More gardeners than ever are hanging up the synthetic sprayers. In 2026, the chemical-free garden has gone from fringe hobby to mainstream movement — driven by worries about pollinators, soil health, and what ends up on the dinner table. The good news? You need no chemistry degree or expensive products to make the switch. These 12 simple swaps trade each common chemical for a natural alternative that genuinely works. 1. Swap Weed Killer for Horticultural Vinegar Spray Trade synthetic weed killers for 20% horticultural vinegar, which burns young weed leaves on contact. Spray on a hot, dry afternoon when sun amplifies the burn, coating leaves well but avoiding runoff onto lawn or beds — it is non-selective and will damage anything it touches. Pro tip: add a drop of dish soap per litre so the spray sticks to waxy leaves. 2. Swap Pre-Emergent Herbicide for Corn Gluten Meal Ditch chemical pre-emergents for corn gluten meal, a natural by-product that stops weed seeds forming roots. Sprea...