Shrub Juniperus squamata 'Blue Star' [Blue Star Singleseed Juniper] 'Blue Star' is low, dense, and mounded with handsome silvery blue-green foliage. This plant gained its common name from the single seed borne by each cone. Widely adapted to soils and climates. Does well in alkaline soils, but not wet soils. Susceptible to bagworms.
Shrub Juniperus squamata 'Meyeri' [Meyer Singleseed Juniper] 'Meyeri' is a dense, bushy female cultivar that has striking steel-blue foliage. Unfortunately, this cultivar retains dead needles on its branches and can become unattractive with age. This plant gained its "Singleseed Juniper" common name from the individual seed borne by each cone. Widely adapted to soils and climates. Does well in alkaline soils, but not wet soils. Susceptible to bagworms.
Shrub Juniperus squamata 'Variegata' [Variegated Singleseed Juniper] 'Variegata' is a low-growing and spreading shrub with creamy white new shoots. This plant gained its common name from the single seed borne by each cone. Widely adapted to soils and climates. Does well in alkaline soils, but not wet soils. Susceptible to bagworms.
Shrub Kalmia latifolia [Mountain-laurel] Mountain-laurel is an Ericaceous broadleaf evergreen shrub with an abundance of interesting flower buds and stunning flowers in the spring. 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…
Shrub 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…
Shrub 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…
Tree Kalopanax septemlobus [Castor Aralia] No disease or insect problems. Stout prickles could cause injury. Slight weediness via the seeds. Not common in commerce.
Shrub 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.
Shrub 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.
Shrub Kerria japonica 'Pleniflora' [Double 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.
