Woody Plants Database [http://woodyplants.cals.cornell.edu] Species: Kerria japonica (kare'ee-ah ja-pon'i-kah) Japanese Kerria; Kerria Rose Cultivar Information * See specific cultivar notes on next page. Ornamental Characteristics Size: Shrub 4 to 8 feet Height: 3' - 6' (spread 9') Leaves: Deciduous Shape: rounded Ornamental Other: full sun to part shade Environmental Characteristics Light: Part shade Hardy To Zone: 5b Soil Ph: Can tolerate acid to alkaline soil (pH 5.0 to 8.0) Environmental Other: full sun to part shade Insect Disease trouble free Bare Root Transplanting Moderately difficult Other native to China; transplant B & B or container Moisture Tolerance 1 Woody Plants Database [http://woodyplants.cals.cornell.edu] Occasionally saturated Consistently moist, Occasional periods of Prolonged periods of or very wet soil well-drained soil dry soil dry soil 1 2 3 4 5 6 7 8 9 10 11 12 2 Woody Plants Database [http://woodyplants.cals.cornell.edu] Cultivars for Kerria japonica Showing 1-7 of 7 items. Cultivar Name Notes Pleniflora 'Pleniflora' - double flowers Variegata 'Variegata' (a.k.a. 'Picta') - leaves edged in white Golden Guinea 'Golden Guinea' - large flowers (to 2" wide); long blooming period Kin Kan 'Kin Kan' (a.k.a. 'Aureovittata') - stems color up yellow with thin green stripes in winter; frequently reverts Shannon 'Shannon' - vigorous; grows to 6' tall; blooms earlier than species Chiba Gold ‘Chiba Gold’ - gold to chartreuse foliage, colors well in shade Honshu ‘Honshu’ - larger, 2-inch, single flowers with petals that overlap and give a fuller effect; slightly smaller than species, grows to 5' tall x 3' wide 3 Woody Plants Database [http://woodyplants.cals.cornell.edu] Photos Fall color 4 Woody Plants Database [http://woodyplants.cals.cornell.edu] Kerria japonica - Flowers Kerria japonica - Flower 5 Woody Plants Database [http://woodyplants.cals.cornell.edu] Kerria japonica - Flowers Kerria japonica - Habit 6 Woody Plants Database [http://woodyplants.cals.cornell.edu] Kerria japonica - Habit Kerria japonica - Habit 7 Woody Plants Database [http://woodyplants.cals.cornell.edu] Kerria japonica - Flowers 8.