Eastern red cedar (Juniperus virginiana)

Also known as: Red juniper, Aromatic cedar

The Eastern Red Cedar is a coniferous evergreen native to North America. Its juniper berries provide essential winter nourishment for birds. The tree's wood is prized for its rot resistance, making it ideal for fencing, and it's also used in closets and chests due to its natural ability to repel moths.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of Eastern red cedar

Lifespan

Perennial

Plant Type

Tree

Plant Height

5 m to 30 m

Spread

8 m

Leaf Color

Green Gray

Flower Size

2.5 cm

Flower Color

Yellow Green

Images of Eastern red cedar

Quickly Identify Eastern red cedar

Distinctive bark exfoliates into long strips, varying from gray to reddish-brown.

Foliage displays blue-green color, transitioning to bronze or yellow-brown in winter.

Male cones are notably yellow, while female cones have a blue, frost-like appearance.

Juvenile leaves are awl-shaped and grow in pairs, contrasting mature scale leaves.

Abundant small cones resembling berries turn blue with a frosted coating.

Scientific Classification of Eastern red cedar

Phylum

Vascular plants

Class

Conifers

Order

Pinales

Family

Cypress

Genus

Junipers

Species

Eastern red cedar

Planting and Growing of Eastern red cedar

Care Difficulty

Easy

Watering Schedule

Every 2 days

Sunlight Requirements

Full sun

Sunshine Duration

4-8 hours

Ideal Temperature

60-82℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water Eastern red cedar?

When watering Juniperus virginiana, it is essential to ensure that the soil gets thoroughly soaked but also has the opportunity to dry out between waterings. Approximately 500 ml should be sufficient to moisten the soil deeply, reaching the roots but ensuring there is no standing water.

What are the symptoms of an underwatered Eastern red cedar? ›

What should I do if my Eastern red cedar is not getting enough water? ›

What are the symptoms of an overwatered Eastern red cedar? ›

How to save an overwatered Eastern red cedar? ›

More About Watering Techniques→

What Are the Sunlight Requirements for Eastern red cedar?

Sunlight Requirements: Full sun

Duration of light: 6-8 hours

Juniperus virginiana thrives in full sun, meaning it requires at least six to eight hours of direct sunlight to maintain its health, promoting growth and enhancing disease resistance.

What is the optimal sunlight type? ›

How to achieve ideal sunlight exposure? ›

What benefits does adequate sunlight provide? ›

More About Sunlight Requirements Techniques→

What Is the Ideal Temperature Range for Eastern red cedar?

Ideal Temperature: 60 ~ 82℉

Juniperus virginiana thrives best in temperatures that range from 60°F to 82°F. This temperature range provides optimal conditions for photosynthesis and growth, ensuring the plant maintains healthy foliage and development. Consistent temperatures within this range help in preventing stress, encouraging steady growth.

What Soil is Best for Eastern red cedar?

Soil type: Sandy soil, Loam, Sandy loam

Soil PH: 6.5 ~ 7.5

Yes, Juniperus virginiana thrives in well-drained soils as it enhances root aeration and prevents waterlogging, promoting healthier growth and robust foliage. Absolutely, slightly acidic soil supports the mineral uptake necessary for growth, ensuring the tree remains robust and vital. Indeed, sandy loam offers a balance of drainage and nutrient retention, providing a perfect foundation for Juniperus virginiana's development. More About Soil→

How to Fertilize Eastern red cedar?

Fertilizer type: Balanced

Juniperus virginiana, commonly known as the Eastern Red Cedar, requires minimal fertilization. When applying fertilizer, use a balanced formula with a slightly lower nitrogen content like a 10-10-10 mix. For liquid fertilizers, dilute to half-strength if using hybrids and apply around the base, dispersing evenly.

How to Prune Eastern red cedar?

Pruning Time: Spring, Summer

Begin by removing any dead, diseased, or damaged branches. Cut these back to the main trunk or a healthy side branch. Then, thin out crowded areas to improve air circulation and light penetration. Always cut at a branch collar and avoid leaving stubs. Juniperus virginiana can grow in varying forms; prune selectively to maintain its natural shape. Avoid over-pruning that can damage growing points and leave the plant vulnerable. Focus on creating an open structure and remove no more than one-third of the plant’s foliage at a time. More About Pruning Techniques→

How to Propagate Eastern red cedar plant?

Propagate Time: Spring, Early summer

Collect ripe seeds from the cones of Juniperus virginiana. Soak the seeds in water for 12-24 hours to soften the seed coat. Plant the seeds in a well-draining soil mix, and place them in a warm location to encourage germination.

Select healthy branches for cuttings, ideally about 4-6 inches long. Cut the branch just below a node to enhance rooting. Dip the cut end in rooting hormone and place it in a pot with a well-draining potting mix.

For grafting, choose a healthy rootstock and scion. The cleft grafting method is commonly used. Make a clean, vertical cut in the rootstock and insert the scion, ensuring close contact between the cambium layers to promote successful grafting.

More About Propagating Techniques→

How to Repot Eastern red cedar plant?

Repotting frequency: Every few years

Juniperus virginiana, otherwise known as the Eastern Red Cedar, should be repotted when you notice roots growing out of the drainage holes, reduced growth, or soil that remains excessively damp. Spring is the ideal time, as the plant is emerging from its dormant winter state and can harness the energy of the warming season.

Choosing the right pot for your Juniperus virginiana is crucial. Opt for a pot that's just one size larger than the current one. It should have ample drainage holes to prevent root rot, allowing excess water to escape efficiently. The material of the pot can be clay or plastic, but ensure it is stable enough to support the plant as it grows.

The ideal soil for repotting this juniper is a well-draining, sandy mix. This soil mimics its natural environment, providing excellent drainage which helps prevent root rot. The sandy texture allows air to penetrate, ensuring that the roots receive adequate oxygen—key to vigorous growth.

Toxicity of Eastern red cedar

Is Eastern red cedar toxic to humans?

The fruits, flowers, and leaves of the eastern red cedar are deemed toxic when consumed in significant amounts. These components of the plant encompass a volatile oil known as thujone that can lead to diarrhea. Unintentional consumption of the toxic plant parts may take place when preparing tea from the leaves, a prevalent remedy for colds and coughs among certain Native American tribes.

Is Eastern red cedar toxic to cat?

Eastern red cedar presents a mild toxicity concern for cats, especially if they consume substantial amounts of its fruits and leaves. When exposed to this plant, cats may show indicators of physical distress. To reduce this risk, it is vital to keep cats from eating large portions of the plant. Should a cat display any health irregularities, including behavioral changes or signs of discomfort or illness, it is important to obtain immediate veterinary attention to safeguard their health and welfare.

Is Eastern red cedar toxic to dog?

Eastern red cedar presents a mild risk of toxicity to dogs. Canines may experience poisoning if they ingest significant amounts of the plant, especially its fruits and leaves. Symptoms of ingestion can include gastrointestinal distress or respiratory problems. It is vital for dog owners to keep an eye on their pets and to prevent them from consuming excessive quantities of eastern red cedar. Should poisoning be suspected, prompt veterinary assistance is crucial to safeguard the health of the affected dog.

WARNING

The judgment on toxicity and danger is for reference only. We DO NOT GUARANTEE any accuracy of such judgment. Therefore, you SHALL NOT rely on such judgment. It is IMPORTANT TO SEEK PROFESSIONAL ADVICE in advance when necessary.

More About Toxic Techniques→