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.
IN STORE PRICE - £14
CANNA Coco Natural is a high-quality natural coco coir growing medium that provides an ideal balance of moisture retention and aeration. Lightweight, reusable, and easy to work with, it supports vigorous root development and gives growers excellent control over feeding and nutrient management.
CANNA PK 13/14 is a highly concentrated flowering booster formulated to support maximum flower development, improve crop quality, and increase harvest potential. Suitable for all growing media, it provides an optimised blend of phosphorus and potassium exactly when plants need it most during bloom.
CANNA Boost Accelerator is a premium flowering stimulator designed to increase flower production, improve crop quality, and maximise yields. Suitable for use in soil, coco, and hydroponic systems, it helps plants achieve their full flowering potential.
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 Coco Starter Kit is a complete nutrient and additive package designed specifically for coco coir cultivation. Containing everything needed to support plants from vegetative growth through to harvest, this easy-to-use kit helps growers achieve healthy growth, vigorous flowering, and impressive yields using the proven CANNA Coco system.
CANNA Mono Iron is a highly available iron supplement designed to support chlorophyll production, healthy green growth, and optimal plant development. Ideal for correcting iron deficiencies and enhancing overall plant vitality in soil, coco, and hydroponic growing systems.
CANNA COGr Vega A&B is a professional two-part vegetative nutrient specifically developed for plants grown in CANNA COGr boards. Enriched with humic and fulvic acids, it promotes strong root development, vigorous growth, and exceptional nutrient uptake during the critical vegetative stage.
CANNA Mono Calcium is a highly concentrated calcium supplement designed to support strong plant development, improve cell wall strength, and optimise nutrient transport throughout the plant. Suitable for soil, coco, and hydroponic systems, it helps prevent calcium deficiencies whilst promoting healthier, more productive crops.
CANNA Mono Magnesium is a highly concentrated magnesium supplement designed to support healthy chlorophyll production, improve photosynthesis, and promote vigorous plant growth. Suitable for soil, coco, and hydroponic systems, it helps prevent and correct magnesium deficiencies whilst supporting healthy development throughout the entire growing cycle.
CANNA Terra Starter Kit is a complete soil nutrient programme designed to take plants from rooted cuttings and seedlings through to harvest. Featuring CANNA's most popular Terra nutrients and additives, it provides everything needed to achieve healthy growth, abundant flowering, and impressive yields in soil-based growing systems.
CANNA Silica is an advanced silicon supplement formulated to strengthen plant structure, improve resistance to environmental stress, and support healthier growth throughout the growing cycle. Suitable for soil, coco, and hydroponic systems, it helps plants develop stronger stems, tougher leaves, and improved overall performance.
CANNAZYM is a premium enzyme additive designed to break down dead root material, stimulate beneficial micro-organisms, and improve root zone health. Suitable for soil, coco, and hydroponic systems, it helps increase nutrient availability, support vigorous root development, and maintain cleaner growing environments throughout the cultivation cycle.
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.
