Build A Pallet Vertical Planter For Succulents And Herbs

A timber pallet can become a compact living wall for a balcony, courtyard, patio or narrow side path. With a few basic tools, landscape fabric and suitable plants, it provides growing space without taking over the ground. Succulents bring sculptural colour and low-maintenance foliage, while herbs make the planter useful for everyday cooking.

The most important part of the project is choosing a safe, sound pallet. Recycled timber may have been exposed to oil, chemicals, animal waste or saltwater, so its history matters. A clean, heat-treated pallet from a reputable supplier is a better choice than a damaged one found beside a commercial bin.

Australian conditions also influence the design. A planter in Perth may need protection from intense afternoon sun, while one in Brisbane must cope with humid weather and heavy rain. On a Melbourne balcony, winter cold and wind can dry out shallow pockets quickly. Selecting the right location and planting mix will help your vertical garden stay attractive through the seasons.

Choose A Safe Pallet And Suitable Position

Look for a pallet with solid boards, firm stringers and no serious splitting, rot, mould or strong chemical smell. Check the stamp for “HT”, which indicates heat treatment. Avoid pallets marked “MB”, as methyl bromide fumigation is unsuitable for a home garden. It is also wise to avoid timber that has carried paint, solvents, fertiliser, fuel or unknown industrial materials.

Many Australians start by checking a local landscaping yard, recycling centre or pallet supplier rather than taking one from a building site. Bunnings and independent hardware shops also stock new garden-safe timber if you prefer a predictable finish. Ask permission before collecting a used pallet, and wear gloves while inspecting rough boards for protruding nails and splinters.

Choose a position with good natural light and easy access to water. Most culinary herbs need at least four to six hours of sun, while many succulents prefer bright light and protection from harsh late-afternoon heat. A wall facing north can be productive in southern states, but it may become excessively hot in northern Australia. East-facing locations often provide gentler morning light.

Think about weight before mounting the planter. Wet soil, timber and mature plants can make a pallet surprisingly heavy. A freestanding frame is safest on a balcony or rental property, especially where strata rules limit drilling into walls. If fixing it to masonry, use appropriate anchors and keep the bottom edge above splash zones and standing water.

Prepare The Timber For Long-Term Use

Begin by removing loose nails and sanding every accessible surface. You do not need a perfectly smooth finish, but round off sharp corners and rough splinters that could catch clothing or cut hands. A hammer, pry bar, drill, coarse sandpaper and eye protection are usually enough for the preparation stage.

Leave the back and lower edges open enough for drainage and airflow. A vertical planter that sits directly against a damp wall can trap moisture, encourage mildew and stain render or painted surfaces. Small rubber feet, masonry spacers or a simple timber stand can create an air gap and extend the life of the pallet.

If you want to seal the timber, use an exterior water-based coating labelled for garden projects. Natural-looking stains work well with silver-green succulents, while a pale finish reflects heat in exposed areas. Avoid products that contain unsafe preservatives where soil or edible leaves may touch the timber. Follow the label’s curing instructions before adding plants.

To create planting pockets, measure the open sections between the pallet boards. Landscape fabric, geotextile cloth or heavy-duty weed mat can be stapled across the back and sides of each pocket. Use galvanised staples and overlap the fabric at corners. Leave the front open, then reinforce the lower edge with a second strip if the soil may spill through gaps.

Assemble A Vertical Growing Frame

A simple pallet planter can be used in two ways. The easiest approach is to stand it upright and fill the existing openings with potting mix. This suits succulents, small herbs and trailing plants. For a more secure structure, attach timber battens across the front of each opening, creating shallow boxes that hold soil while still showing the pallet’s rustic character.

Line each pocket before adding the growing medium. The fabric should hold soil while allowing excess water to escape. Do not seal the bottom completely with plastic, because trapped water quickly causes root rot. Add several drainage holes through any timber base, and position the planter so water cannot pool beneath it.

Use a quality cactus and succulent mix for drought-tolerant plants, or make your own by combining two parts premium potting mix with one part coarse perlite or pumice and one part washed horticultural grit. Herbs require more moisture and nutrients, so their pockets can contain a richer mix: two parts premium potting mix, one part compost and a small amount of perlite for drainage.

Avoid ordinary garden soil. It becomes heavy when wet, compacts inside the pockets and may introduce weed seeds or soil-borne diseases. A lightweight commercial mix also reduces strain on the pallet and any wall fixings. Fill each section firmly enough to remove large air gaps, but do not compress the mix into a hard block.

