CANNA is one of the world's most respected horticultural brands, offering premium nutrients, additives, growing media, and cultivation solutions for soil, coco, hydroponic, and organic growing systems. Backed by decades of scientific research, CANNA products are trusted by hobby and professional growers alike for delivering healthier plants, faster growth, and exceptional results.
CANNA Start is a specialist one-part nutrient developed for seedlings, rooted cuttings, and young plants. Providing the perfect balance of macro and micronutrients, it encourages strong root development, healthy early growth, and successful propagation across a wide range of growing media.
CANNA CalMag Agent is a highly concentrated calcium and magnesium supplement designed to improve water quality, optimise nutrient uptake, and prevent common deficiencies. Ideal for soft water, reverse osmosis water, and all growing systems, it helps maintain strong, healthy plant growth throughout the growing cycle.
IN STORE PRICE - £17
CANNA Coco Professional Plus is a premium-quality coco coir growing medium designed to deliver exceptional root development, vigorous growth, and superior crop performance. Fully buffered and ready to use, it provides the perfect balance of air and moisture for healthy plants throughout the entire growing cycle.
CANNA Terra Seed Mix is a high-quality propagation medium specially developed for germinating seeds and rooting cuttings. Its fine, uniform structure provides the ideal balance of moisture, aeration, and stability to encourage rapid root development and healthy early plant growth.
IN STORE PRICE: 20L - £11, 45L - £20
CANNA Aqua Clay Pebbles are premium expanded clay pellets designed for hydroponic cultivation. Offering exceptional drainage, high oxygen availability, and excellent root support, they create the ideal environment for healthy root development and vigorous plant growth.
Fast-acting hydroponic nutrient for recirculating systems. Encourages strong roots and vigorous vegetative growth.
Professional two-part coco nutrient for rapid growth, strong roots and heavy harvests. Designed specifically for coco coir cultivation.
IN STORE PRICE - £18
CANNA Terra Professional Plus is a premium-quality potting soil developed for growers seeking exceptional root development, vigorous plant growth, and outstanding harvest potential. Made from carefully selected organic ingredients, this professional substrate delivers the ideal balance of air, moisture retention, and drainage for superior cultivation results.
CANNA Terra Vega is a professional soil nutrient designed to support vigorous vegetative growth, healthy root development, and strong plant structure before flowering begins.
CANNA Mono Nitrogen is a highly concentrated nitrogen supplement designed to support vigorous vegetative growth, healthy green foliage, and strong plant development. Ideal for correcting nitrogen deficiencies or boosting growth, it provides a readily available source of one of the most important plant nutrients.
CANNA Flush is a specialist treatment designed to remove excess nutrient salts and fertiliser build-up from growing media and plants, helping maintain healthy root zones and cleaner final harvests.
CANNA Aqua Flores A&B is a high-performance flowering nutrient developed for recirculating hydroponic systems, supporting exceptional bloom development and harvest quality.
For over three decades, CANNA has been at the forefront of plant nutrition and cultivation technology, developing innovative products designed to help growers achieve outstanding results. Renowned for its commitment to research, quality, and consistency, CANNA has become one of the most trusted names in horticulture, providing complete growing solutions for every stage of the plant lifecycle.
Unlike many nutrient manufacturers, CANNA develops complete cultivation systems rather than individual products. From professional-grade nutrients and additives to premium growing media, every product is carefully designed to work in harmony, helping growers maximise plant health, growth rates, and harvest potential.
CANNA offers specialist nutrient ranges tailored to different growing methods, ensuring plants receive precisely balanced nutrition regardless of the cultivation environment. Whether growing in soil, coco coir, hydroponics, or organic systems, CANNA provides proven feeding programmes trusted by growers worldwide.
Alongside its nutrient ranges, CANNA produces some of the industry's most popular additives and stimulants. Products such as Rhizotonic, CANNAZYM, CANNABOOST Accelerator, PK 13/14, CANNA Cure, and CANNA Silica are designed to support root development, plant health, flowering performance, and yield enhancement throughout the growing cycle.
CANNA is also recognised for its premium growing media, including Terra Professional Plus soil, Coco Professional Plus, Terra Seed Mix, Aqua Clay Pebbles, and COGr slabs. These carefully engineered substrates provide ideal root-zone conditions, helping plants develop stronger root systems and healthier growth.
Every CANNA product is developed through extensive scientific testing and practical cultivation trials. This dedication to research ensures growers receive reliable, consistent products that deliver exceptional performance crop after crop.
Whether you're setting up your first grow tent, managing a greenhouse, or operating a professional cultivation facility, CANNA offers easy-to-use feeding schedules and complete nutrient programmes suitable for all experience levels.
Discover premium nutrients, additives, boosters, substrates, and propagation products from CANNA at High Grade Hydroponics. Whether you're aiming for faster growth, stronger roots, improved flowering, or higher yields, CANNA provides the professional-grade solutions needed to help your plants reach their full potential.
