Emerald Harvest stands for high-quality plant nutrients and additives specially developed for professional indoor and hydroponic growing. The range is based on scientifically balanced formulas that ensure healthy growth, strong flowers and maximum yields. Combining high-quality ingredients with ease of use, Emerald Harvest is the perfect choice for beginners and experienced growers alike.
Emerald Harvest is an American nutrient brand with a compact, easy-to-follow program. The base consists of Cali Pro Grow A+B and Cali Pro Bloom A+B, supported by Cal-Mag, Root Wizard for the root zone, Sturdy Stalk for strong stems, King Kola as a bloom booster, Honey Chome as a carbohydrate supplement and Goddess. Products come in 0.95, 3.79 and 9.46 litres. Start with the base and Cal-Mag, then add Root Wizard early and King Kola in flower; the other additives are optional. Several Emerald Harvest items are currently in DEALZ. Check your solution with pH & EC meters.
Questions & answers about Emerald Harvest
All growing questions →- Nutrients Which nutrients do I need for growth and flowering? A two-part grow/bloom base (or one brand's A+B) from one manufacturer is enough for most grows. Add Cal-Mag if you grow in coco or use so... Read the answer →
- Nutrients How much nutrient should I give per litre? Base nutrients usually land between 1 and 5 ml per litre per part, depending on brand, stage and medium. Never go over the label, and in ... Read the answer →
- Nutrients When do I switch to bloom nutrients? Around the time you switch to 12/12 light, or once the first flower sites show, usually 1–2 weeks after the flip. Your brand's chart give... Read the answer →
- Nutrients Organic or mineral nutrients, what's the difference? Organic feeds work through soil life that breaks things down, so they are slower and more forgiving. Mineral nutrients are ready for the ... Read the answer →
Why Choose Emerald Harvest?
Emerald Harvest offers a complete, matched fertilizing system that supports every growth phase:
Precise nutrient balance – optimal combination of nitrogen, phosphorus and potassium. Targeted additives – for root development, flower formation and aroma intensity. Simple dosing – clear instructions and dosing tables. High-quality ingredients – an organic-mineral composition for high bioavailability. Maximum efficiency – less salt buildup, better uptake, higher yields.
The Most Important Emerald Harvest Products
Emerald Harvest Grow, Micro & Bloom
The classic 3-component system that allows precise control over the nutrient ratio. Ideal for soil, coco and hydroponics.
Emerald Harvest Cal-Mag
An additive to stabilize the calcium and magnesium balance – especially important with LED growing or reverse-osmosis water.
Emerald Harvest Root Wizard
Promotes root development through beneficial microorganisms and improves nutrient uptake.
Emerald Harvest Honey Chome
Increases the sugar content and aroma of flowers, resulting in more intense terpenes and stronger colors.
Emerald Harvest King Kola
A powerful flowering booster that stimulates bud formation and maximizes yield.
Use & Compatibility
Emerald Harvest products are matched to each other, but also work excellently in combination with other brands such as Canna, Plagron, DutchPro or Advanced Nutrients. Thanks to the high concentration of the formulas, only a small dose is needed, making the products especially economical.
Whether you grow in soil, coco or hydro – Emerald Harvest guarantees an even nutrient supply at every growth phase.
Buy Emerald Harvest
With Emerald Harvest you choose a professional, proven fertilizing system that combines efficiency, quality and ease of use. From root to flower – these products take your plants to the next level.







