to be one of the hardiest rhododendron species. Beautiful plant when it is used in mass. Flower color of the species does not combine well with some other flower colors. Flower color bleaches out in high pH. Subject to winter burning of foliage in exposed sites near the limits of its range. Both flowers and foliage are of equal value in the landscape. Cultivars are usually less hardy than species.… Audio Recording AvailablePurdue Plant Doctor Available
Shrub Purdue Plant Doctor Available Rhododendron catawbiense 'Chionoides' [Chionoides Rhododendron] White flowers have the yellow centers and make numerous dome shaped trusses. The broad, dense plant is easy to grow and has attractive, narrow foliage. Purdue Plant Doctor Available
Shrub Audio Recording AvailablePurdue Plant Doctor Available Rhododendron catawbiense 'Lee’s Dark Purple' [Lee's Dark Purple Catawba Rhododendron] The compact, but wide and bushy 'Lee's Dark Purple' is common in commerce. Avoid harsh, dry, windswept sites. Subject to winter burning of foliage in exposed sites near the limits of its range. Withstands -20 degrees Fahrenheit. Flower color bleaches out in high pH. Interveinal chlorosis can also occur in high pH soils. Sulfur can be added to increase the acidity of the soil, but this is not a permanent solution to these problems. Susceptible… Audio Recording AvailablePurdue Plant Doctor Available
Shrub Purdue Plant Doctor Available Rhododendron catawbiense 'Mrs. C.S. Sargent' [Mrs. C.S. Sargent Catawba Rhododendron] Flower color bleaches out in high pH. Subject to winter burning of foliage in exposed sites near the limits of its range, however, this is a good cultivar for cold areas. Susceptible to a large number of pests and diseases, which can largely be prevented by good cultural practices. Purdue Plant Doctor Available
Shrub Audio Recording AvailablePurdue Plant Doctor Available Rhododendron catawbiense 'Pearce’s American Beauty' [Pearce's American Beauty Catawba Rhododendron] Flower color bleaches out in high pH. Subject to winter burning of foliage in exposed sites near the limits of its range. Susceptible to a large number of pests and diseases, which can largely be prevented by good cultural practices. Audio Recording AvailablePurdue Plant Doctor Available
Shrub Audio Recording AvailablePurdue Plant Doctor Available Rhododendron catawbiense 'Roseum Elegans' [Roseum Elegans Catawba Rhododendron] A reliable bloomer that is common in commerce. Flower color does not always combine well with some other flower colors. Flower color bleaches out in high pH. Can be subject to winter burning of foliage in exposed sites near the limits of its range, but this cultivar can tolerate extreme heat and extreme cold (to -25 degrees Fahrenheit). Susceptible to a large number of pests and diseases, which can largely be prevented by good cultural… Audio Recording AvailablePurdue Plant Doctor Available
Shrub Audio Recording AvailablePurdue Plant Doctor Available Rhododendron × 'Elite' (P.J.M. Hybrid Group) [Elite Rhododendron] 'Elite' is a large, vigorous rhododendron and one of the earliest P.J.M. cultivars to bloom. One of the most cold tolerant flower buds of the evergreen rhododendrons. Flowers can become a dirty looking lavender 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. Audio Recording AvailablePurdue Plant Doctor Available