Elixir Garden Supplies


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Bumper Crop Onion, Leek & Garlic Food | 5-19-10+3Mg | 25kg treats up to 700m² applied at 35gsm


  • Amazing Value! When applied at 35gsm a 25kg bag will cover up to 700m²
  • All season fertiliser perfectly suited to bulb root crops such as Onions, Leeks, Shallots and Garlic.
  • High Phosphorus content will aid the development of bulbs and root growth.
  • Potassium content helps prevent disease, whilst nitrogen will encourage strong yields of crops.
  • Also highly effective as a base fertiliser/top dressing for Trees, Shrubs and Hedges as well as when re-seeding Turf.
  • N.P.K – 5-19-10+3Mg

Product Description


Bumper Crop Onion, Leek & Garlic Food | High Phosphorus Fertiliser | 5-19-10+3Mg | 500g – 25kg

Bumper Crop Onion, Leek & Garlic Food is a granular compound fertiliser that provides essential nutrients and minerals in a soluble form. It can be applied at any time during the growing season, but is best applied in the spring months.

It is the perfect slow-release fertiliser for crops such as onions, shallots, garlic and leeks, as well as many typical flowering plants such as tulips and daffodils.

The high Phosphorus content aids the development of the bulb and strengthens stems, whilst Potassium will help prevent disease. The steady supply of Nitrogen will help form large bulbs and bumper crops!

Mineral Analysis

  • Total Nitrogen (N) 5.0 %
  • Total Phosphorus Pentoxide (P2O5) 19.0 %  8.1 % Phosphorus (P)
  • Phosphorus Pentoxide soluble in Water 17.6 %  7.5 % Phosphorus (P)
  • Phosphorus Pentoxide insoluble in Water 1.4 %  0.6 % Phosphorus (P)
  • Total Potassium Oxide (K2O) 10.0 %  8.3% Potassium (K)
  • Magnesium (Mg) 3.0%

Recommended Application Rates:

Shrubs (Including Ericaceous), Roses and Ground Cover, Herbaceous Annuals and Perennials, Seed Beds and Lining Out.

Plant / Tree Type Base / Top Dressing Per Square Meter
Onion Base / Top Dressing 70-100g / 35-70g Per Square Meter
Leek Base / Top Dressing 70-100g / 35-70g Per Square Meter
Garlic Base / Top Dressing 70-100g / 35-70g Per Square Meter
Shallot Base / Top Dressing 70-100g / 35-70g Per Square Meter
Tree / Shrub Base / Top Dressing 70g Per Square Meter
Pit Planting Base / Top Dressing 70-140g Per Square Meter
Young Trees Base / Top Dressing 70-140g Per Square Meter
Mature Trees Base / Top Dressing 100-140g Per Square Meter
Turf Grasses Base Dressing Prior to Reseeding 100g Per Square Meter
Reclamation Base / Top Dressing 100g Per Square Meter

Additional information

Weight N/A


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