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Grass Seed

Regular reseeding and proper grass seed variety selection are critically important for successful grass swards. Livestock farmers have made great strides in improving the management and utilisation of grass and clover swards and have adapted to extending the grazing season earlier in spring and later in autumn.

At Denn Feeds, we recognise reseeding as one of the most cost-effective investments that can be made. Quality grass swards allow for increased grass utilisation, higher animal output and more efficient use of fertiliser.

Denn Feeds Grass Seed Mixtures

Our grass seed mixtures contain all the top varieties from the Teagasc Pasture Profit Index (PPI). There is no single variety that fits every situation, therefore careful planning is needed before deciding on a mixture, i.e., whether it is planned for grazing, intensive grazing, late cutting etc. It is counterproductive to incur the cost of reseeding and not sow the very best varieties. We endeavour to make the mixtures from grass seed varieties that complement one another. For example, our late diploid selection scores high for ground cover so it complements the tetraploid varieties which have an open growth habit but are very high in total yield and high dry matter digestibility (high sugars).

Denn Grass Seeds

Our Grass Seed Range includes:


This mixture consists of late heading varieties of perennial ryegrass, designed predominantly for grazing. Permanent Grazing is a blend of high PPI diploids and tetraploids. The mixture consists of 60% diploid perennial ryegrass, 35% tetraploid perennial ryegrass and 5% white clover.


This mixture is formulated with varieties from the mid-season heading group of perennial ryegrasses. This blend has been formulated for the use of grazing in conjunction with one cut of silage. The heading date for this mix is the end of May. This mixture should be cut in late May/early June to obtain optimum D-Value.


For intensive silage cutting, this is the very best mixture that can be formulated. It consists of varieties from the intermediate (mid-season) group of perennial ryegrasses. Designed for situations where there is more than one cut of silage being taken off the paddock.


This mixture consists of late heading diploid perennial ryegrass. The group of varieties are the most persistent and give the best ground cover which helps prevent poaching. This mix heads out in early June, giving the highest PPI value for total yield, persistency, ground cover and D–Value and is suitable to wetter ground.

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