Ostrya virginianaIndiana Native
American Hophornbeam
Other Common Names: American Hop-hornbeam, Eastern Hop Hornbeam, Hop Hornbeam, Ironwood, Leverwood

Family:

Betulaceae (Birch Family) 29

Genus:

Ostrya (Hophornbeam Ironwood) 1

Plant Type:

Tree 583

Growth Forms:

Upright 578

Hardiness:

USDA Zone 3 236

Deciduous / Evergreen:

Deciduous 846

Flower Notes:

Yellow (Not ornamentally important)

Foliage Notes:

Green (Dense foliage in summer); Yellow (Fall; usually not effective)

Stem Notes:

slender, zig-zag, smooth and shining

Fruit Notes:

Cream (Interesting, pendulous clusters of bladder-like fruits (nutlets); resemble hops)

Ultimate Height:

25-40 feet

Ultimate Spread:

20-40 feet

Bloom Times:

April 203

Fruiting Times:

Light Requirements:

Soil Water Requirements:

Medium 211

Soil Notes:

Widely adapted to soils; prefers drier soils and does not tolerate periodic flooding

Range:

Eastern North America

Maintenance:

Low 282

Diagnostic Characteristics:

Leaves are 2-5" long and half as wide, simple, alternate, oval-lanceolate, sharply and doubly serrate, dark green above and pale green below. Leaf buds are pointed to 0.25" long. Male catkins (1" long) in clusters of 3 are visible through the winter. Smaller female catkins appear in April.

Ecological Functions:

Special Characteristics:

Additional Information

A good, trouble-free small shade tree worthy of greater use. Very graceful with many drooping branches that create a rounded habit. Best on drier slopes, and is usually found in native ecosystems. Slow growing, and difficult to transplant. Does not tolerate periodic flooding (as does Carpinus caroliniana) or salt.

Plant Photo Gallery

Overall Habit

Leaf

Fruit

Fall Color

Bark

Buds

Catkins

Winter Canopy

Buds

Old Fruit

Old Fruit and Catkin

Winter Habit

Flowers

Emerging Buds

When Ostrya virginiana has been observed flowering or fruiting at Purdue University

Flowering

Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec

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

Fruiting

Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec

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

57 Ostrya virginiana found

Building Map...

= Heritage plant = Memorial plant

Number	Accession ID	Location
1	ORIG_2613*A	WTHR
2	ORIG_2617*A	WTHR
3	ORIG_1222*A	HAAS
4	ORIG_2691*A	BRWN
5	ORIG_2616*A	WTHR
6	ORIG_5168*A	ROGA
7	2013_00836*A	RSC
8	ORIG_2614*A	WTHR
9	ORIG_6899*A	LYNN
10	2014_00160*A	WARN
11	2013_00839*A	RSC
12	2014_00160*B	VAWT
13	ORIG_0792*A	LILY
14	2022_00336*A	CHAS
15	2022_00347*A	CHAS
16	2022_00364*A	CHAS
17	2022_00363*A	CHAS
18	2022_00641*A	BRK
19	2022_00640*A	BRK
20	2022_00639*A	BRK
21	2022_00638*A	BRK
22	2022_00637*A	BRK
23	2022_00636*A	BRK
24	2022_00635*A	BRK
25	2022_00634*A	BRK
26	2022_00633*A	BRK
27	2022_00632*A	BRK
28	2022_00631*A	BRK
29	2022_00630*A	BRK
30	2022_00629*A	BRK
31	2022_00628*A	BRK
32	2022_00627*A	BRK
33	2022_00626*A	BRK
34	2022_00624*A	BRK
35	2022_00623*A	BRK
36	2022_00622*A	BRK
37	2022_00621*A	BRK
38	2022_00620*A	BRK
39	2022_00619*A	BRK
40	2022_00618*A	BRK
41	2022_00617*A	BRK
42	2022_00616*A	BRK
43	2022_00615*A	BRK
44	2022_00614*A	BRK
45	2023_00041*A	BREQ
46	2023_00041*B	BREQ
47	2023_00041*C	BREQ
48	2023_00161*A	HORTPARK
49	2023_00229*A	PICK
50	2023_00229*B	PICK
51	2023_00229*C	PICK
52	2023_00263*A	PICK
53	2023_00263*B	PICK
54	2023_00263*C	PICK
55	2023_00602*A	OWEN
56	2024_00085*A	HORTPARK
57	2024_00243*A	BRK