Let the structure settle for a day before planting. Water it lightly and check whether the fabric sags, the pallet leans or soil escapes from the lower edges. Making these corrections while the planter is empty is much easier than repairing it after the plants are in place.

Select Plants For Australian Conditions

Succulents are excellent for the upper and outer pockets, where wind and sun can dry the mix quickly. Try echeveria, crassula, sedum, graptopetalum, kalanchoe and smaller aloe varieties. Their different forms create contrast: rosettes provide structure, upright stems add height and trailing sedums soften the edges.

Avoid placing large agaves, rapidly spreading aloe or prickly euphorbia in a narrow passage. They can become top-heavy and make pruning difficult. Check the mature size on the plant label, because a small nursery specimen may eventually need an entire pallet pocket.

Herbs are best placed in the more sheltered middle or lower sections, where the mix stays slightly cooler. Thyme, oregano, sage, rosemary, chives and parsley generally perform well in containers. Basil enjoys warmth and regular moisture, although it may struggle through cool winters in Tasmania, Victoria and the colder inland districts. Mint should stay in its own lined pocket because it spreads aggressively.

Combine plants with similar watering needs. Rosemary and thyme prefer a drier mix than coriander or parsley, so planting them together often leads to either overwatering or stressed foliage. In tropical Queensland, choose an airy location and use extra perlite to reduce humidity-related root problems. In dry South Australian or Western Australian conditions, add a temporary shade cloth during heatwaves and check shallow pockets more often.

Use edible plants only where the timber and coating are suitable for food gardening. Keep trailing succulents away from herbs if they have been treated with unknown chemicals, and never use ornamental plants as garnish unless their identity and safety are certain. Label herbs with small weatherproof tags so harvesting remains convenient.

Plant, Water And Maintain The Living Wall

Plant the lower sections first, then work upwards. Set each herb or succulent slightly above the final soil level so the crown does not sit in wet mix. Firm the material around the roots, leaving a small gap below the rim to catch water. After planting, give the entire planter a gentle soak and allow it to drain completely.

Newly planted succulents need more regular moisture while roots establish, but they should never remain saturated. Water when the top few centimetres of mix are dry, then water deeply enough to reach the bottom of each pocket. During a hot Australian summer, this may mean checking the planter daily, especially on a western wall or exposed apartment balcony.

Herbs usually need more frequent watering than succulents. Early morning is a practical time because foliage dries during the day and evaporation is lower. In areas affected by local water restrictions, use a small drip irrigation kit with a timer, mulch the herb pockets lightly and collect rainwater where permitted. Hand watering with a narrow-spout can is suitable for a small pallet and gives you a chance to inspect each plant.

Feed herbs every four to six weeks during active growth with a diluted liquid fertiliser or an edible-garden fertiliser. Succulents need much less feeding; a weak application in spring is generally sufficient. Remove dead leaves, trim woody herbs after flowering and pinch basil regularly to encourage bushy growth.

Rotate a freestanding planter every few weeks if one side receives much more light. Inspect for mealybugs, scale, aphids and fungal spots, particularly after humid weather. Good airflow, restrained watering and prompt removal of damaged leaves are often more useful than heavy chemical treatment.

In frost-prone parts of Canberra, inland New South Wales and Tasmania, move portable planters under cover during severe cold. In cyclone-prone or very windy coastal areas, secure the frame firmly and avoid tall, top-heavy specimens. A pallet garden should remain stable when fully watered and during strong weather, not just when it is newly assembled.

Feature	Succulent Pocket	Herb Pocket
Best growing mix	Cactus mix with perlite, pumice or grit	Premium potting mix with compost and perlite
Watering pattern	Allow the upper mix to dry between watering	Keep evenly moist without creating soggy soil
Suitable plants	Echeveria, sedum, crassula and small aloe	Thyme, oregano, parsley, chives and basil
Ideal position	Bright light with protection from extreme afternoon heat	Morning sun or filtered light with convenient access
Feeding needs	Light feeding in spring	Regular diluted fertiliser during active growth
Main risk	Root rot from poor drainage	Wilting, drying out and nutrient depletion

A pallet planter rewards small, regular jobs rather than complicated maintenance. Check the fabric, fasteners and timber every few months, especially after heavy rain. Replace a pocket that has collapsed before the soil and plants put extra strain on the remaining structure.

Start with one clean pallet, a few dependable herbs and several hardy succulents. Build the planter where you will see and use it, then adapt the watering and planting choices to your local Australian climate. With sound construction and sensible plant pairings, an unused pallet can become a practical green feature for years.