Daily gardening tip · Northern hemisphere · Sunday 20 September 2026 · early autumn
Why Feed Autumn Containers with Seaweed
Giving your potted plants a dose of liquid seaweed feed now helps them build the strength they need to survive the upcoming winter cold.
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Purchase a bottle of liquid seaweed extract from a garden center.
Mix the recommended dose of seaweed liquid with water in a watering can.
Pour the mixture over the soil of your outdoor container plants until it runs out the bottom drainage holes.
Apply this feed once more in two weeks to give your plants a final autumn boost.
Why it works
Unlike standard fertilizers that encourage weak, frosty-vulnerable leafy growth, seaweed feed is rich in trace elements and natural growth hormones. It strengthens the plant's cell walls, making the roots and stems much more resilient to freezing winter temperatures.
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