Quercus coccinea thrives best under full sunlight. To ensure ideal growth and vibrant foliage, position the tree in a location where it can receive at least 6 to 8 hours of direct sunlight each day. This helps it maintain robust health and vigorous development.

Scarlet oak (Quercus coccinea)

Also known as: Red oak

The Scarlet Oak (*Quercus coccinea*) is an oak species native to the Midwest, Eastern, and Southern United States. It is widely grown for its ornamental value, particularly its striking fall foliage.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of Scarlet oak

Lifespan

Perennial

Plant Type

Tree

Plant Height

20 m to 30 m

Spread

12 m to 15 m

Leaf Color

Green Red

Flower Size

Not prominent, flowers are small and catkin-like

Flower Color

Green Yellow Brown

Images of Scarlet oak

Quickly Identify Scarlet oak

Mature height: 50-80 feet (15-24 meters)

Distinctive C-shaped leaf lobes with bristle tips

Smooth, reddish-brown stems with pointed buds

Male flowers as slender, yellowish-green catkins

Distinctive, shiny acorns with deep scaly caps

Scientific Classification of Scarlet oak

Phylum

Vascular plants

Class

Dicotyledons

Order

Fagales

Family

Beech

Genus

Oaks

Species

Scarlet oak

Planting and Growing of Scarlet oak

Care Difficulty

Easy

Watering Schedule

Every 2 days

Sunlight Requirements

Full sun

Sunshine Duration

4-6 hours

Ideal Temperature

60-85℉

Soil Type

Potting Mix, Peat Mix

Soil pH

4.5-6.5

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 Scarlet oak?

Quercus coccinea typically requires around 1000 milliliters of water per session. The goal is to thoroughly moisten the root zone, allowing the water to penetrate deep into the soil. This ensures that the tree receives adequate moisture without leaving the soil waterlogged. Aim to keep the soil consistently moist without going completely dry or overly soggy.

What are the symptoms of an underwatered Scarlet oak? ›

What should I do if my Scarlet oak is not getting enough water? ›

What are the symptoms of an overwatered Scarlet oak? ›

How to save an overwatered Scarlet oak? ›

What Are the Sunlight Requirements for Scarlet oak?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 6-8 hours daily

Quercus coccinea benefits significantly from full to partial sunlight. Optimal light exposure ensures vigorous photosynthesis, stronger growth, and better resilience against environmental stress.

Ideal Light Exposure ›

Solution for Ideal Conditions ›

Benefit of Ideal Lighting ›

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What Is the Ideal Temperature Range for Scarlet oak?

Ideal Temperature: 60 ~ 85℉

The ideal temperature range for the growth of Quercus coccinea, commonly known as the scarlet oak, is between 60°F and 85°F. Within this range, the plant can efficiently carry out its physiological processes such as photosynthesis and respiration. This temperature range also ensures optimal enzyme activity and healthy growth.

What Soil is Best for Scarlet oak?

Soil type: Sandy loam, Acidic soil, Loam

Soil PH: 4.5 ~ 6.5

Scarlet Oak thrives in well-drained soil, which prevents root rot by allowing excess water to pass through. This type of soil supports healthy root development, promoting a robust growth pattern and enhancing the tree's ability to access nutrients. Maintaining moderate soil moisture is vital for Scarlet Oak, as it helps to reduce stress on the tree during dry periods. Consistent moisture levels allow the tree to sustain its physiological processes, which is crucial for photosynthesis and overall vigor. Scarlet Oak benefits from a nutrient-rich substrate, as it supplies essential nutrients needed for vigorous growth and vibrant foliage. Ample organic matter in the soil improves its structure, aeration, and overall fertility, supporting the tree's long-term health.

How to Fertilize Scarlet oak?

Fertilizer type: Balanced

For vibrant growth, Quercus coccinea requires careful nutrient management. Use a balanced fertilizer with a 10-10-10 NPK ratio, applying approximately 0.5 pounds for every inch of trunk diameter annually. This amount ensures the oak receives adequate nutrition without overwhelming its root system.

How to Prune Scarlet oak?

Pruning Time: Winter, Summer

Begin by removing any dead, damaged, or diseased branches. Identify and eliminate crossing branches to prevent rubbing wounds. Focus on thinning the canopy to improve air circulation and sunlight penetration. Shape the oak by cutting back vigorous upright shoots to a lateral branch. Regular maintenance ensures the tree retains its desired shape and size while supporting healthy growth dynamics overall. More About Pruning Techniques→

How to Propagate Scarlet oak plant?

Propagate Time: Late spring, Early autumn

Gather mature acorns from existing Quercus coccinea trees in late autumn. Ensure they are free from pests and disease before proceeding to the next step.

Fill seed trays with a sterile potting mix. Water the mix until it is evenly moist to provide an ideal environment for seed germination.

Place seeds about two centimeters deep in the prepared potting mix. Cover lightly and ensure consistent moisture until germination occurs.

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How to Repot Scarlet oak plant?

Repotting frequency: Every 2-3 years

Scarlet Oaks signal their need for repotting when roots begin circling inside the pot, pushing through drainage holes, or when growth rates decline despite adequate care. Choosing the right season, such as spring or autumn, ensures minimized stress and promotes healthy adjustment.

Select a pot that's 2-3 inches wider than the current one to allow growth without overwhelming the plant. Ensure it has ample drainage holes to prevent water retention, which could lead to root rot. A terracotta pot is ideal as it allows for air exchange and natural moisture balance.

Opt for a well-draining loamy soil to mimic the Scarlet Oak's natural habitat. Such soil provides sufficient aeration, prevents waterlogging, and supplies necessary nutrients. Enhanced drainage capacity prevents root suffocation and disease, promoting robust growth.

Toxicity of Scarlet oak

Is Scarlet oak toxic to humans?

The tissues of the scarlet oak tree, which include its leaves and seeds, are rich in tannins. This characteristic imparts a strong bitterness to the plant, deterring most animals from consuming it. However, young children and individuals with cognitive impairments may inadvertently consume parts of the tree. The primary effects of tannins include gastrointestinal issues, leading to symptoms such as constipation, diarrhea, nausea, and abdominal cramps. Additionally, those who have been exposed may experience depressive symptoms along with a frequent occurrence of dark-colored urine as their body works to eliminate the toxin. Furthermore, swallowing acorns whole can result in intestinal blockages.

Is Scarlet oak toxic to cat?

The scarlet oak presents a low toxicity hazard for cats. When felines consume large quantities of the plant's leaves or seeds, they can experience poisoning. Following the ingestion of scarlet oak components, cats may show symptoms of discomfort or illness. Pet owners must remain watchful in order to stop their cats from nibbling on or swallowing this plant to prevent possible health complications. If a cat happens to eat scarlet oak, it is crucial to obtain prompt veterinary assistance to secure appropriate treatment.

Is Scarlet oak toxic to dog?

The scarlet oak species presents a mild toxicity risk to dogs. Dogs may be poisoned primarily by ingesting large amounts of the plant's leaves and seeds. If a dog consumes any part of the scarlet oak, it might show symptoms indicative of poisoning, which can include gastrointestinal disturbances such as vomiting or diarrhea, and in some instances, more severe reactions depending on the volume ingested. It is essential for dog owners to closely observe their pets and prevent access to the scarlet oak to avert potential poisoning scenarios. If a dog reveals any signs of distress after ingesting this plant, it is paramount to seek immediate veterinary attention to ensure timely and suitable treatment.

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.

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