A garden pouch living wall with a mix of herbs and flowers.

In today’s turbulent world, finding a moment of tranquility in your own outdoor space has become more important than ever. A living wall is not just a striking visual enhancement; it’s a multi-functional element that brings privacy, beauty, and a touch of nature’s serenity right to your doorstep.

This guide aims to transform your patio, balcony, garden, or backyard into a secluded oasis, regardless of your gardening experience. From the initial choice of plants to the final touches of maintenance, we’re here to walk you through each step of creating your DIY edible living wall for privacy. This project promises to imbue your outdoor space with life, color, and a sense of personal retreat.

Step 1: Choose Your Plants

Choosing the right plants is the foundation of creating a thriving living wall that meets your privacy and aesthetic needs. This step is pivotal in ensuring that your green wall flourishes in the specific conditions of your outdoor area. Whether you desire a lush backdrop of ferns, a mosaic of hardy succulents, vibrant flowering annuals, or a practical spread of herbs, selecting plants with similar care requirements will set your project up for success. Start envisioning your living wall by considering factors such as sunlight exposure, wall size, and your own maintenance preferences.

Factors to Consider When Choosing Plants for Your Living Wall

Creating a vibrant and thriving living wall requires careful consideration of several key factors, ensuring your green wall remains healthy and beautiful over time. Here’s what you need to keep in mind:

  • Wall Size: The dimension of your wall will significantly influence your plant choices and design.  Larger walls offer the freedom to mix and incorporate a variety of plants, including larger species that need more room to grow. Smaller walls, on the other hand, might be better suited to smaller or more compact plants, such as succulents or herbs, that can fit into tighter spaces but still provide lush coverage and interest.
  • Sunlight Exposure: Understanding the amount and intensity of sunlight your living wall will receive daily is crucial. Plants have varying requirements for light, with some thriving in full sun and others preferring shade or partial sunlight. Assess the exposure of your intended wall location throughout the day to match your plant selections to their light needs, ensuring a flourishing living wall. This step will help you avoid foliage burn in sun-loving species or the stunted growth of shade-tolerant plants placed in too much sun.
  • Plant Care Requirements: To maintain a cohesive and stress-free living wall, it’s essential to select plants with similar watering and care needs. Grouping plants with disparate needs might lead to overwatering or underwatering, harming some while others thrive. Consider factors such as watering frequency, fertilizer requirements, and susceptibility to pests or diseases. Opting for plants that share care requirements will simplify maintenance and ensure the health and longevity of your living wall.

By carefully considering these factors, you can curate a selection of plants that will not only survive but thrive on your living wall, creating a lush, vibrant, and private oasis in your outdoor space.

Where to find seeds, plants, and supplies:

Botanical Interests

Nature Hills Nursery, Inc.

Garden Goods Direct

Territorial Seed Company

Tractor Supply

Ferry Morse Home Gardening

Ogrmar 36 Pockets Vertical Wall Garden Planter

Wooden Hanging Planters for Live Vertical Garden

Suggestions for Plant Types Suited to Living Walls

When selecting plants for your living wall, the goal is to achieve a balance of beauty, functionality, and ease of care. Here are some plant varieties that are particularly well-suited for living wall installations, each with unique characteristics that can enhance the appeal and vitality of your outdoor privacy screen:

