Emerald Harvest

Emerald Harvest have curated their exceptional base nutrients and supplements from the ground up for high yield hydroponic gardens.

Emerald Harvest sharing a proven feeding program, a compact line of products ensures simple, easy success in your garden.

These Emerald Harvest products have been curated for commercial use or at home growers. The best quality base nutrients for success with your crops. 

9 products

  • EMERALD HARVEST CAL-MAG
    EMERALD HARVEST

    EMERALD HARVEST CAL-MAG

    £19.99
    £19.99

    CAL-MAG by EMERHALD HARVEST The use of CAL-MAG liquid plant food supplement will give many added benefits to your plant health and well being such as:...

    Size: 1 US QT - 0.95LTR
The solution for powerful blooms and flavourful harvests

Emerald Harvest

Emerald Harvest is the Californian expert in premium plant nutrition, trusted by growers for producing high-quality base nutrients, bloom boosters, root supplements, and plant additives designed to deliver strong growth, powerful flowering, and flavourful harvests. Built around scientifically engineered formulas, premium raw materials, and carefully balanced nutrient ratios, Emerald Harvest products are developed to help growers achieve healthier roots, improved plant structure, abundant blooms, and reliable results across hydroponic, coco, and soil growing systems.

Emerald Harvest FAQs

Emerald Harvest specialises in plant nutrients, supplements, bloom boosters, and additives for growers looking to support strong plant growth and productive flowering. Their range includes Cali Pro Grow A&B, Cali Pro Bloom A&B, Grow, Bloom, Micro, King Kola, Honey Chome, Root Wizard, Emerald Goddess, Cal-Mag, and Sturdy Stalk.

Emerald Harvest products are suitable for a range of growing methods, including hydroponics, coco, soil, hand-watering, and hydroponic systems. Retailers list the range as suitable for different grow media and feeding programmes, giving growers flexibility across indoor cultivation setups.

Emerald Harvest focuses on premium ingredients, scientifically engineered formulations, carefully balanced ratios, and low heavy metal content. Their Cali Pro information highlights precise nutrient concentrations designed to work alongside their supplements, while products such as King Kola are engineered to support budding, flowering, ripening, and heavier harvests.

Yes. Emerald Harvest offers starter kits and structured feeding programmes for growers who want a complete nutrient system, as well as individual additives such as King Kola, Honey Chome, Root Wizard, Emerald Goddess, and Cal-Mag for experienced growers looking to fine-tune root development, bloom performance, aroma, flavour, and final crop quality.

Everything You Need to Grow

Steel Roots

Steel Roots offers a wide range of high-quality plant nutrients, additives, growing mediums, and feeding solutions designed to support every stage of plant growth and bloom. Carefully selected to support growers at every stage of cultivation, our product range is designed to help create efficient grow spaces and achieve healthier, higher-yielding plants.

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