Runnerduck blog clearly shares through detailed directions and pictures how to build a vertical strawberry tower. By growing the strawberries off the ground it reduces chances of rot, uses less space and reduces risk of insect damage. The only thing I would add to this project is a strip of copper around the base to deter slugs.
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Mr Stacky 5 Tiered Hanging and Stacking Indoor Outdoor Vertical Strawberry Planter – Learn How to Grow Organic Strawberries Easy with These Terra Cotta Plastic Containers – Great Garden Planting Pots – Planters Also Used for Herbs Peppers Flowers Tomatoes Succulents Green Beans – Free Growing Gardening Plant Tips