21
Composts & Growing Media
–
Supplying your growing needs –
Sinclair
NURSERY STOCK COMPOSTS cont’d
NURSERY STOCK COMPOSTS
PROPAGATION
NURSERY STOCK
ALPINE & HERBACEOUS
PEAT-BARK
LINER
CONTAINER
RASPBERRY
BLUEBERRY
A peat-bark-perlite growing medium which provides excellent
rooting. Recommended for both ericaceous and non-ericaceous
species.
N 60, P
2
O
5
70,
K
2
O 120 g/m
3
pH 5.0
An easily managed coarse grade growing medium with bark and
grit. Recommended for both ericaceous and non-ericaceous
species.
N 120, P
2
O
5
140,
K
2
O 240 g/m
3
pH 5.0
An easily managed peat-bark growing medium suitable for a
wide range of alpine and herbaceous perennials. Not suitable for
ericaceous species.
N 120, P
2
O
5
140,
K
2
O 240 g/m
3
pH 6.0
A free-draining growing medium with added grit, for liners
and potting-on. Recommended for both ericaceous and non-
ericaceous species.
N 120, P
2
O
5
140,
K
2
O 240 g/m
3
pH 5.0
A medium-coarse growing medium for smaller pots.
Recommended for both ericaceous and non-ericaceous species.
N 120, P
2
O
5
140,
K
2
O 240 g/m
3
pH 5.0
Less coarse than Sinclair Nursery Stock Growing Medium and
without grit. Recommended for both ericaceous and non-
ericaceous species.
N 120, P
2
O
5
140,
K
2
O 240 g/m
3
pH 5.0
A peat-bark speciality growing medium providing an open
structure. A low nutrient level encourages rapid root and plant
establishment of raspberries grown in containers.
N 120, P
2
O
5
140,
K
2
O 240 g/m
3
pH 5.5
An open growing medium with added micromax and a low pH.
Available with or without grit.
N 30, P
2
O
5
240,
K
2
O 270 g/m
3
pH 4.5
PRIMULA & PANSY
POT CHRYSANTHEMUM
GERANIUM & FUCHSIA
A low-stress growing medium for an integrated approach to
disease control. Reduced pH minimises the risk of iron chlorosis.
N 108, P
2
O
5
198,
K
2
O 297 g/m
3
pH 5.5
A free-draining growing medium which provides excellent crop
establishment under low winter light and thereby encourages
earlier flowering.
N 144, P
2
O
5
168,
K
2
O 288 g/m
3
pH 6.0
Optimum air porosity and low nutrient levels encourage early
take-off and reduced cropping times.
N 120, P
2
O
5
212,
K
2
O 321 g/m
3
pH 6.0
Note: The composition of substrates may vary due to external environmental factors.
POT PLANT COMPOSTS cont’d
TREE PLANTING COMPOSTS
TREE & SHRUB PLANTING COMPOST
TREE START
A peat-based compost prepared from rich dark peat with high
buffer capacity and high moisture retention for use when
planting out into the ground.
N 210, P
2
O
5
210,
K
2
O 270 g/m
3
pH 6.0
A peat-free composted bark mix designed to overcome the
problem of nitrogen lock-up often associated with wood and bark
products. Can also be used for mulching and soil conditioning.
N 182, P
2
O
5
182,
K
2
O 234 g/m
3
pH 6.0 - 7.0
CROPPING MODULES
STRAWBERRY MODULE
PEAT STRAWBERRY MODULE
TOMATO MODULE
A peat-perlite growing medium of open structure and low
nutrient level to encourage rapid root establishment.
N 48 P
2
O
5
128,
K
2
O 177 g/m
3
pH 6.0
A pure peat strawberry module with added nutrients.
N 48 P
2
O
5
128,
K
2
O 177 g/m
3
pH 6.0
A peat-perlite growing medium of open structure and higher
nutrient levels for more vigorous salad crops.
N 180 P
2
O
5
210,
K
2
O 360 g/m
3
pH 6.0
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