  • Ferns: Ferns are excellent for shaded or partially shaded living walls. With their lush, green foliage and varying textures, ferns can add depth and a sense of lushness to your wall. Species like the Boston fern or Maidenhair fern are popular choices, known for their air-purifying qualities and relatively easy care.
  • Succulents: For sunnier locations, succulents offer a drought-resistant, low-maintenance option. Their diverse shapes, sizes, and colors can create a visually interesting and textured wall. Aeonium, Echeveria, and Sedum species are ideal for living walls, thriving in well-draining soil and requiring minimal watering.
  • Flowering Annuals: To inject vibrant colors and attract pollinators to your garden, consider incorporating flowering annuals into your living wall. Petunias, marigolds, and pansies are just a few options that can provide seasonal color and interest. These plants may require more frequent watering and care, but their visual impact can be well worth the effort.
  • Herbs: Edible herbs are a fantastic choice for a living wall that’s not only beautiful but also functional. Herbs like basil, thyme, mint, and rosemary grow well in vertical gardens, offering the added benefit of fresh flavors for your kitchen. Most herbs prefer full to partial sun and can be grown with similar care requirements, making them an excellent option for culinary enthusiasts looking for a practical yet appealing living wall.
  • Vegetables: If you have a larger living wall or want to incorporate edibles beyond herbs, consider vegetables like lettuce, kale, and cherry tomatoes in your design. Not only can they provide an abundance of fresh produce, but their vibrant colors and fast-growing nature can also add visual interest to your living wall.
  • Fruits: For a more ambitious living wall project, consider incorporating small fruit trees like strawberries or dwarf fruit varieties. With proper care and pruning, these plants can produce tasty fruits while also providing privacy and beauty in your outdoor space.

By combining different plant types, you can create a diverse and dynamic living wall that offers privacy while adding visual interest, functionality, and even edible delights.

Step 2: Build Your Wall Structure

A large living wall at the New Orleans Botanical Gardens composed of a diversity of plants surrounding a water feature.
A large living wall at the New Orleans Botanical Gardens.

After selecting a combination of plants that bring life, color, and privacy to your outdoor space, the next critical step is constructing your living wall’s foundation. Building a sturdy and effective wall structure not only supports the growth and health of your plants but also ensures the longevity and durability of your green oasis. In this section, we’ll walk through the essential considerations and steps for constructing a wall that holds your plants securely, enhances their growth, and transforms your space into a lush, living artwork.

Read more about The Living Green Wall at the New Orleans Botanical Garden.

Options for Structures: Wooden Frames or Prefabricated Panels

When constructing the foundation of your living wall, you generally have two predominant options: wooden frames or prefabricated panels. Each offers distinct advantages and challenges, making it crucial to weigh your needs, skill level, and budget when deciding.

Wooden Frames are a popular choice for DIY enthusiasts and can be custom-built to fit any size or shape requirement. Typically, these frames are constructed using weather-resistant wood like cedar or redwood, which can withstand the elements and the constant moisture from the plants. Inside the frame, a plastic sheet is attached to prevent water damage to the wall, followed by a layer of fabric or felt, which serves as a medium for the plants to root.

The primary advantage of wooden frames is their versatility in design and the ability to create a structure that perfectly fits your space. However, building a wooden frame requires some carpentry skills, and the longevity of the frame depends on the materials used and the quality of the construction.

Prefabricated Panels, on the other hand, are ready-made structures that provide a plug-and-play solution for enthusiasts at all skill levels. These panels come in a variety of materials, including metal, plastic, and fabric, and are designed to be directly mounted onto an existing wall or frame.

One significant advantage of prefabricated panels is their ease of installation, requiring minimal tools and expertise. Additionally, many of these panels are designed with integrated watering systems, simplifying the maintenance of the living wall.

The flip side is that prefabricated panels can be more expensive than DIY wooden frames, and the sizes and shapes are limited to what’s available on the market, potentially requiring modifications to your space to fit them.

The choice between wooden frames and prefabricated panels largely depends on your personal preferences, the specific demands of your project, and your level of DIY skill. Wooden frames offer a more customized and hands-on approach, ideal for those who enjoy woodworking and have a specific vision in mind.

Prefabricated panels, however, are a convenient and time-saving option that can be easily integrated into a variety of spaces with minimal effort. Regardless of the option you choose, both paths lead to the creation of a vibrant and living piece of art that can transform any outdoor space.

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Advice on Modular Panel Systems for Quick Setup

Modular panel systems have emerged as a boon for gardening enthusiasts seeking to create living walls without the complexities involved in custom constructions. These systems are designed to simplify both the construction and maintenance of living walls, offering a user-friendly solution that can accommodate a wide range of plants. Here, we’ll provide comprehensive advice on selecting, installing, and maintaining modular panel systems to ensure your living wall thrives with ease.

