Prunus 'Kanzan'
Common Name(s):
Previously known as:
- Prunus ‘Kwanzan’
- Prunus 'sekiyama'
- Prunus ‘Sekizan’
- Phonetic Spelling
- PROO-nus
- This plant has low severity poison characteristics.
- See below
- Description
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Japanese Flowering Cherry is a small, deciduous, showy tree that grows up to 36', is rounded, spreading, has stiffly ascending branches, and is in the rose family. Young trees have a vase-shaped habit that becomes more spreading with a rounded crown into maturity. These trees prefer sandy to clay moist well-drained loams in full sun but will tolerate light shade. This plant has viral and fungal diseases and is susceptible to borers and scale.
This tree blooms with abundant clusters of double pink blooms in the spring and is considered one of the showiest of the Japanese cherries. Fruit ripens in the summer. When the leaves fill out they provide excellent shade. Fall leaf color is usually orange-bronze. Grafted trees may only reach 6.5' tall, but grown on their own roots, they will reach the full height. This plant is the domestix cherry in Japan and is called 'Sato Zakura' which means 'domestic cherry'.
Use this tree as a specimen, in groups, as a street tree, in parks or other public areas.
Insects, Diseases, and Other Plant Problems: Potential diseases include leaf spot, dieback, leaf curl, powdery mildew, root rot and fireblight. Potential insects include aphids, scale, borers, leafhoppers, caterpillars, tent caterpillars and Japanese beetles. Spider mites may also be troublesome.
Quick ID Hints:
- Large, pink, double flowers in pendulous clusters of 3-5
- Leat teeth with slender stalks bearing ga gland
- Large, wart-like glands (2-4) on petiole look like spider eyes
- See this plant in the following landscape:
- Cottage Garden in Shade
- Cultivars / Varieties:
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- Tags:
- Cultivars / Varieties:
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- Tags:
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Attributes:
- Genus:
- Prunus
- Family:
- Rosaceae
- Life Cycle:
- Woody
- Recommended Propagation Strategy:
- Grafting
- Country Or Region Of Origin:
- Japan
- Dimensions:
- Height: 25 ft. 0 in. - 36 ft. 0 in.
- Width: 25 ft. 0 in. - 30 ft. 0 in.
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Whole Plant Traits:
- Plant Type:
- Tree
- Woody Plant Leaf Characteristics:
- Deciduous
- Habit/Form:
- Ascending
- Rounded
- Vase
- Growth Rate:
- Medium
- Maintenance:
- 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 Drainage:
- Good Drainage
- Moist
- Occasionally Dry
- Available Space To Plant:
- 24-60 feet
- NC Region:
- Coastal
- Mountains
- Piedmont
- USDA Plant Hardiness Zone:
- 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 Description:
- Fruits are a orbicular drupe (cherry) and black in color.
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Flowers:
- Flower Color:
- Pink
- Flower Inflorescence:
- Corymb
- Flower Value To Gardener:
- Showy
- Flower Bloom Time:
- Spring
- Flower Shape:
- Cup
- Flower Petals:
- more than 20 petals/rays
- Flower Size:
- 1-3 inches
- Flower Description:
- Abundant blooms are produced on pendulous clusters in spring before the leaves. Each deep pink double bloom has 20-30 petals and is 2.5 inches across. Pedicels grow up to 1.5" long. Inflorescence is a congested corymb with 3-5 flowers.
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Leaves:
- Woody Plant Leaf Characteristics:
- Deciduous
- Leaf Color:
- Green
- Leaf Value To Gardener:
- Showy
- Deciduous Leaf Fall Color:
- Gold/Yellow
- Orange
- Leaf Type:
- Simple
- Leaf Arrangement:
- Alternate
- Leaf Shape:
- Ovate
- Leaf Margin:
- Serrate
- Hairs Present:
- No
- Leaf Length:
- 3-6 inches
- Leaf Width:
- 1-3 inches
- Leaf Description:
- Leaves are alternate, simple, ovate to ovate-lanceolate, long acuminate, cuneate or rounded, serrate with slender stalked gland, glabrous and reddish brown or bronze when unfolding, and are red-tinted green when mature. Leaves have petioles that grow up to an inch long with 2 to 4 reddish-brown, shiny, orbicular glands near petiole apex. Young leaves have a bronzy cast and then turn dark green. The 5 inch long leaves turn yellow to orange in the fall.
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Bark:
- Bark Color:
- Dark Brown
- Dark Gray
- Red/Burgundy
- Surface/Attachment:
- Furrowed
- Bark Description:
- The bark starts reddish-brown and later turns grey or brownish-grey and furrowed. Bark has conspicuous lenticels.
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Stem:
- Stem Color:
- Brown/Copper
- Red/Burgundy
- Stem Is Aromatic:
- No
- Stem Buds:
- Scaly
- Stem Bud Terminal:
- Only 1 terminal bud, smaller than side buds
- Stem Cross Section:
- Round
- Stem Form:
- Straight
- Stem Surface:
- Smooth (glabrous)
- Stem Description:
- Reddish-brown stems
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Landscape:
- Landscape Location:
- Lawn
- Landscape Theme:
- Asian Garden
- Design Feature:
- Flowering Tree
- Shade Tree
- Small groups
- Small Tree
- Specimen
- Street Tree
- Problems:
- Frequent Disease Problems
- Frequent Insect Problems
- Problem for Cats
- Problem for Dogs
- Problem for Horses
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Poisonous to Humans:
- Poison Severity:
- Low
- Poison Symptoms:
- Stems, leaves, seeds contain cyanide, particularly toxic in the process of wilting: brick red mucous membranes, dilated pupils, difficulty breathing, panting, shock.
- Poison Toxic Principle:
- Cyanogenic glycosides
- Causes Contact Dermatitis:
- No
- Poison Part:
- Leaves
- Seeds
- Stems
