Syringa reticulata
Japanese Tree Lilac

 Plant Type:
 Growth Forms:
 Hardiness:
 Deciduous / Evergreen:
 Flower Notes:
Cream (Large clusters of creamy-white flower panicles (12" long by 10" wide) in late June; effective for 2 weeks)
 Foliage Notes:
Green (Leafs out early (late March to early April); poor fall color)
 Fruit Notes:
Green (Yellow-green fruits (1") in clusters in fall; not ornamentally important)
 Ultimate Height:
20-30 feet
 Ultimate Spread:
15-25 feet
 Fruiting Times:
 Light Requirements:
 Soil Notes:
Widely adapted to different soils
 Range:
Japan, Manchuria, and Northern China
 Diagnostic Characteristics:
Leaves simple, opposite, broad-ovate to ovate, 2-5.5" long and half as wide, dark green above and grayish green and reticulate below. Terminal bud frequently absent, or present in 2s, with 4 pairs of scales. Shiny brown stems and bark are heavily lenticelled (like cherry), which provides a means of delineating this from all other Syringa.
Purdue Plant Doctor

Additional Information

A very hardy and showy tree. Attractive, cherry-like mahogany-colored bark, distinctly different from all other lilacs. Widely adapted to soils and environments. Cut to ground to rejuvenate completely. Mildew resistant. Subject to infestations of borers and scale insects, but these are not usually serious enough to discourage its use where some maintenance is available. Alternate year flowering on different parts of the tree can sometimes occur, a problem that can be assuaged by deadheading (use a pole pruner). Some feel flowers are malodorous, like privet.

When Syringa reticulata 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 presentWeek 18 flowering presentWeek 19 flowering not presentWeek 20 flowering presentWeek 21 flowering presentWeek 22 flowering presentWeek 23 flowering presentWeek 24 flowering presentWeek 25 flowering presentWeek 26 flowering not presentWeek 27 flowering not presentWeek 28 flowering not presentWeek 29 flowering not presentWeek 30 flowering not 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 not presentWeek 30 fruiting not presentWeek 31 fruiting not presentWeek 32 fruiting not presentWeek 33 fruiting not presentWeek 34 fruiting not presentWeek 35 fruiting not presentWeek 36 fruiting not presentWeek 37 fruiting not presentWeek 38 fruiting presentWeek 39 fruiting presentWeek 40 fruiting presentWeek 41 fruiting presentWeek 42 fruiting presentWeek 43 fruiting not presentWeek 44 fruiting not presentWeek 45 fruiting not 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

18 Syringa reticulata found

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= Heritage plant = Memorial plant
Number Accession ID Location
1ORIG_5458*APVA
2ORIG_4965*ASCPA
3ORIG_6295*AHERL
4ORIG_1666*ASCHL
5ORIG_8627*AHLTP
6ORIG_4869*AHILL
7ORIG_5457*APVA
82009_13739*AHORTPARK
92009_13815*AHORTPARK
10ORIG_6290*AHERL
11ORIG_4868*AHILL
122010_12129*APFSB
132010_12130*APFSB
14ORIG_3299*APMU
15ORIG_2642*AHEAV
162015_02476*A2550
172015_02476*B2550
182015_02476*C2550

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