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Grosafe Bioneem
Certified organic broad spectrum insecticide.
Control aphids, thrips, whitefly, leaf-mining flies, mealy bugs and scale.
Makes up to
$35.99
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Grosafe BioPower Seaweed Flake 100g
Organic plant food.
Add capful to watering can fill with water and pour over and into plant base.
Recommended product.
$9.99
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Grosafe Enspray99 200ml
EnSpray 99® – 200ml
Makes 20 litres
An insecticide and fungicide for the control of mites, aphids, thrips, scale and powder
$15.99
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Grosafe Enspray99 500ml
EnSpray 99® – 500ml
Makes 50 litres
An insecticide and fungicide for the control of mites, aphids, thrips, scale and powder
$28.99
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Grosafe FreeFlo Copper 200g
Certified organic fungicide for the control of fungal and bacterial diseases of roses and ornamentals.
Makes up to 100l
$27.99
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Grosafe Knockdown 750ml
A broad spectrum non selective weedkiller that controls a wide range of grass and broadleaf weeds, in a
Ready to Use Spray.
It is
$8.99
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Grosafe Ocean Fert 1kg
Granular Seaweed Fertiliser.
Use for indoor and outdoor plants.
Slow release, seaweed fertiliser that improves soil condition and as
$19.99
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Grosafe Oceans Power 1litre
Helps improve soil health and crop production.
Recommended product.
Goes a long way.
$29.99
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Lemon Genoa
Small to medium size bush produces heavy summer crop of juicy fruit.
Protect from frost.
$36.99
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Lemon Lisborn
Strong grower, heavy crops of tangy lemons during winter and spring.
Protect from frost.
$36.99
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Prices are in New Zealand Dollars and include GST
Terms & Conditions
Portstone Garden Centre offers 10% for Super Gold Card Holders for most products not already on specials. T & C's apply.