All prices include shipping.
Price range: $29.99 through $62.99
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New 3-in-1 Complete Formula – Australian Made
Together, they deliver a complete, balanced plant and soil tonic suitable for year-round use.
SEASOL Trilogy 631 is a unique blend of three refined natural soil and plant-boosting compounds:
60% SEASOL
30% POWERFISH
10% ORGANIC HUMATE
This powerful combination supports stronger root growth, healthier soil biology, and improved plant resilience to heat, cold, transplant shock, and environmental stress. Trilogy 631 enhances both soil regeneration and long-term productivity, making it an exceptional all-rounder for your garden, lawn, fruit trees, and ornamentals.
Apply Trilogy directly to the soil/root zone for best results.
Stimulates stronger root growth
Improves stress tolerance (heat, cold, drought)
Source of natural proteins and amino acids
Provides organic nutrition to soil and plants
Boosts microbial activity
Improves water & nutrient holding
Supplies humic & fulvic acids
Enhances root growth and increases photosynthate exudation into the soil
Boosts soil microbial activity at the rhizosphere
Improves the soil carbon and nitrogen cycles
Provides peptides & amino acids that support plant growth
Increases overall soil organic matter
Improves sunlight utilisation, enabling stronger plant development
Helps plants recover faster after extreme weather
Apply from seedling or transplanting.
Use 4 applications every 10 days during critical growth stages.
Rate: 20 ml per 10 L.
Apply from seedling or transplanting.
Use 4 applications every 10 days at key stages.
Rate: 40 ml per 10 L.
Apply from growth flush or bud initiation.
Use 5 applications every 10 days, plus one post-harvest.
Rate: 20–40 ml per 10 L (use higher rate for large trees).
Apply regularly during the growing season.
Once blooms develop, soil-only application (no foliar spraying).
Rate: 20–40 ml per 10 L.
Apply at the start of the growing season and after each mow.
Use 4–5 applications every 10 days during active growth.
Do not use on grazing grass within 3 weeks of animals accessing the area.
Rate: 20–40 ml per 10 L.
Apply 3–7 days before extreme weather for best results
Also apply after extreme weather to support recovery
Dilute before use
Shake well before applying
Buy a 1L bottle of Trilogy and receive a FREE 500ml bottle of Seasol PLUS!
Limited time only. While stocks last.
We proudly support Australian-made products—this item is locally manufactured, ensuring high quality and supporting Australian industry.
Please note: This sale is for the product stated only. Any other items pictured are for illustration purposes and may be available separately.
Local pick-up welcomed from Nursery and Garden Supplies, Burleigh Heads (Gold Coast, QLD).