
Onion and Bulb Fertiliser 1.5kg (twin pack)
- Boosts bulb and onion growth
- High-quality nutrients for stronger stems and disease resistance
- Slow-release fertiliser for home-grown flavour

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Onion and Bulb Fertiliser 1.5kg (twin pack)
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Specially formulated to support autumn and spring-planted bulbs, corms, onions, shallots, and garlic. This concentrated, slow-release fertiliser with an N:P:K ratio of 12:11:18 is enriched with magnesium, sulphur, and trace elements including boron, iron, manganese, and zinc.
High in phosphorus to aid bulb development and stem strength, and potassium to improve pest and disease resistance as well as drought tolerance. Perfect for onions, garlic, shallots, and flowering bulbs like alliums, tulips, narcissi, lilies, and gladioli.
Supplied in a handy, resealable granulated bag for safe, clean, and convenient use.
Recommended Application Rate: Apply 60g per square metre before planting, mixing well into the root zone. Can also be used as a top dressing later in the season. Shake well before use.
Pack Coverage: 25m²
Precautions: Do not exceed recommended application rates.
Storage: Store in a cool, dry place, safely away from children, pets, and foodstuffs. Wash hands after handling.
Analysis
Compound Fertiliser N:P:K 12:11:18
Total Nitrogen (N) 12%
Total Phosphorus Pentoxide (P?O?) 11%
Total Potassium Oxide (K?O) 18%
Sulphur (SO?) 20%
Magnesium Oxide (MgO) 2.7%
Boron (B) 0.015%
Zinc (Zn) 0.020%
Manganese (Mn) 0.02%
Iron (Fe) 0.20%
Key information
Hassle-Free Delivery
Looking for a hassle-free way to get your gardening essentials? Look no further than DT Brown! We know how important your garden is to you, and want you to be able to stock up on everything you need. All our delivery charges will automatically appear in your shopping basket.
Seed Only Orders
£2.95 delivery charge
Non-Seed Items
£5.45 delivery charge
Combined Orders
£7.95 delivery charge (e.g. seeds and plants)

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