Optimum Bloom
Optimum Bloom is dedicated to the flowering and fruiting stage of plant growth.
Hydroponic Nutrient.


NPK measures three nutrients. Your plant depends on twelve.

Slower growth in winter isn’t a problem to solve. It’s a rhythm to understand.
From childhood obsession to award-winning exhibitor, Tara Peeters shares how 25 years of orchid growing and a move from Victoria to Perth led her to discover GT products and transform her collection.
Read the stories of different growers in our community.
From childhood obsession to award-winning exhibitor, Tara Peeters shares how 25 years of orchid growing and a move from Victoria to Perth led her to discover GT products and transform her collection.

NPK measures three nutrients. Your plant depends on twelve.

Slower growth in winter isn’t a problem to solve. It’s a rhythm to understand.
Explore our library of videos.
Growing tips, environment information and nutrient recommendations for popular plants.
Explore our library of most commonly asked questions. FAQs are categorised across plant types, growing method, growth median and general categories of resources.
Many growers know the Clonex Purple Hormone Rooting Gel. CCS is not the same product—and it isn’t meant to replace it. Use Clonex Gel immediately after taking a cutting (to support initial rooting response). Use CCS during the root development phase (to nourish and support establishment).
GT Foliar comes in a ready to use trigger pack. It couldn’t get much easier – simply point and spray.
Explore our library of most commonly asked questions. FAQs are categorised across plant types, growing method, growth median and general categories of resources.
From childhood obsession to award-winning exhibitor, Tara Peeters shares how 25 years of orchid growing and a move from Victoria to Perth led her to discover GT products and transform her collection.





Optimum Bloom is dedicated to the flowering and fruiting stage of plant growth.
Hydroponic Nutrient.

