Prunus serrulata 'Ukon'
Common Name(s):
- Phonetic Spelling
- PROO-nus ser-yoo-LAY-tuh
- Description
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Japanese Flowering Cherry is a cultivar of P. serrulata, a small to medium sized flowering, deciduous tree in the rose family. The cultivar is a vigorous, small tree, reaching close to 30 feet high and 26 feet wide when mature and noted for its large, rose-like flowers that bloom profusely in the spring. The leaves emerge bronze, change to green and in fall have shades of red and purple.
Grow this tree in moist, well-drained, loamy garden soil in full sun. It does not tolerate wet soils and is frequently damaged by deer. Japanese Flowering Cherry produces maximum blooms when sited in full sun. Provide good air circulation to reduce the risk of disease.
Japanese Flowering Cherry is typically used as an ornamental tree for small spaces or in small groups. Pruning is usually not necessary, but if used to control silver leaf, prune in mid-summer.
Be aware that the leaves, stems, and seeds are toxic to cat, dogs, and horses. The trunk of the tree is prone to splitting. The tree bark is thin and is easily damaged.
Diseases, Insect Pests, and Other Plant Problems:
Susceptible to aphids, borers, scales, spider mites, leafhoppers, caterpillars, Japanese beetles, and tent caterpillars. Possible diseases include dieback, leaf curl, root rot, fire blight, leaf spot, twig cankers, black knot, galls, and powdery mildew. It can be a short-lived tree.
- See this plant in the following landscape:
- Cultivars / Varieties:
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- Cultivars / Varieties:
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- Tags:
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Attributes:
- Genus:
- Prunus
- Species:
- serrulata
- Family:
- Rosaceae
- Life Cycle:
- Woody
- Wildlife Value:
- This is a larval host plant to Eastern Tiger Swallowtail (Papilio glaucus). Birds relish the fruits, though they are not plentiful.
- Dimensions:
- Height: 13 ft. 0 in. - 26 ft. 0 in.
- Width: 15 ft. 0 in. - 25 ft. 0 in.
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Whole Plant Traits:
- Plant Type:
- Perennial
- Tree
- Woody Plant Leaf Characteristics:
- Deciduous
- Habit/Form:
- Dense
- Erect
- Spreading
- Vase
- Growth Rate:
- Medium
- Maintenance:
- Medium
- Texture:
- Medium
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Cultural Conditions:
- Light:
- Full sun (6 or more hours of direct sunlight a day)
- Partial Shade (Direct sunlight only part of the day, 2-6 hours)
- Soil Texture:
- Clay
- Loam (Silt)
- Sand
- Soil pH:
- Neutral (6.0-8.0)
- Soil Drainage:
- Good Drainage
- Moist
- NC Region:
- Coastal
- Mountains
- Piedmont
- USDA Plant Hardiness Zone:
- 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b
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Fruit:
- Fruit Color:
- Black
- Display/Harvest Time:
- Summer
- Fruit Type:
- Drupe
- Fruit Length:
- < 1 inch
- Fruit Width:
- < 1 inch
- Fruit Description:
- The fruit is an inconspicuous, small, round, fleshy black drupe and appear in late summer.
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Flowers:
- Flower Color:
- Gold/Yellow
- Green
- Pink
- Flower Value To Gardener:
- Fragrant
- Showy
- Flower Bloom Time:
- Spring
- Flower Shape:
- Cup
- Flower Petals:
- more than 20 petals/rays
- Flower Size:
- 1-3 inches
- Flower Description:
- 1 1/2 to 2 inch semi-double to double greenish-yellow or light green flowers with a pink center in April. Blooms in clusters.
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Leaves:
- Woody Plant Leaf Characteristics:
- Deciduous
- Leaf Color:
- Brown/Copper
- Gold/Yellow
- Green
- Leaf Feel:
- Glossy
- Leaf Value To Gardener:
- Showy
- Deciduous Leaf Fall Color:
- Purple/Lavender
- Red/Burgundy
- Leaf Type:
- Simple
- Leaf Arrangement:
- Alternate
- Leaf Shape:
- Lanceolate
- Leaf Margin:
- Serrate
- Hairs Present:
- No
- Leaf Length:
- 3-6 inches
- Leaf Width:
- 1-3 inches
- Leaf Description:
- Four inch lance-shaped leaves with serrated margins. New growth is bronze turning to green. Purplish brown to purplish-red fall color.
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Bark:
- Bark Color:
- Light Brown
- Surface/Attachment:
- Peeling
- Bark Description:
- Smooth coppery-brown peeling bark
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Stem:
- Stem Color:
- Brown/Copper
- Gold/Yellow
- Stem Is Aromatic:
- No
- Stem Surface:
- Smooth (glabrous)
- Stem Description:
- The twigs are a glossy yellow-brown.
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Landscape:
- Landscape Location:
- Lawn
- Patio
- Landscape Theme:
- Asian Garden
- Butterfly Garden
- Pollinator Garden
- Design Feature:
- Border
- Flowering Tree
- Small Tree
- Specimen
- Attracts:
- Pollinators
- Problems:
- Problem for Cats
- Problem for Dogs
- Problem for Horses