If you're looking to enhance your outdoor plant box with magnesium-accumulating plants, you're on the right track! Magnesium is a vital nutrient for plant health, aiding in photosynthesis and overall growth. Here are some of the best plants to consider for your magnesium-rich garden:

1. Comfrey (Symphytum officinale) – A powerhouse for magnesium, comfrey’s deep roots pull nutrients from the soil, making it perfect for natural fertilization.

2. Stinging Nettle (Urtica dioica) – Not just a weed, nettle accumulates magnesium and other minerals, enriching your plant box.

3. Borage (Borago officinalis) – This hardy herb thrives in magnesium-rich soil and attracts pollinators too.

4. Sunflower (Helianthus annuus) – Sunflowers are excellent at absorbing magnesium and adding a vibrant touch to your garden.

5. Kale (Brassica oleracea) – A nutrient-dense leafy green that benefits from and contributes to magnesium-rich soil.

By incorporating these plants, you’ll create a thriving, magnesium-balanced outdoor plant box. Happy gardening!