Parthenocissus tricuspidata
Boston Ivy
Other Common Names:  Japanese Creeper

 Growth Forms:
 Hardiness:
 Deciduous / Evergreen:
 Flower Notes:
Green (Spring; not ornamentally important)
 Foliage Notes:
Green (Clean, glossy dark green summer foliage); Red (Reddish fall foliage)
 Fruit Notes:
Blue (Bloomy, dark blue fruits that are attractive to birds; fall)
 Ultimate Height:
30-50 feet
 Ultimate Spread:
30-50 feet
 Soil Notes:
Widely adapted to different soils, even urban soils
 Range:
Japan, China
 Diagnostic Characteristics:
Deciduous, alternate, simple glossy dark green leaves are 2-4" wide, typically with 3 large lobes (tricuspidata = 3-pointed).

Additional Information

One of the strongest-climbing vines, give solid support for attachment of the adhesive discs on tendrils. Not a vine for trellises or fences. Very tolerant of urban soils. Not a good groundcover.

When Parthenocissus tricuspidata has been observed flowering or fruiting at Purdue University

Flowering

JanFebMarAprMayJunJulAugSepOctNovDec
Week 1 flowering not presentWeek 2 flowering not presentWeek 3 flowering not presentWeek 4 flowering not presentWeek 5 flowering not presentWeek 6 flowering not presentWeek 7 flowering not presentWeek 8 flowering not presentWeek 9 flowering not presentWeek 10 flowering not presentWeek 11 flowering not presentWeek 12 flowering not presentWeek 13 flowering not presentWeek 14 flowering not presentWeek 15 flowering not presentWeek 16 flowering not presentWeek 17 flowering not presentWeek 18 flowering not presentWeek 19 flowering not presentWeek 20 flowering not presentWeek 21 flowering not presentWeek 22 flowering not presentWeek 23 flowering not presentWeek 24 flowering not presentWeek 25 flowering not presentWeek 26 flowering not presentWeek 27 flowering not presentWeek 28 flowering presentWeek 29 flowering not presentWeek 30 flowering presentWeek 31 flowering not presentWeek 32 flowering not presentWeek 33 flowering not presentWeek 34 flowering not presentWeek 35 flowering not presentWeek 36 flowering not presentWeek 37 flowering not presentWeek 38 flowering not presentWeek 39 flowering not presentWeek 40 flowering not presentWeek 41 flowering not presentWeek 42 flowering not presentWeek 43 flowering not presentWeek 44 flowering not presentWeek 45 flowering not presentWeek 46 flowering not presentWeek 47 flowering not presentWeek 48 flowering not presentWeek 49 flowering not presentWeek 50 flowering not presentWeek 51 flowering not presentWeek 52 flowering not present

Fruiting

JanFebMarAprMayJunJulAugSepOctNovDec
Week 1 fruiting not presentWeek 2 fruiting not presentWeek 3 fruiting not presentWeek 4 fruiting not presentWeek 5 fruiting not presentWeek 6 fruiting not presentWeek 7 fruiting not presentWeek 8 fruiting not presentWeek 9 fruiting not presentWeek 10 fruiting not presentWeek 11 fruiting not presentWeek 12 fruiting not presentWeek 13 fruiting not presentWeek 14 fruiting not presentWeek 15 fruiting not presentWeek 16 fruiting not presentWeek 17 fruiting not presentWeek 18 fruiting not presentWeek 19 fruiting not presentWeek 20 fruiting not presentWeek 21 fruiting not presentWeek 22 fruiting not presentWeek 23 fruiting not presentWeek 24 fruiting not presentWeek 25 fruiting not presentWeek 26 fruiting not presentWeek 27 fruiting not presentWeek 28 fruiting not presentWeek 29 fruiting presentWeek 30 fruiting presentWeek 31 fruiting presentWeek 32 fruiting presentWeek 33 fruiting presentWeek 34 fruiting presentWeek 35 fruiting presentWeek 36 fruiting presentWeek 37 fruiting presentWeek 38 fruiting not presentWeek 39 fruiting presentWeek 40 fruiting presentWeek 41 fruiting presentWeek 42 fruiting presentWeek 43 fruiting presentWeek 44 fruiting presentWeek 45 fruiting presentWeek 46 fruiting not presentWeek 47 fruiting not presentWeek 48 fruiting not presentWeek 49 fruiting not presentWeek 50 fruiting not presentWeek 51 fruiting not presentWeek 52 fruiting not present

3 Parthenocissus tricuspidata found

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= Heritage plant = Memorial plant
Number Accession ID Location
12018_00711*ALILY
22018_00516*AIAF
32022_00283*ALYNN

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