10 Best Garden Fertilizers 2025 in the UK

Levington Tomorite Liquid Tomato Food is a liquid concentrate designed especially for tomatoes and other vegetables. Its NPK ratio of 4-3-8 means it has a higher amount of potassium, which supports fruit development and better yields. This makes it ideal for gardeners looking to boost the quantity and taste of their tomatoes. The product is synthetic but enriched with seaweed extract, adding some natural micronutrients that encourage plant health.

One notable advantage is that it claims to increase harvest yield by 50%, a benefit that many users confirm, reflected in its high rating and popularity. As a liquid concentrate, it is easy to mix and apply, allowing for precise feeding compared to granular fertilizers. This makes it a convenient and effective feeding method for home gardeners.

On the downside, it does not specify all micronutrients included, so it might lack some trace elements typically found in organic fertilizers. Additionally, being synthetic, it may not suit those who prefer fully organic gardening. The 1-liter bottle covers a full garden area, adding convenience but requiring correct mixing to avoid overfeeding. For those growing mainly tomatoes or similar vegetables and seeking a reliable, easy-to-use liquid fertilizer with proven results, Levington Tomorite is a strong choice.

Miracle-Gro All Purpose Water Soluble Plant Food is a popular choice among gardeners for its ability to significantly enhance plant growth. This synthetic fertilizer is renowned for doubling the size of plants compared to those not fed with it, making it ideal for gardeners aiming for lush and vibrant plants. The blend includes essential micronutrients such as boron, copper, iron, manganese, molybdenum, and zinc, which play a crucial role in boosting plant health and development.

This fertilizer is easy to use—simply dissolve the required amount in water and apply with a watering can or through a Miracle-Gro hose-end feeder. This water-soluble form ensures nutrients are delivered efficiently and effectively. It's recommended to apply every two weeks, from March to September, for the best results.

Some potential drawbacks include its synthetic nature, which may not appeal to those seeking organic gardening solutions. The repeated application could be seen as a disadvantage for those looking for a low-maintenance option. Additionally, while Miracle-Gro’s effectiveness is well-documented, overuse could lead to nutrient runoff, affecting the environment.

Miracle-Gro All Purpose Water Soluble Plant Food is a top-tier option for those who prioritize rapid and noticeable plant growth and are comfortable with a synthetic fertilizer. It suits gardeners who are eager for impressive displays and are willing to adhere to a regular feeding schedule.

The Miracle-Gro EverGreen Fast Green Spray & Feed is a liquid lawn food that promises quick results, greening lawns within 24 hours under normal growing conditions. This ready-to-use product is designed for convenience, as it connects directly to a hose, allowing you to feed and water your lawn simultaneously. This makes it user-friendly for those looking for a hassle-free lawn care solution. With a coverage capacity of up to 100 square meters per liter, it is suitable for small to medium-sized lawns.

One of the strengths of this fertilizer is its fast-acting nature, which could be particularly appealing for those looking to see quick improvements in their lawn's appearance. The product is well-regarded, with a customer rating of 4.4 out of 5 stars from a large number of reviews, indicating general satisfaction among users.

This product is best suited for individuals who prioritize convenience and immediate aesthetic results. It might not be ideal for those with larger areas to cover or those who prefer a more tailored approach to lawn nourishment, focusing on specific nutrient needs or organic methods.