Set Up a Self-Watering Wicking Floor for Raised Beds

Quick Answer

Install a self-watering wicking floor under your raised bed to turn it into a self-watering system that keeps roots hydrated with minimal effort.

Step-by-Step Installation

1. Prepare the Bed Base: Place your raised bed on level ground. Remove any rocks or debris. If the bed sits on grass, lay down a weed barrier or cardboard to prevent weeds from growing up into the reservoir. A level base prevents the wicking floor from tilting and causing uneven water distribution.
2. Install the Wicking Floor: Fit the self-watering wicking floor into the bottom of the bed. It should sit flush against the sides. Ensure the fill tube (if included) is accessible from the outside or top edge for easy refilling. Check that the floor sits flat and seals against the bed walls to avoid soil falling into the reservoir.
3. Fill the Reservoir: Pour water into the fill tube until it reaches the overflow outlet. Do not overfill—the excess will drain out. Use a hose with a quick connector for hands-free filling. Stop filling when water appears at the overflow; more water does not increase capacity.
4. Add Soil and Plant: Fill the bed with your chosen growing medium, leaving at least 1 inch of space below the top edge. Plant as usual. The wicking floor will begin drawing moisture up into the soil within hours. Use a light, well-draining soil mix to maximize capillary action and avoid compaction.
5. Monitor and Refill: Check the water level every few days, especially during hot weather. Refill when the reservoir is low. Over time, you'll learn your bed's watering rhythm. A dry top layer does not mean the bed needs water—check the reservoir first.

Product Used in This Guide

• Self-Watering Wicking Floor for 17" Tall Classic Beds: Designed to fit perfectly in your bed while leaving you an optimal 12” planting depth. You get the full benefit of a raised bed's depth while adding a reservoir that waters from below.