







Seaweed Tonic 800ml – Liquid Seaweed Plant Feed for Growth, Rooting & Plant Health
£9.00
Liquid seaweed tonic enriched with micronutrients to promote root growth, healthier leaves, and vigorous plant development. Suitable for all plants, lawns, and containers.
100 in stock
Seaweed Tonic 800ml is a natural liquid fertiliser enriched with seaweed and essential micronutrients, designed to promote strong root development, vigorous growth, and overall plant health. Suitable for use throughout the garden, it encourages better flowering, fruiting, and greener foliage.
This versatile tonic can be applied to bedding plants, flowers, shrubs, trees, conifers, fruit, vegetables, lawns, and container plants. It is also ideal for moistening sowing compost, applying as a drench after pricking out seedlings or placing cuttings, and maintaining soil vitality.
Key Benefits:
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Encourages strong roots, healthier leaves, and vigorous growth
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Suitable for flowers, vegetables, shrubs, trees, fruit, and lawns
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Enhances soil and compost for better plant establishment
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Can be used all year round, including during sowing, propagation, and growing season
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Contains natural seaweed and essential micronutrients
Application Guidance:
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Sowing: Dilute 10ml in 10 litres of water. Moisten compost before and after sowing.
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Propagation: Dilute 20ml in 10 litres of water. Apply as a drench to pots after pricking out or placing cuttings.
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Plants in pots/containers: Dilute 30ml in 10 litres of water. Apply every 7–14 days.
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Plants in soil: Dilute 40ml in 10 litres of water. Apply every 7–14 days.
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Lawns: Dilute 40ml in 10 litres of water. Apply monthly in spring and autumn.
| Brand: | Levington |
|---|---|
| Product Name: | Seaweed Tonic |
| Type: | Liquid plant fertiliser |
| Form: | Liquid concentrate |
| Size: | 800ml |
| Enrichment: | Seaweed + micronutrients |
| Application Method: | Dilute in water and apply to base of plants as drench |
| Target Plants: | Bedding plants, flowers, shrubs, trees, conifers, fruit, vegetables, lawns |
| Suitable For: | Indoor, outdoor, garden beds, containers, pots, lawns |
| Feed Frequency: | Every 7–14 days for plants, monthly for lawns; can be applied year-round |
| Visible Results: | Within 1–2 weeks |
| Safety: | Wear gloves during use; keep away from children, pets, and food |
| Pack Size: | 1 Unit |
| Condition: | New |
| Country of Origin: | United Kingdom |












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