Welcome to your guide on Seaweed (Kelp) Extract from Ascophyllum Nodosum — a powerful, natural plant tonic trusted by gardeners to boost plant health, improve resilience, and enhance overall growth.
Unlike traditional fertilisers that mainly supply nutrients, Ascophyllum Nodosum extract works as a bio-stimulant, helping plants grow stronger, recover from stress faster, and perform at their best throughout the life cycle. Packed with natural plant hormones (mainly Cytokinin & Gibberellin), trace elements, and organic compounds, kelp extract is one of the simplest ways to noticeably improve plant vitality — whether you’re growing vegetables, flowers, or fruit trees.
Why Use Seaweed (Kelp) Extract?
Seaweed extract contains naturally occurring cytokinins, Gibberellin, amino acids, and trace minerals that stimulate plant processes at a cellular level.
Rather than forcing growth, it supports healthier, more balanced development, making plants more productive and resilient.
Key Benefits
🌿 Stronger Root Development
Encourages deeper, healthier root systems for better nutrient and water uptake.
🌱 Improved Plant Growth & Vigor
Stimulates natural growth processes, leading to stronger, more robust plants.
🌸 Better Flowering & Fruit Set
Supports flowering and reduces stress-related flower drop.
🍅 Enhanced Yield & Quality
Improves size, colour, and overall quality of fruits and vegetables.
💧 Stress Resistance
Helps plants cope with heat, drought, transplant shock, and disease pressure.
🌎 100% Natural & Safe
Ideal for organic-style gardening and safe for regular use.
When to Use Kelp Extract
Kelp extract can be used throughout the entire growing cycle:
- Seedlings & Transplants – Reduces transplant shock and promotes establishment
- Vegetative Growth – Boosts leaf and root development
- Pre-Flowering – Supports bud formation and plant strength
- Fruiting Stage – Enhances fruit set and quality
- Stress Periods – Heatwaves, drought, or poor soil conditions
How to Apply Seaweed Extract
⚠️ Mix the fertiliser with water and well shake it before use. Apply during cooler parts of the day (morning or evening).
🌱 Small Plants, Pots & Indoor Plants
Dissolve 1.5 g per 1 L water (≈ ¼ teaspoon)
Apply as a foliar spray or soil drench every Fortnight
🥕 Vegetable Gardens & Flower Beds
- Small: (1–2m²) 1–2g dissolved in 1–2L water
- Medium: (5–10m²) 5–10g dissolved in 5–10L water
- Large: (20–50m²) 20–50g dissolved in 20–50L water
Apply every 1–2 weeks during active growth
🌳 Fruit Trees & Shrubs
- 10 g per 5 L (≈ 2 teaspoons)
Apply as a foliar spray or soil drench every Fortnight
Apply at:
- Early growth
- Pre-flowering (key stage)
- After fruit set
🌿 Lawns & Turf
Dissolve 15 g per 10 L water (≈ 1½ tablespoons)
Apply evenly over ~100 m² every 2–3 weeks
Why Gardeners Love Kelp Extract
✔ Boosts plant health naturally (not just feeding)
✔ Improves resistance to stress and poor conditions
✔ Enhances flowering and fruit quality
✔ Suitable for all plants — from indoor pots to outdoor gardens
✔ Easy to use with flexible application methods
Frequently Asked Questions
1. Is this a fertiliser?
Not exactly. Kelp extract is a bio-stimulant, meaning it enhances how plants grow and use nutrients rather than supplying large amounts of NPK.
2. Can I use it with other fertilisers?
Yes — it works very well alongside fertilisers like NPK or Potassium Sulphate.
3. Is it safe to use regularly?
Absolutely. Regular use every 1–2 weeks is ideal for best results.
4. Can I spray it on leaves?
Yes — foliar application is one of the most effective ways to use kelp extract.
5. What pack size is available?
Available in 500 gram and 5kg packs — perfect for home gardeners.
Give Your Plants a Natural Advantage
Support stronger growth, better yields, and healthier plants — the natural way.
Premium Seaweed (Kelp) Extract – with FREE Australia-wide shipping 🌱