Selecting the Right Modular Panel System:

When choosing a modular panel system, consider the following factors to ensure you pick the best fit for your needs:

  • Material Durability: Select panel systems made from materials that can withstand your local climate and the constant moisture from watering. Materials such as UV-resistant plastics, corrosion-resistant metals, and breathable fabrics are excellent choices.
  • Ease of Installation: Look for systems that come with straightforward, clear instructions and can be easily mounted onto your chosen surface. Systems that require minimal tools for installation are preferable, especially for DIY enthusiasts with limited technical skills.
  • Plant Compatibility: Ensure the system you choose can support the types of plants you wish to grow, both in terms of the size of the pockets or panels and the depth needed for the roots to establish.
  • Integrated Watering Solutions: Systems with built-in watering or drip irrigation make maintenance significantly easier by automatically ensuring plants receive the right amount of water, minimizing the risk of under- or overwatering.

Installing Your Modular Panel System:

Installation typically involves the following steps, but always refer to the manufacturer’s instructions for the best results:

  1. Wall Preparation: Ensure the wall or surface where you plan to install the system is clean, level, and strong enough to support the weight of the panels and plants.
  2. Mounting the Panels: Carefully measure and mark where each panel will go, using a level to ensure they are straight. Depending on the system, you might attach it directly to the wall or onto a frame first.
  3. Adding Plants: Once the panels are secure, you can begin inserting your chosen plants into the pockets or slots. Be mindful of plant spacing and growth habits to prevent overcrowding and ensure each plant has enough room to thrive.

Modular panel systems make it attainable for anyone to install and maintain a beautiful living wall. By selecting the right system, installing it with care, and following straightforward maintenance routines, you can enjoy the myriad benefits of vertical gardening with minimal hassle.

Step 3: Install Irrigation

Ensuring your living wall receives a consistent, appropriate amount of water is crucial for its health and longevity. This next step focuses on the installation of an irrigation system, a task that delivers water efficiently and directly to your plants, simulating natural rainfall.

Whether opting for a sophisticated, automated system or a more straightforward, manual setup, understanding the fundamentals of irrigation will play a pivotal role in the success of your living wall. Proper irrigation not only supports plant growth but also saves time and conserves water, making your vertical garden both beautiful and sustainable.

Understanding Irrigation Systems for Living Walls

Irrigation is a vital component in the successful establishment and maintenance of a living wall, ensuring plants receive the water they need to thrive without the wastage associated with traditional gardening methods. Two particularly effective irrigation systems for living walls are drip irrigation with timers and self-watering systems. Each has unique advantages and can be chosen based on the specific needs of your vertical garden.

Drip Irrigation with Timers: This system delivers water directly to the base of each plant through a network of small tubes and emitters. The greatest advantage of drip irrigation is its efficiency, providing slow and steady water to the roots where it’s needed most, minimizing evaporation and runoff. When combined with digital timers, drip irrigation systems can be programmed to water your living wall at optimal times of the day, automating the process and ensuring consistent moisture without the need for daily manual intervention. Timers can be adjusted according to seasonal changes to reflect the varying water needs of your plants throughout the year.

Self-Watering Systems: Designed for ease and simplicity, self-watering systems incorporate a reservoir that holds excess water, which plants can draw upon as needed through capillary action. This system is particularly beneficial for busy gardeners or those less frequently able to attend to their living walls, as it reduces the need for constant monitoring and manual watering. Self-watering systems are also recognized for their water conservation attributes, as they significantly reduce the likelihood of over-watering and water waste.

When choosing the right irrigation system for your living wall, consider factors such as the location of your garden (indoor or outdoor), the types of plants you wish to nurture, and your lifestyle. Both drip irrigation with timers and self-watering systems can be customized to fit a variety of living wall scales and configurations, ensuring your vertical garden not only survives but flourishes with lush greenery and vibrant flowers.

