How to Plant a Hanging Basket with Coco Liner | Step-by-Step Setup

Planting a hanging basket with a coco liner means lining the basket with the coir liner, adding a lightweight container potting mix, and arranging upright thriller plants in the center with trailing spillers around the edges for a full display.

A coco liner turns a basic wire basket into a breathable, natural-looking container that drains well. The process itself takes about twenty minutes. The most common mistake is using heavy garden soil instead of a lightweight container mix, which suffocates roots and holds too much water. Here is the exact sequence to get it right the first time.

Prep the Coco Liner for the Basket

Choose a coco liner sized to fit your wire basket. Press it into the basket dry to check the fit. If the liner feels stiff and unwilling to mold, soak it in water for thirty to sixty minutes — the fibers soften and become flexible enough to shape against the wires. Once it fits well, trim any excess material above the basket rim with scissors, leaving about half an inch of liner above the rim; you can trim further later. If the coco liner came with a plastic backing or you intend to add a plastic layer for moisture retention, cut several drainage slits or holes in the plastic so excess water can escape. Without those drainage openings, standing water will rot the roots.

Add the Right Potting Mix and Fertilizer

Fill the lined basket about one-third full with a lightweight potting mix formulated for containers. Garden soil is too dense — it compacts in a hanging basket, drains poorly, and makes the basket much heavier. Container potting mixes include perlite or vermiculite for drainage and moisture retention, which is exactly what a coco-lined basket needs. Mix in a controlled-release granular fertilizer at this stage, following the package rate. The nutrients will feed the plants steadily through the growing season without repeated liquid feeding.

Arrange the Plants by Role

The standard layout uses three plant groups. Set one or two upright plants — often called the “thriller” — in the center of the basket. These grow tall and give the arrangement height. Around the center, place filler plants that bush out to add volume. Around the outer edge, plant trailing or “spiller” plants whose stems will hang over the basket rim. Angle the trailing plants slightly outward so they naturally drape over the edge as they grow. For an even fuller look, some gardeners cut small slits in the sides of the coco liner and insert trailing plants through those openings at planting time — though this is optional if the basket is wide enough to look full from the top alone. If you do side slits, keep them small enough that the soil does not pour through, and water the basket immediately after finishing to settle everything.

Before you start planting, browse our full roundup of the best hanging baskets with coco liners to find a size that fits your space and plants.

Finish, Water, and Hang

Now backfill around the plants with more potting mix, firming it gently to eliminate air pockets. Leave the soil level about half an inch below the basket rim — this creates a slight lip that holds water during watering rather than letting it spill over immediately.

Water the basket thoroughly until you see water running out of the bottom drainage holes. This means the entire root ball is saturated. After this first deep watering, hanging baskets with coco liners dry out faster than plastic or ceramic pots because the coir fibers breathe. In hot or dry weather, you may need to water once daily, and sometimes twice daily during peak summer heat.

Hang the filled basket from a sturdy hook or bracket. A fully planted and watered hanging basket is much heavier than it looks — the soil, water, and growing plants put serious weight on the support. A flimsy hook or untreated wood screw will pull out under the load.