GS4 - Legume and Herb Rich Swards
Grass, legume and herb mixtures to comply with Countryside Stewardship GS4 - Legume and Herb Rich Swards. Buy herbal ley mixtures online, apply for a trade account (we review all applications within one working day) or get in touch to place an order through your buying group. You can also request a catalogue to view our full range.

Boston Seeds are proud to supply the EnviroSeeds range for biodiversity and sustainable farming.
Use this premium mixture for CIPM2 (2024/2025) and IPM2 (2023) Sustainable Farming Incentive, and Countryside Stewardship AB8 (Flower-Rich Margins and Plots), to provide a nectar-rich habitat for butterflies, insects, birds & small mammals. This mix can be sown on its own or with other wildflower mixtures.
- Use for static implementation of CIPM2 and IPM2 Flower-Rich Margin schemes
- Sow in spring or autumn for optimum establishment
- Suitable for Sustainable Farming Incentive (SFI): CIPM2 IPM2
- Suitable for Countryside Stewardship AB8 GS4 GS8 GS14 SW1 SW2 SW3 SW4 SW7 SW8 WT1 WT2
Contains: 30% Strong Creeping Red Fescue, 10.75% Chewing's Fescue, 10% Hard Fescue, 10% Timothy, 10% Slender Creeping Red Fescue, 6% Smooth Stalk Meadow Grass, 4.5% Red Clover, 4.5% Sainfoin, 4% Sheep's Fescue, 3% Alsike Clover, 2% Ribwort Plantain, 1.5% Birdsfoot Trefoil, 0.75% Yarrow, 0.5% Meadow Foxtail, 0.5% Selfheal, 0.5% Oxeye Daisy, 0.5% Sheep's Sorrel, 0.5% Common Knapweed, 0.5% Wild Carrot - Sowing rate: 20kg/ha.

Boston Seeds are proud to supply the EnviroSeeds range for biodiversity and sustainable farming.
Use this mixture for CSAM3 (2024/2025) and SAM3 (2023) Sustainable Farming Incentive, and Countryside Stewardship GS4 (Herbal Leys), to establish a mixed sward of grasses, legumes, herbs and wildflowers.
- A vigorous sward with abundant legumes and herbs, suitable for productive cattle and sheep
- Provides habitat and food for invertebrates and crop pollinators
- Improves soil structure and water infiltration.
- Use for static implementation of CSAM3 and SAM3 Herbal Ley schemes
- Sow in spring or autumn for optimum establishment
- Suitable for Sustainable Farming Incentive (SFI): CSAM3 SAM3
- Suitable for Countryside Stewardship (CSS): GS1 GS4 GS8 GS14 SW1 SW2 SW3 SW4 SW7 SW8 WT1 WT2
- Contains: 40% Perennial Ryegrass, 20% Strong Creeping Red Fescue, 10% Sainfoin, 8% Meadow Fescue, 7% Timothy, 5% Smooth Stalked Meadow Grass, 5% White Clover, 2% Alsike Clover, 1.25% Lucerne, 0.5% Sheep's Burnet, 0.25% Sheep's Parsley, 0.25% Plantain, 0.25% Yarrow, 0.25% Black Medick, 0.25% Birdsfoot Trefoil
- Sowing rate: 20kg/ha. Pack size: 20kg


Boston Seeds are proud to supply the EnviroSeeds range for biodiversity and sustainable farming.
Use this overseeding mixture for CSAM3 (2024/2025) and SAM3 (2023) Sustainable Farming Incentive, and Countryside Stewardship GS4 (Herbal Leys), to establish a mixed sward of legumes and herbs into an existing grass sward.
- Using our Overseeding Herbal Ley mix to comply with SAM3 and GS4, the existing grass swards must have 5 grass species in
- If you have a sward with less than 5 grass species in, we recommend sowing our CSS2 Herbal Ley or CSS2/P Premium Herbal Ley
- Use for static implementation of CSAM3 and SAM3 Herbal Ley schemes
- Sow in spring or autumn for optimum establishment
- Suitable for Sustainable Farming Incentive (SFI): CSAM3 SAM3
- Suitable for Countryside Stewardship (CSS): GS1 GS4 GS8 GS14 SW1 SW2 SW3 SW4 SW7 SW8 WT1 WT2
- Contains: 50% Sainfoin, 25% Red Clover, 10% Alsike Clover, 8% Perennial Chicory, 2% Sheep's Parsley, 2% White Clover, 2% Ribwort Plantain, 0.5% Yarrow, 0.5% Black Medick
- Sowing rate: 10kg/ha. Pack size: 20kg


Boston Seeds are proud to supply the EnviroSeeds range for biodiversity and sustainable farming.
Use this premium herbal mixture for CSAM3 (2024/2025) and SAM3 (2023) Sustainable Farming Incentive, and Countryside Stewardship GS4 (Herbal Leys), to establish a premium mix of legumes, herbs and grasses to improve soil structure and fertility.
- Create a diverse sward with a range of herbs and legumes in, suitable for productive grazing
- Produces a high volume of forage whilst improving the soil
- Use for static implementation of CSAM3 and SAM3 Herbal Ley schemes
- Sow in spring or autumn for optimum establishment
- Suitable for Sustainable Farming Incentive (SFI): CSAM3 SAM3
- Suitable for Countryside Stewardship (CSS): GS1 GS4 GS8 GS14 SW1 SW2 SW3 SW4 SW7 SW8 WT1 WT2
- Contains: 30% Perennial Ryegrass, 15% Strong Creeping Red Fescue, 10% Meadow Fescue, 6% Sainfoin, 5% Festulolium, 5% Timothy, 5% Smooth Stalked Meadow Grass, 5% Red Clover, 3% Vetch, 3% White Clover, 2.5% Alsike Clover, 2% Sheep's Burnet, 2% Sheep's Parsley, 2% Chicory, 2% Lucerne, 1% Ribwort Plantain, 1% Birdsfoot Trefoil, 0.5% Yarrow
- Sowing rate: 20kg/ha. Pack size: 20kg
Use this premium overseeding mixture for CSAM3 (2024/2025) and SAM3 (2023) Sustainable Farming Incentive, and Countryside Stewardship GS4 (Herbal Leys), to establish diverse sward of legumes and herbs into an existing grass ley.
- Suitable for sheep grazing due to the absence of red clover
- Mixed blend of legumes and herbs to provide diversity and improve palatability
- Using our Premium Overseeding Herbal Ley mix to comply with SAM3 and GS4, the existing grass swards must have 5 grass species in
- If you have a sward with less than 5 grass species in, we recommend sowing our CSS2 Herbal Ley or CSS2/P Premium Herbal Ley
- Use for static implementation of CSAM3 and SAM3 Herbal Ley schemes
- Sow in spring or autumn for optimum establishment
- Suitable for Sustainable Farming Incentive (SFI): CSAM3 SAM3
- Suitable for Countryside Stewardship (CSS): GS1 GS4 GS8 GS14 SW1 SW2 SW3 SW4 SW7 SW8 WT1 WT2
- Contains: 17.5% Vetch, 17% Sainfoin, 10% White Clover, 10% Alsike Clover, 9% Lucerne, 8% Sheep's Parsley, 8% Birdsfoot Trefoil, 8% Sheep's Burnet, 7% Black Medick, 5% Ribwort Plantain, 0.5% Yarrow
- Sowing rate: 10kg/ha. Pack size: 20kg
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