Willow vs. Cedar for Decking - What is The Difference?

Last Updated May 21, 2025

Willow offers lightweight, flexible decking with natural resistance to moisture, while cedar provides superior durability, natural rot resistance, and a rich aromatic fragrance. Cedar's tight grain structure and resistance to insects make it a premium choice for long-lasting, low-maintenance outdoor decking.

Table of Comparison

Feature Willow Cedar
Durability Moderate, prone to decay High natural resistance to rot
Weather Resistance Low, needs treatment Excellent, withstands moisture and insects
Maintenance Requires frequent sealing Low maintenance with occasional staining
Appearance Light color, smooth texture Rich red-brown tones, aromatic
Cost Lower initial cost Higher cost, longer lifespan
Environmental Impact Fast-growing, renewable Sustainably sourced, slower growth

Introduction to Willow and Cedar Decking

Willow decking offers a lightweight, flexible option with natural resistance to moisture, making it suitable for environments with variable weather conditions. Cedar decking is known for its durability, rich color, and natural oils that repel insects and resist decay, providing long-lasting structural integrity. Both materials enhance outdoor aesthetics while requiring minimal maintenance, though cedar generally outperforms willow in terms of strength and lifespan.

Botanical Differences: Willow vs Cedar

Willow (Salix species) exhibits flexible, fast-growing branches with narrow, lance-shaped leaves, thriving in moist environments, while Cedar (Cedrus or Thuja species) showcases sturdy, aromatic, evergreen needle-like or scale-like foliage adapted to a variety of climates. Botanically, Willow trees belong to the Salicaceae family and are deciduous, shedding leaves annually, whereas Cedar trees are part of the Pinaceae or Cupressaceae families and retain foliage year-round. These differences impact their suitability for decking, as Cedar's natural oils provide decay resistance, contrasting Willow's softer wood and higher moisture sensitivity.

Durability and Lifespan Comparison

Willow wood generally offers lower durability and a shorter lifespan for decking compared to cedar, as it is more prone to moisture absorption and decay. Cedar is naturally resistant to rot, insects, and weathering, providing a lifespan typically exceeding 15-20 years with minimal maintenance. For long-lasting, durable decking, cedar is the preferred choice due to its inherent stability and resilience in outdoor environments.

Resistance to Decay and Insects

Willow wood exhibits moderate resistance to decay and insect damage but tends to be less durable than cedar in outdoor decking applications. Cedar naturally contains oils and tannins that provide excellent resistance to rot, fungi, and insect infestation, making it a preferred choice for long-lasting decks. Consequently, cedar decking generally requires less maintenance and offers superior longevity in environments prone to moisture and pests compared to willow.

Appearance and Aesthetic Appeal

Willow decking offers a light, natural grain with subtle knots, presenting a warm and rustic aesthetic ideal for cozy outdoor spaces. Cedar decking features rich reddish-brown hues and a pronounced grain pattern that deepens over time, enhancing its classic, elegant appearance. Both woods provide unique visual appeal, but cedar's color stability and organic luster make it a popular choice for upscale deck designs.

Maintenance Requirements

Willow decking demands frequent sealing and regular cleaning to prevent moisture damage and fungal growth due to its softer wood structure. Cedar offers superior natural resistance to decay and insect infestation, reducing the need for intensive maintenance and prolonging its lifespan with occasional staining or oiling. Choosing cedar can significantly lower long-term upkeep efforts while maintaining aesthetic appeal.

Environmental Impact and Sustainability

Willow decking, sourced from fast-growing trees, offers a lower environmental footprint due to its rapid renewability and carbon sequestration capabilities, making it a more sustainable option compared to cedar. Cedar, while naturally resistant to decay and insects, grows slower and its harvesting can contribute to deforestation if not managed responsibly, impacting ecosystem balance. Choosing certified sustainably harvested cedar or reclaimed wood can mitigate environmental harm, but willow's quicker regeneration cycle generally supports more eco-friendly decking solutions.

Cost and Value Analysis

Willow decking typically offers a lower initial cost compared to cedar, making it an attractive option for budget-conscious projects. Cedar provides greater long-term value due to its natural resistance to rot and insects, which reduces maintenance expenses and extends deck lifespan. Investing in cedar decking often results in higher property value retention and less frequent replacement costs over time.

Installation and Workability

Willow decking offers lightweight characteristics that simplify installation and reduce labor costs compared to denser woods. Cedar's natural resistance to decay and its stable grain make it easier to cut and fasten, providing fewer issues during assembly. Both woods work well with standard tools, but willow's softer texture allows for quicker handling, while cedar's dimensional stability ensures a precise fit without excessive warping.

Conclusion: Choosing the Best Wood for Your Deck

Willow offers a lightweight, flexible option with moderate durability and a smooth finish, ideal for decorative or low-traffic decks, while cedar stands out for its natural resistance to decay, insect damage, and weathering, making it a premium choice for long-lasting, low-maintenance decking. Cedar's higher density and stability contribute to its superior structural strength and aesthetic appeal over time. For the best investment in decking material, cedar is generally preferred due to its proven performance and longevity in various climates.

Willow vs. Cedar for Decking - What is The Difference?

Infographic: Willow vs Cedar for Decking



About the author. Kakani is a respected author and expert in materials for industrial and manufacturing applications. With years of experience in both research and industry.

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The information provided in this document is for general informational purposes only and is not guaranteed to be complete. While we strive to ensure the accuracy of the content, we cannot guarantee that the details mentioned are up-to-date or applicable to all scenarios. Topics about Willow vs Cedar for Decking are subject to change from time to time.

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