Prunus serrulata 'Sekiyama'
Sekiyama Japanese Flowering Cherry
Other Common Names: Kanzan Japanese Flowering Cherry

Also known as:  Prunus serrulata 'Kwanzan', Prunus serrulata 'Kanzan'
 Plant Type:
 Growth Forms:
 Hardiness:
 Deciduous / Evergreen:
 Flower Notes:
Pink (Very showy deep pink, double, large (2.5" diam.) flowers appearing in April)
 Foliage Notes:
Red (Foliage emerges red-tinged in the spring); Green (Summer foliage is deep green); Orange (Fall; attractive orange-bronze)
 Ultimate Height:
30-40 feet
 Ultimate Spread:
30-40 feet
 Bloom Times:
 Fruiting Times:
 Light Requirements:
 Soil Water Requirements:
 Soil Notes:
Fairly tolerant of soils, but they must be well-drained
 Range:
Cultivated origin
 Maintenance:
 Diagnostic Characteristics:
Leaves are 2-5" long, 0.5-1.25" wide, simple, alternate, lanceolate, and finely serrated with a petiole that has 3 to 4 glands. The bark is an attractive, lustrous silver-brown to red brown with large, prominent, horizontal lenticels. This cultivar produces no fruit.

Additional Information

The Japanese Flowering Cherry prefers rich, moist, well-drained loams and full sun. It can tolerate part shade (at the expense of blooms), as well as heat, humidity, and even some drier soils (once it is established). This tree is susceptible to many pests, including leaf spot, powdery mildew, fireblight, Japanese beetles, aphids, scale, borers, leafhoppers, and caterpillars. 'Kwanzan', which is also known as 'Kanzan' or 'Sekiyama,' grows 30 to 40 feet high. This variant, sometimes sold as a grafted tree, has large, dark pink, double flowers, and does not produce fruit. It is the most popular form of the Japanese Flowering Cherry, but unfortunately also tends to be short-lived. Prunus serrulata 'Kwanzan' is also one of the cherry trees used for the annual Cherry Blossom Festival in Washington, D.C.

When Prunus serrulata 'Sekiyama' has been observed flowering or fruiting at Purdue University

Flowering

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Fruiting

JanFebMarAprMayJunJulAugSepOctNovDec
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15 Prunus serrulata 'Sekiyama' found

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= Heritage plant = Memorial plant
Number Accession ID Location
12013_00001*ANLSN
22009_13232*AHORTPARK
32018_01262*AMJIS
42018_01264*AMJIS
52018_01263*AMJIS
62018_01277*AMJIS
72018_01273*AMJIS
82023_00164*AMCUT
92023_00378*AMRGN
102023_00378*BMRGN
112023_00378*CMRGN
122023_00378*DMRGN
132023_00378*EMRGN
142024_00214*AJNSN
152024_00214*BJNSN

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