Get growing with Gammans 

5B MEGA MULCH
5B MEGA MULCH

The benchmark residential mulch you see on gardens everywhere.

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6B CAMBIUM
6B CAMBIUM

a larger grade than the 5B and often seen in orchards under trees or on sloping surfaces.

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#5 DECORATIVE BARK NUGGETS
#5 DECORATIVE BARK NUGGETS

An attractive alternative to mulch and frequently used in children's playgrounds and parks.

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#6 DECORATIVE BARK NUGGETS
#6 DECORATIVE BARK NUGGETS

a larger grade decorative nugget for bigger areas. Great for shrubby gardens with trees.

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1-4mm HORTICULTURAL PUMICE
1-4mm HORTICULTURAL PUMICE
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4-9mm HORTICULTURAL PUMICE
4-9mm HORTICULTURAL PUMICE
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WASHED SAND
WASHED SAND
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PREMIUM POTTING MIX
PREMIUM POTTING MIX

Containing premium Hauraki peat, nitrogen stabilised bark fines and horticultural pumice for drainage, mixed with slow release fertilisers such as Osmocote and pH and nitrogen balanced for the best growing media available for pots and containers.

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SUPERIOR GARDEN MIX
SUPERIOR GARDEN MIX

½ Gammans Compost and ½ Premium Potting Mix. Fantastic for garden beds and as the top 200mm layer of your raised garden beds.

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QUALITY COMPOST
QUALITY COMPOST

A soil conditioner that includes sheep pellets, lime and dolomite, premium Hauraki peat and nitrogen stabilised bark fines. Mix with your top soil to condition the soil, use with Gammans superior garden mix on the top level and watch it grow!

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SEED RAISING MIX
SEED RAISING MIX
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NITROGEN STABILISED BARK FINES
NITROGEN STABILISED BARK FINES

The nitrogen has been balanced in our bark fines so it doesn't draw nutrients from the surrounding soil to compost.

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SCREENED HAURAKI PEAT
SCREENED HAURAKI PEAT
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BAGGED PRODUCTS
BAGGED PRODUCTS

Many Gammans products are available bulk or in 40 litre bags.

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MANGATANGI RIVER ROCK
MANGATANGI RIVER ROCK

20-40mm Mangatangi River Rock

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MANGATANGI RIVER ROCK
MANGATANGI RIVER ROCK

5-20mm Mangatangi River Rock

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GRADE 5 SEALING CHIP
GRADE 5 SEALING CHIP
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CRUSHER DUST
CRUSHER DUST
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BUILDERS MIX
BUILDERS MIX
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GAP 20
GAP 20
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GAP 40
GAP 40
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07 548 0894