GARDEN GOLD Sea-Prime Organic Seaweed Fertiliser

Seaweed & amino acid booster – for optimal nutrient uptake and plant resilience


Top 3 Reasons to Choose Garden Gold Sea-Prime

  • Extra strong seaweed extract – with 24% Ascophyllum nodosum for deep roots, vibrant leaf color, and vigorous growth
  • Immediate effect on growth & resilience – 20% amino acids and added iron (Fe) support stress recovery and photosynthesis
  • One formula for everything – suitable for gardens, greenhouses, sports turf, and compost – safe for children and pets
Selected price: Sale price€16,95
Volume: 500 ml
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Part of a complete feeding system:

Sea-Prime is often used as part of the GARDEN GOLD Feeding Programs, where base nutrition and foliar application complement each other for healthy plant growth.

👉 Discover all GARDEN GOLD feeding programs

Before and after Sea-Prime application

Before Application

Before Application

After Application

After Application

Slepen

For lawns, ornamentals, vegetables, herbs, fruit trees, vineyards, potted plants, and even sports turf or golf greens, GARDEN GOLD – Sea-Prime Formula is a powerful organic seaweed-based fertiliser and biostimulant in one. Developed for healthy growth, deep rooting, and vibrant foliage in both home gardens and professional settings.

With 24% seaweed extract (Ascophyllum nodosum), 20% plant-based amino acids, and added iron (Fe), Sea-Prime supports nutrient uptake, plant resilience, and active photosynthesis.

Visible results: stronger foliage, healthier soil biology, and vigorous growth — in open soil, containers, greenhouses, orchards, and turf.

Why choose GARDEN GOLD – Sea-Prime Formula?

  • 24% seaweed extract – natural growth stimulation rich in plant hormones
  • 20% amino acids – improves stress resistance and recovery
  • Added iron (Fe) – prevents chlorosis and supports photosynthesis
  • Vinasse-free – no salt buildup, safe for roots
  • Stimulates root development via active soil biology
  • Supports growth, flowering & fruiting
  • Stress protection during heat, drought, mowing, or pruning
  • Compost accelerator – speeds up natural decomposition
  • One formula, many applications – suitable for all plant types
  • Safe & gentle – suitable for gardens with children and pets

Active ingredients working together

Yield (liters of prepared nutrient solution)

Application 500 ml 1 liter 5 liter
Soil fertilization 50 – 100 100 – 200 500 – 1000
Foliar feeding 100 – 250 200 – 500 1000 – 2500

Use

Sea-Prime Formula can be applied via soil fertilization, foliar feeding, or drip irrigation, allowing flexible use depending on crop type, growth stage, and environmental conditions.

Dosage (guideline)

Application Recommended dosage
Soil fertilization Approx. 5–10 ml per liter of water
Foliar feeding Approx. 2–5 ml per liter of water
For young plants and sensitive crops, use the lower end of the dosage range.

Efficient in use

Thanks to its high concentration of bioactive compounds, Sea-Prime lasts a long time and supports many individual nutrient applications, always prepared fresh as needed.

All Garden Gold products are developed on the basis of agronomic research and produced using carefully selected, plant-based raw materials. Sea-Prime Formula is CE-certified and approved for use in organic cultivation within the EU.

Sea-Prime Formula is also effective as a compost accelerator .

  • CE certified
  • Produced in the EU
  • Registered in the European Input List for organic production
  • Listed in the FiBL Input List for organic production (Germany)
  • Suitable for Demeter / biodynamic agriculture

Trusted by organic growers across Europe

Learn more in our blog: Tips for fertilising with Sea-Prime .

Note: Organic fertilisers are not suitable for hydroponics (such as hydro systems or clay pellets used as substrate).

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