The Importance of Testing the Irrigation System Before Plant Installation

Before the exciting phase of planting begins, it’s crucial to undertake one final, yet often overlooked, step: testing your irrigation system. This precautionary measure is not just about ensuring that the system works, but it is also critical in identifying and rectifying any issues before they can impact the health of your plants. Testing the irrigation setup prior to plant installation offers several key advantages that are integral to the success and sustainability of your living wall.

Identifying Leaks and Blockages: By running the irrigation system without the plants in place, you can easily spot any leaks, blockages, or misdirected emitters. Early detection of these issues allows for prompt repairs or adjustments, ensuring that water is distributed evenly and efficiently across the entire living wall. This step is essential in preventing water waste and ensuring each plant receives adequate moisture.

Adjusting Water Distribution: Testing provides a golden opportunity to observe and tweak the water distribution across the living wall, making sure there are no dry spots or areas receiving too much water. Even distribution is vital for the uniform growth and health of the plants, preventing waterlogging or dehydration.

Fine-tuning Timing and Quantity: It’s important to calibrate the timing and quantity of watering to meet the specific needs of your living wall. During the testing phase, you can adjust the timers and evaluate how much water is being delivered to ensure it aligns with the requirements of the plants you plan to install. This step is crucial for water conservation and promoting optimal plant health.

Confirming System Reliability: Testing the irrigation system thoroughly before plant installation gives you confidence in its reliability and functionality. Knowing that the system operates correctly means you can trust it to maintain your living wall, especially during peak water demands in the warmer months or when your schedule doesn’t allow for regular manual watering.

Preparing for Seasonal Adjustments: Finally, this preliminary test run can inform you about necessary adjustments for different seasons, particularly if your living wall is situated outdoors. Understanding how your system performs under various conditions will enable you to make informed decisions about seasonal modifications to the watering schedule or system settings.

In essence, the importance of testing the irrigation system before moving forward with planting cannot be overstated. It is a foundational step that underpins the health, beauty, and longevity of your living wall. By dedicating time to this crucial phase, you’re ensuring your vertical garden will thrive, providing a lush and vibrant focal point for years to come.

Step 4: Plant Your Living Wall

With your irrigation system thoroughly tested and ready to support a thriving vertical garden, it’s time to move on to the exciting task of planting your living wall. This step is where your vision starts to take shape, bringing life and color to your space.

To ensure the long-term success of your garden, it’s essential to follow best practices for planting within the wall structure, including proper spacing and understanding both immediate and ongoing watering needs.

Planting Instructions

  1. Choose the Right Plants: Before planting, ensure you have selected plant species that are well-suited to your living wall’s environment, be it indoors or outdoors. Consider factors such as sun exposure, plant size at maturity, and water requirements.
  2. Soil: The soil you use should be lightweight, well-draining, and sufficiently rich in nutrients to support plant growth. A high-quality potting mix or a custom blend designed specifically for living walls is recommended. Some of the living wall mixes include water storing root gels to help maintain soil moisture.  You can also buy them separately and add them to your own soil mix.
  3. Spacing: When placing plants into the living wall, pay close attention to the spacing recommendations for each species. Overcrowding can lead to competition for resources, while too much space might leave your wall looking sparse. A good rule of thumb is to leave enough room for each plant to reach its full size without encroaching on its neighbors. This typically means spacing smaller plants 6-8 inches apart and larger plants 12-24 inches apart, adjusting based on the plant’s expected mature size.
  4. Planting Depth: Ensure each plant is inserted into the wall structure at the correct depth, which usually means the top of the root ball is flush with the soil surface of the living wall. This positioning encourages healthy root growth outward and downward within the structure.
  5. Immediate Watering Needs: After planting, it’s crucial to water your living wall thoroughly. This initial watering helps to settle the soil around the roots and ensures that plants have enough moisture to start acclimatizing to their new environment. Depending on your irrigation system, a manual, deep watering might be necessary to compliment the automated system, ensuring all new plants get a good start.
  6. Ongoing Watering Requirements: Moving forward, it’s important to adhere to a consistent watering schedule that meets the needs of your plants while considering seasonal changes and weather conditions. Your tested irrigation system should provide a baseline for regular watering but be prepared to make adjustments. Monitor the soil moisture and plant health closely, especially in the first few weeks, and adjust watering frequency and quantity as needed. Remember, overwatering can be as detrimental as under-watering, so aim for a balance.
  7. Monitoring and Adjustments: Keep an eye on your living wall for signs of plants that are thriving or struggling. Some may require pruning or eventual replacement if they do not adapt well to the living wall conditions. Such monitoring and adjustments are part of the ongoing care that will keep your vertical garden lush and vibrant.

