Sinclair McGill Grass Seed Mixtures
COLOSSAL® SILAGE – Short Term MixtureCOLOSSAL® REDPOLYCROP® – Dual Purpose MixturePROSPER® – Dual Purpose MixtureTURBO® – Mainly GrazingCASTLEHILL® – Dual Purpose
Useful Information About Seeds

COLOSSAL® SILAGE:
Mainly Cutting
- Protein rich 3 year ley.
- Close ‘D’ Value cutting dates make this a very easy mixture to manage.
- The high sugars and high fibres stimulate rumen activity and maximise conversion to milk.
- COLOSSAL SILAGE outyields Perennial Ryegrass based leys in the autumn.
- Includes the new generation of Italian Ryegrass varieties, with improved digestibility.
Suggested seed rate:
10-12kg/acre (25-30kg/ha)
10-12kg/acre (25-30kg/ha)
Guide cutting height:
10cm (4 inches)
Treated with


66%
ITALIAN RYEGRASS
ITALIAN RYEGRASS
17%
HYBRID RYEGRASS (TET)
HYBRID RYEGRASS (TET)
17%
ITALIAN RYEGRASS (TET)
ITALIAN RYEGRASS (TET)



COLOSSAL® RED:
Mainly Cutting
- Protein rich 3 year ley.
- A powerful combination of high yielding Tetraploid Hybrid Ryegrasses and our Red Admiral Red Clover blend.
- In a 3 year farm scale trial in Devon, Red Admiral blend gave consistently higher yields over all cuts in all 3 years, than single varieties.
- Predominantly a cutting mixture but it can also be grazed by lambs and ewes in the late summer.
Suggested seed rate:
10-12kg/acre (25-30kg/ha)
10-12kg/acre (25-30kg/ha)
Guide cutting height:
10cm (4 inches)
Treated with


30%
RED CLOVER BLEND
RED CLOVER BLEND
70%
HYBRID RYEGRASS (TET)
HYBRID RYEGRASS (TET)



POLYCROP®:
Dual Purpose
- High sugar mixture.
- High Tetraploid content (80%) makes Polycrop® very palatable and extremely productive.
- Expect improved liveweight gain in beef and lambs.
- Multiple cutting potential with excellent aftermath grazing.
- True dual purpose mixture with a productive lifespan of at least 3 years.
- Includes Late Tetraploid Ryegrasses to enhance grazing potential.
- Also available with White Clover.
Suggested seed rate:
13-18kg/acre (32-45kg/ha)
Guide to first cut: 20th May (70D)
26-31st May (67D)
13-18kg/acre (32-45kg/ha)
Guide to first cut: 20th May (70D)
26-31st May (67D)
Guide cutting height:
10cm (4 inches)
Treated with




47%
HYBRID RYEGRASS (TET)
HYBRID RYEGRASS (TET)
20%
LATE PERENNIAL RYEGRASS (TET)
LATE PERENNIAL RYEGRASS (TET)
13%
MID SEASON PERENNIAL RYEGRASS
MID SEASON PERENNIAL RYEGRASS
10%
MID SEASON PERENNIAL RYEGRASS (TET)
MID SEASON PERENNIAL RYEGRASS (TET)
10%
LATE PERENNIAL RYEGRASS
LATE PERENNIAL RYEGRASS
PROSPER®:
Dual Purpose | England & Wales
- Balanced nutritional formulation to produce more milk and meat.
- Two cuts of top quality silage plus palatable grazing.
- The perfect mixture for beef and dairy units.
Suggested seed rate:
13-16kg/acre (32-40kg/ha)
13-16kg/acre (32-40kg/ha)
Guide cutting height:
7.5cm (3 inches)
Treated with


17%
MID SEASON PERENNIAL RYEGRASS
MID SEASON PERENNIAL RYEGRASS
41%
MID SEASON PERENNIAL RYEGRASS (TET)
MID SEASON PERENNIAL RYEGRASS (TET)
16%
LATE PERENNIAL RYEGRASS
LATE PERENNIAL RYEGRASS
21%
LATE PERENNIAL RYEGRASS (TET)
LATE PERENNIAL RYEGRASS (TET)
5%
WHITE CLOVER BLEND
WHITE CLOVER BLEND



TURBO®:
Mainly Grazing
- New formulation using LG Animal Nutrition® to optimise production of milk and meat.
- Fast growing grazing mixture with potential for one cut of top quality silage.
- Tweed White Clover Blend fixes atmospheric nitrogen and provides minerals and protein.
- Grazing TURBO® can reduce costs of milk production.
- Suitable for both paddock grazing systems and set stocking.
Suggested seed rate:
13-18kg/acre (32-45kg/ha)
13-18kg/acre (32-45kg/ha)
Guide to first cut: 20th May (70D)
26-31st May (67D)
Guide cutting height:
10cm (4 inches)
Treated with


7%
MID SEASON PERENNIAL RYEGRASS
MID SEASON PERENNIAL RYEGRASS
6%
MID SEASON PERENNIAL RYEGRASS (TET)
MID SEASON PERENNIAL RYEGRASS (TET)
30%
LATE PERENNIAL RYEGRASS
LATE PERENNIAL RYEGRASS
44%
LATE PERENNIAL RYEGRASS (TET)
LATE PERENNIAL RYEGRASS (TET)
7%
MATRIX ENHANCED® RYEGRASS
MATRIX ENHANCED® RYEGRASS
6%
WHITE CLOVER BLEND
WHITE CLOVER BLEND



CASTLEHILL®:
Dual purpose | England & Wales
Castlehill® is the long term ley with rock solid performance.
- Suitable for most soil types and climates.
- Excellent feed for all classes of livestock.
- Superb disease resistance.
- Delivers the performance of a medium term ley, combined with the persistency of a long term ley.
- Reliable top quality grazing and cutting.
- Invest in Castlehill® for the ultimate long term productivity mixture.
Suggested seed rate:
13-18 kg/acre (33-45 kg/ha)
13-18 kg/acre (33-45 kg/ha)
Guide cutting height:
7.5cm (3 inches)
Treated with




12%
MID SEASON PERENNIAL RYEGRASS
MID SEASON PERENNIAL RYEGRASS
23%
MID SEASON PERENNIAL RYEGRASS (TET)
MID SEASON PERENNIAL RYEGRASS (TET)
20%
LATE PERENNIAL RYEGRASS
LATE PERENNIAL RYEGRASS
24%
LATE PERENNIAL RYEGRASS (TET)
LATE PERENNIAL RYEGRASS (TET)
16%
TIMOTHY
TIMOTHY
5%
WHITE CLOVER BLEND
WHITE CLOVER BLEND