Best Nitrogen Flower Fertilisers of 2026
* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
Nitrogen flower fertilisers are a type of plant food designed to provide essential nutrients to flowers and plants. These fertilisers contain high levels of nitrogen, which is essential for healthy plant growth and helps to promote strong stems, lush foliage, and vibrant blooms. Nitrogen flower fertilisers come in various forms, including granules, liquid concentrates, and slow-release capsules, and are suitable for use in both indoor and outdoor gardening. With regular use, these fertilisers can help to improve plant health and promote more abundant and long-lasting blooms.
At a Glance: Our Top Picks
#TOP 1
9.8
#TOP 2
9.7
#TOP 3
9.5
Top 10 Nitrogen Flower Fertilisers
Organic Baby Bio Liquid Houseplant Food 175ml
The Baby Bio Houseplant Food is designed to enhance the health and appearance of your indoor plants. With just 5-10 drops mixed into half a litre of water, you can easily nourish your houseplants, promoting lush green leaves and vibrant flowers. Its balanced formula ensures that your plants receive essential nutrients for bigger blooms and strong roots. This product is suitable for all houseplants, making it a convenient choice for any plant lover looking to brighten their home.
Westland Hydrangea High Performance Liquid Plant Food 1 Litre Green
Premium Liquid Money Tree Plant Fertilizer
Go Garden MAP Mono Ammonium Phosphate NPK 12-61-00 Fertilizer
Elixir Gardens Soluble Ericaceous Fertiliser/Feed
Elixir Gardens Soluble Ericaceous Fertiliser/Feed
Elixir Gardens Blueberry Fertilizer for Acid-Loving Plants
The Elixir Gardens Blueberry Fertilizer is designed to provide a complete soluble NPK feed for your ericaceous plants. This means that you can maximise your yield with the balanced range of micro and macro nutrients it contains. With its extremely potent formula, you only need 0.5g per litre of water, allowing you to create up to 2000 litres of liquid feed, which makes it cost-effective. Additionally, it dissolves quickly in water, producing an acidic solution that boosts growth and helps adjust irrigation water pH.
Vitax Organic Liquid Seaweed for Plants
Vitax Liquid Seaweed is a concentrated, all-natural nutrient solution designed to support healthy growth in your garden. It can be used as a liquid root drench or foliar spray, making it versatile for flowers, fruit, and vegetables. Regular application not only promotes larger, tastier crops but also enhances the resilience of your plants against environmental stress and pests. With easy application methods, it simplifies the process of maintaining the health of your garden plants.
Premium Liquid Fiddle Leaf FIG Plant Fertilizer
Gro-Sure 6 Month Slow Release Fertiliser
The Gro-Sure Plant Food offers an effortless solution for nourishing your plants. With just one application, you will provide an initial burst of energy, ensuring your plants get the boost they need right away. This product then supplies continuous feeding for up to six months, giving your plants the essential nutrients throughout the growing season. It is versatile enough for all non-ericaceous plants, making it ideal for pots, containers, beds, borders, and hanging baskets. You can enjoy healthy and thriving plants without constant reapplication.
Frequently Asked Questions (FAQs)
1. Which Fertilisers are high in nitrogen?
Comfrey, nettles and liquid from wormeries all make excellent liquid fertilisers. Comfrey is potash rich, so is useful for flowering and fruiting plants and vegetables; nettles are high in nitrogen, especially in spring, and the liquor from a wormery is a good general feed.
2. Is high nitrogen fertilizer good for flowers?
High Nitrogen in Soil Too much nitrogen present in the soil can be just as harmful to plants as too little. When there is high nitrogen in soil, plants may not produce flowers or fruit. As with nitrogen deficiency in plants, the leaves may turn yellow and drop.
3. Does nitrogen encourage flowering?
Nitrogen is an integral part of chlorophyll manufacture through photosynthesis, stimulates green leafy growth and promotes fruit and seed development; Phosphorus supports the transfer of energy throughout the plant for root development and flowering; Potassium is essential for photosynthesis and regulates many ...
During our nitrogen flower fertiliser research, we found 56 nitrogen flower fertiliser products and shortlisted 10 quality products. We collected and analyzed 115,857 customer reviews through our big data system to write the nitrogen flower fertilisers list. We found that most customers choose nitrogen flower fertilisers with an average price of £6.65.
The nitrogen flower fertilisers are available for purchase. We have researched hundreds of brands and picked the top brands of nitrogen flower fertilisers, including Baby Bio, Westland, GardenNova, Go Garden, Elixir Gardens.
Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.