Optigrow Opticast – 100% pure earthworm castings.

Castings are a thick black natural compound produced by earthworms. It is the fundamental component of natures soil building process. Castings harbor all the components necessary for plants to thrive and for soil to build and develop into a physically, chemically and biologically healthy growth medium.

Sizes Price

5l R50.00
10l R80.00
20l R135.00
40l R220.00

1000l (Bulk 25 x 40l) R3927.00

Optigrow Optimix

Optimix is an ideal solution for pot and bag mix.
Optigrows special mix of earthworm castings and secret sauce to keep your plants healthy and get them growing like crazy.

Sizes Price

40L R152.00
20L R95.00

1000l (Bulk 25 x 40l) R2805.00

Optigrow Additives

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Healthy soil is the sum of its components.
There are a multitude of soil additives that make available additional minerals and micro-nutrients.


Compost – Horse manure
Compost – Chicken manure
Compost – Rabbit manure
Compost – Kraal manure mix
Compost – Bark mulch
Coco Coir
Kelp meal
Sea Rock Liquid Kelp

Optigrow OptiFeed

Optifeed is a concentrated casting leachate packed with nutrient and biological components optimised to support plants and stimulate growth and root development.

Sizes Price
2l R25 p/l
5l R25 p/l
10l R25 p/l
20l R25 p/l

Optigrow Tea Set

Optigrow tea set, brew a batch of rocket fuel for your plants.
A twin tub setup with automated aeration and circulation system and your starter batch of Opticast earthworm castings to get you started.

Sizes Price

20l / 25l Unit R995.00


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Mega pot is designed especially to grow Mega-Pot.
For indoor and outdoor growers, wanting maximum space for root development.
With a massive 80 Litres of grow space, filled with our special Opti-Mix and perfect for expandable systems, there is no better way to grow indoor or out if you wanting to grow pot in a pot.

Sizes Price

80l R620
800l (Bulk 80l x 10) R5 346.00


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Your one stop grow pot.
Our grow tub is designed especially for the inside grower who want to get to the growing as quick and efficiently as possible.
Filled with our special Opti-Mix and perfect for expandable systems, there is no better way to get started indoors.

Sizes Price

20l R225.00
25l R270.00

1000l (Bulk 20l x 50) R 9,445.00
1000l (Bulk 25l x 40) R 9,067.00


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The Opti-Grow-Set offers a four tub expandable automated grow system.
Set includes four 25l tubs with irrigation computer and dripper lines.
The system can be expanded as needed.

Sizes Price

4 x 25l set complete R2,967.00
4 x 25l extension R1,629.00

500l set complete (Bulk 100l x 5) R 7,996.00


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The easiest way to get started reliably outdoor.
Packed with Opticast, our 100% pure earthworm castings, our Grow-Puk is your reliable tool for germination and growing outdoors.
Designed especially to position your plants, mark them, have a pest barrier and ensure a healthy environment around your precious seed, there is no better way to get started outdoors.

Sizes Price
10 x 500ml R157.00 (R15.70 each)
10 x 1000ml R245.00 (R24.50 each)

OptiGrow Geo-Frame tunnels and structures

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The strongest, lightest, DIY tunnel frame systems.
A light galvanised framework system deriving its strength through geometry.
Available in two tunnel designs, truss and lean-to systems.
Easy to erect, easy to secure, easy to move.
Coverings available in plastic and net.

Sizes Price

2.1m Contact for pricing
3.7m Contact for pricing

OptiGrow Timber – Natural rough timber products

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Beautiful rough timber pogadas and planter boxes.

OptiGrow Macadamia tree nursery

We offer a variety of cultivars both grafted and cuttings.

Our focus is the development of healthy trees with superior roots systems.

For more information or to be added to our waiting list, please give us a call.

Beaumont cutting in Opticast 110x400x100 R75.00

Beaumont graft in Opticast 110x400x100 N/A
A4 graft in Opticast 110x400x100 N/A
A16 graft in Opticast 110x400x100 N/A
Nelmac 2 graft in Opticast 110x400x100 N/A

Beaumont nut in bag in Opticast 110x400x100 R30.00
Nelmac 2 nut in bag in Opticast 110x400x100 R30.00