Shrub Purdue Plant Doctor Available Kalmia latifolia 'Elf' [Elf Mountain-laurel] The Elf Mountain-laurel is a dwarf broadleaf evergreen shrub with an abundance of interesting flower buds and stunning flowers. Site and exposure requirements similar to Rhododendron, that is, acidic, well drained soil and at least light protection from afternoon sun in winter for best results. Mulch to keep roots cool. Hardiness varies widely with geographic source of genetic material. Does not tolerate extremely dry conditions. Flowering is reduced by shade, but deadheading enhances flowering for… Purdue Plant Doctor Available
Shrub Purdue Plant Doctor Available Kalmia latifolia 'Minuet' [Minuet Mountain-laurel] The Minuet Mountain-laurel is a dwarf broadleaf evergreen shrub with an abundance of interesting flower buds and stunning flowers. Site and exposure requirements similar to Rhododendron, that is, acidic, well drained soil and at least light protection from afternoon sun in winter for best results. Mulch to keep roots cool. Hardiness varies widely with geographic source of genetic material. Does not tolerate extremely dry conditions. Flowering is reduced by shade, but deadheading enhances flowering for… Purdue Plant Doctor Available
Tree Audio Recording Available Kalopanax septemlobus [Castor Aralia] No disease or insect problems. Stout prickles could cause injury. Slight weediness via the seeds. Not common in commerce. Audio Recording Available
Shrub Audio Recording AvailablePurdue Plant Doctor Available Kerria japonica [Japanese Kerria] Fairly adaptable to soils and microclimates, including considerable shade; best out of extremely sunny exposures. Occasionally winter-injured in the north, but otherwise relatively trouble-free. Suckers and spreads slowly. Needs occasional pruning to remove dead branches and renewal pruning to maintain form. Audio Recording AvailablePurdue Plant Doctor Available
Shrub Audio Recording AvailablePurdue Plant Doctor Available Kerria japonica 'Golden Guinea' [Golden Guinea Japanese Kerria] 'Golden Guinea' has crisply textured leaves and bears an abundance of large yellow flowers. Fairly adaptable to soils and microclimates, including considerable shade; best out of extremely sunny exposures. Occasionally winter-injured in the north, but otherwise relatively trouble-free. Suckers and spreads slowly. Needs occasional pruning to remove dead branches and renewal pruning to maintain form. Audio Recording AvailablePurdue Plant Doctor Available
Shrub Audio Recording AvailablePurdue Plant Doctor Available Kerria japonica 'Pleniflora' [Double Flowered Japanese Kerria] 'Pleniflora' is a very popular cultivar of Japanese Kerria with its long lasting, bright yellow, double flowers that are nearly spherical, reminiscent of "pom-poms". Fairly adaptable to soils and microclimates, including considerable shade; best out of extremely sunny exposures. Occasionally winter-injured in the north, but otherwise relatively trouble-free. Suckers and spreads slowly. Needs occasional pruning to remove dead branches and renewal pruning to maintain form. Audio Recording AvailablePurdue Plant Doctor Available
Shrub Kolkwitzia amabilis [Beautybush] The Beautybush is an arching, deciduous shrub known for its spectacular pink flower show in the spring. However, it can be too coarse for the landscape when not in bloom. Dead wood should be removed and the plant should be pruned (even hard pruning to the ground) every few years to prevent the plant from becoming overgrown. Plants bloom on old wood so hard prunings will result in loss of bloom, but will improve the…
Tree Purdue Plant Doctor Available Larix kaempferi [Japanese Larch] The Japanese Larch is a very large (up to 90' by 40'), conical, deciduous conifer with broad, horizontal branches. The bright green needles become an attractive golden-yellow in the fall. Should be given ample room to grow. Purdue Plant Doctor Available
Shrub InvasiveThis plant is considered invasive Purdue Plant Doctor Available Ligustrum amurense [Amur Privet] Performs well as an informal hedge, but perhaps too coarse to be a good formal clipped hedge. Extremely tolerant of different soils and climates. Can be coppiced to rejuvenate. Can be invasive by seed. Purdue Plant Doctor Available
Shrub InvasiveThis plant is considered invasive Audio Recording AvailableID That Tree Video AvailablePurdue Plant Doctor Available Ligustrum obtusifolium var. regelianum [Regelianum Border Privet] Ligustrum obtusifolium var. regelianum adds an interesting textural effect to the landscape with its horizontally arranged branches and distichously arranged (in one, flat plane) leaves. An excellent plant used as an informal hedge, but perhaps too coarse to be a good formal clipped hedge. Extremely tolerant of different soils and climates. Can be coppiced to rejuvenate. Can be invasive by seed. Audio Recording AvailableID That Tree Video AvailablePurdue Plant Doctor Available