Planting your living wall is a process that requires careful selection of plants, attention to spacing, and a deep understanding of both immediate and ongoing watering needs. By following these guidelines, you’re setting your vertical garden up for success, ensuring it becomes a lively and flourishing addition to your space.

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Step 5: Maintain Your Living Wall

Maintaining your living wall is key to ensuring its beauty and vibrancy over the long term. Regular upkeep practices such as pruning, tailored watering, and appropriate fertilization not only promote healthy growth but also prevent pests and diseases.

Pruning and Grooming

Regular pruning is vital to maintain the desired shape of your living wall and encourage bushier, more vigorous growth. Remove dead or dying leaves and stems to prevent them from becoming a haven for pests and diseases. This also allows light to reach all parts of the plants, promoting even growth across the wall. Grooming, including removing spent flowers and leaves, keeps the wall looking tidy and may also encourage more blooms.

Watering

Watering needs can vary significantly between different plants in your living wall, so it’s crucial to monitor moisture levels closely. Over-watering can lead to root rot, while under-watering can stress plants, making them more susceptible to diseases and pests. Adjust your irrigation system based on seasonal changes, and consider manual watering if certain areas appear to be drier than others. A consistent but adaptable approach to watering will support a healthy living wall.

Fertilizing

A balanced fertilization regime is essential for the nutrient requirements of your living wall. Use a well-balanced, slow-release, or water-soluble fertilizer at the recommended strength to nourish your plants throughout their growing season. Choose a fertilizer that suits the majority of your plants for a simple fertilizing routine.

If you have a few unusual statement plants, consider targeting feeding for particular species with unique needs. Fertilize in the growing season to support plant health, but avoid over-fertilizing, which can lead to excessive growth, making the plants more vulnerable to diseases and pests.

Monitoring for Pests and Diseases

Regular inspection of your living wall is crucial for early detection of pests and diseases. Look for signs of distress, such as discolored leaves, wilting, or unusual spotting, which may indicate a problem. Early identification and treatment are key to managing these issues before they spread. Use eco-friendly pest control methods, like neem oil or insecticidal soap, to handle infestations and remove severely affected plants to prevent the spread of disease.

By implementing these maintenance practices, you’ll not only enhance the longevity and aesthetic appeal of your living wall but also create a healthier environment for your plants to thrive. A combination of vigilance and regular care will keep your vertical garden lush, vibrant, and flourishing for years to come.

A sparse living wall at the Singapore Gardens for reducing noise made up of large air plants.
A sparse living wall at the Singapore Gardens for reducing noise.

A living wall is not just a visual enhancement to your space but a multifaceted addition that brings numerous benefits. From providing privacy in urban environments to enhancing the aesthetic appeal of your surroundings, living walls serve more than just one purpose. They act as natural air purifiers, removing toxins and improving the overall air quality, contributing to a healthier living or working space.

Additionally, living walls offer a natural form of noise reduction, creating a serene and tranquil environment. By investing time in the planning, planting, and maintenance of your living wall, as outlined in the steps above, you’re not only cultivating a visually stunning vertical garden but also reaping the extensive benefits it brings. Enhanced privacy, remarkable aesthetic appeal, superior air purification, and effective noise reduction are just a few of the advantages that make living walls a worthy addition to any space.

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