Eastern Red-cedar

(Juniperus virginiana)

General Description

A small tree with a short trunk and irregular, pyramidal

crown native to the eastern United States. Dwarf or

compact forms of this juniper are used as ornamentals.

The largest tree in North Dakota is 51 feet tall with a

canopy spread of 30 feet.

Leaves and Buds

Bud Arrangement - Continuous.

Bud Color - Same as leaves, hard to distinguish from

leaves.

Bud Size - 1/8 inch.

Leaf Type and Shape - Simple scale and awl-like leaves.

Leaf Margins - Sawtooth serrations

Leaf Surface - Prickly.

Leaf Length - Variable lengths, indeterminate growth,

juvenile leaves in pairs 1/5 to 1/4 inch, ending in a spiny

point.

Leaf Width - 1/16 inch.

Leaf Color - Concave and glaucous above, green and

convex below.

Flowers and Fruits

Flower Type - Unisexual, usually dioecious.

Flower Color - Female, green; male, yellow-brown.

Fruit Type - Cones, globose or ovoid, and deeply pitted,

typical juniper “berry”, mature in one year; 1 to 3 ovate

seeds.

Fruit Color - Shiny brown seeds in dark blue, berry-like

cones with heavy glaucous coating.

Form

Growth Habit - Fairly dense pyramidal when young,

much more open to slightly pendulous when mature.

Texture - Medium, summer and winter.

Crown Height - 30 to 45 feet.

Crown Width - 15 to 30 feet.

Bark Color - Gray-brown, exfoliating in long strips.

Root System - Deep, penetrating taproot.

Environmental Requirements

Water

Drought tolerant, but prefers moist soils.

Light

Full sun. Tolerates shade only in youth.

Uses

Conservation/Windbreaks

Small to medium evergreen for farmstead and field

windbreaks.

Wildlife

Fruit matures in one season. Provides food for birds and

mammals. Nesting and winter cover for a variety of birds.

Browse for whitetail deer.

Agroforestry Products

Wood - Used for fence posts, cedar chests, pencils, and

medicines. Heartwood is decay resistant.

Food - Berry-like cones used in alcohol products.

Medicinal - Native Americans used for coughs, head colds

and dysentery.

Urban/Recreational

Good for ornamental landscaping. The species, as well

as most cultivars, turn brown in the winter.

Pests

Common diseases include cedar-apple rust (Gymnosporangium)

and Kabatina tip blight. Common insect

pests include spider mites. Red cedars should not be

planted near apple, crabapple, juneberries, or hawthorns

due to increased risk of damage by Gymnosporangium

rusts. Cedar oil extract of Juniperus species has been

effective control of clothes moths.

III-174

 

Return Home