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4. Protective Padding for Delicate Plants
Wrap a soft old sponge around the stem base of young or delicate plants to protect them from wind or critter damage. It also provides a cushion when staking tender seedlings.
5. DIY Plant Drip System
Place a soaked sponge slightly buried near the base of thirsty plants. It will slowly release water over time, helping to keep the soil evenly moist during dry spells.
How to Prep Your Old Sponges
Before using, be sure to:
- Disinfect the sponge with a soak in a 1:4 vinegar-water solution or microwave it (if it’s microwave-safe) for 1–2 minutes to kill bacteria.
- Rinse thoroughly to remove any soap or food residue.
Avoid using sponges that have been exposed to harsh chemicals or heavy grease—they’re best left out of the garden.
Final Thoughts
Old sponges may seem like trash, but in the garden, they’re pure treasure. These humble household items can help retain moisture, start seeds, trap pests, and protect delicate plants—all without costing a dime. So next time you’re ready to toss that sponge, think twice. With a little garden ingenuity, it’s “worth its weight in gold.”
Tip: Keep a small bin in your kitchen labeled “Garden Use” for worn-out items like sponges, coffee grounds, and eggshells. Your plants will thank you!
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