Thuja occidentalisIndiana Native
Eastern Arborvitae
Other Common Names: Northern White Cedar

Family:

Cupressaceae (Cypress Family) 99

Genus:

Thuja (Arborvitae White Cedar Cedar) 17

Plant Type:

Tree 583

Growth Forms:

Conical 60

Hardiness:

USDA Zone 2 53

Deciduous / Evergreen:

Evergreen 263

Flower Notes:

Monoecious, terminal, and solitary

Foliage Notes:

Green (Lustrous dark green to dull bluish-green evergreen foliage); Brown (Foliage often turns yellowish brown in winter)

Stem Notes:

Green to brown, thin and resistant to breakage.

Fruit Notes:

Brown (Small cones; not ornamentally important)

Ultimate Height:

40-60 feet

Ultimate Spread:

10-15 feet

Fruiting Times:

Light Requirements:

Soil Water Requirements:

Medium 211

Soil Notes:

Fairly adaptable, but performs best on moist to wet soils with good aeration; tolerates slightly alkaline soils

Range:

Eastern North America

Maintenance:

Low 282

Diagnostic Characteristics:

Abruptly-pointed leaves are darker green above and a lighter dull green below. Leaves on main branches have a small yellowish gland on abaxial surface. Scales of cones overlap (Chamaecyparis cone scales open up). No hooks on cone scales as in Platycladus.

Ecological Functions:

Purdue Plant Doctor

Parts and Problems of Arborvitae, White Cedar, Thuja

Special Characteristics:

Pollution Tolerant 217

Additional Information

One of the best plants for screening in moist, well-aerated soils. Bagworms can be a problem. Subject to several other insect pests, all of which usually can be controlled with timely spraying. Deer may feed on foliage. Winter color can be poor.

Plant Photo Gallery

Overall Habit

Foliage

Awls

Bark

Fruits

Foliage and Dried Fruit

Dried Fruit

Old Fruit

Screening Habit

New Growth

When Thuja occidentalis has been observed flowering or fruiting at Purdue University

No Flowering Observations Available

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 not present	Week 28 fruiting not present	Week 29 fruiting not present	Week 30 fruiting not present	Week 31 fruiting not present	Week 32 fruiting not present	Week 33 fruiting not present	Week 34 fruiting not 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 present	Week 43 fruiting present	Week 44 fruiting not present	Week 45 fruiting present	Week 46 fruiting 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

75 Thuja occidentalis found

Building Map...

= Heritage plant = Memorial plant

Number	Accession ID	Location
1	2009_13259*A	HORTPARK
2	2009_13260*A	HORTPARK
3	2018_00931*E	FRNY
4	2009_13252*A	HORTPARK
5	2010_03233*A	FWLR
6	2018_00931*B	FRNY
7	2009_13258*A	HORTPARK
8	2009_13251*A	HORTPARK
9	2018_00931*D	FRNY
10	ORIG_5008*A	SCPA
11	2013_00683*A	HORTPARK
12	2009_13389*A	HORTPARK
13	2009_13264*A	HORTPARK
14	2010_03232*A	FWLR
15	2009_13255*A	HORTPARK
16	2009_02539*A	DAUC
17	2010_03231*A	FWLR
18	2009_13256*A	HORTPARK
19	2010_03229*A	FWLR
20	2010_03230*A	FWLR
21	2009_13253*A	HORTPARK
22	2018_00931*C	FRNY
23	2013_00619*A	HORTPARK
24	2009_02538*A	DAUC
25	2010_00797*A	CARY
26	2009_13262*A	HORTPARK
27	2009_13254*A	HORTPARK
28	2009_13250*A	HORTPARK
29	2009_13602*A	HORTPARK
30	2010_09955*A	MRGN
31	2018_00931*A	FRNY
32	2009_13261*A	HORTPARK
33	2009_13263*A	HORTPARK
34	2009_13265*A	HORTPARK
35	2009_13257*A	HORTPARK
36	2022_04746*A	WOOD
37	2023_00487*A	HORTPARK
38	2022_15782*A	HORTPARK
39	2023_00587*A	SCPA
40	2023_00587*B	SCPA
41	2023_00587*C	SCPA
42	2023_00725*B	2550
43	2023_00725*C	2550
44	2023_00725*D	2550
45	2015_02459*T	2550
46	2015_00725*C	2550
47	2023_00728*A	2550
48	2024_00130*A	WOOD
49	2024_00187*A	PSYC
50	2024_00187*B	PSYC
51	2024_00187*C	PSYC
52	2024_00187*D	PSYC
53	PUI_ORIG_00492*A
54	2023_00818*A	ABE
55	2023_00818*B	ABE
56	2023_00818*C	ABE
57	2023_00818*D	ABE
58	2023_00818*E	ABE
59	2023_00818*F	ABE
60	2023_00818*G	ABE
61	2023_00818*H	ABE
62	2023_00818*I	ABE
63	2023_00818*J	ABE
64	2023_00818*K	ABE
65	2023_00818*L	ABE
66	2023_00818*M	ABE
67	2023_00818*N	ABE
68	2023_00818*O	ABE
69	2023_00818*P	ABE
70	2023_00818*Q	ABE
71	2023_00818*R	ABE
72	2023_00818*S	ABE
73	2023_00818*T	ABE
74	2026_00018*D	UNIV
75	2026_00018*E	UNIV