Additives

Every grower knows that base nutrition sometimes isn't enough to push a crop to its full potential. Whether you are cultivating herbs, vegetable, or flowering plants, integrating a targeted plant additive can correct nutrient deficiencies. Explore our Base Nutrients collection to establish a solid foundation first.

Our curated list of supplements includes everything from organic materials such as bone meal and compost extracts to fast-acting liquid fertilizers. If you are growing in coir or a hydroponic system, pairing these with items from our Growing Media and Rooting lineup ensures optimal uptake of essential plant nutrients.

Providing the right elements or compounds at the exact right time promotes vigorous root growth and massive flower development. To accurately measure what your plants take in and maintain the perfect soil pH, utilize tools from our Analytical Instruments selection for a truly science-driven approach to feeding.

Factors to Consider When Choosing Plant Additives

• Growth Stage: Young, new plants require different support than mature crops. Use nitrogen-rich supplements for lush leafy growth, but switch to bloom boosters to maximize flower production during the late growing season.

• Growing Medium: Soil additives work differently from hydroponic supplements. Ensure your chosen plant food is compatible with your system, as soil nutrients rely on microbial breakdown, whereas hydroponics requires a readily available ion.

• Specific Deficiencies: A soil test from a reliable soil testing laboratory or local extension service can reveal what's missing. For example, adding calcium and magnesium can help prevent blossom end rot, while manganese can help fix yellowing leaves.

• Application Method: Decide between root-zone drenches and foliar sprays. Foliar feeding is a fast-acting way to deliver a micronutrient directly to the leafy canopy, bypassing the roots entirely.

• Nutrient Balance: Be mindful of your overall NPK ratio. Too much nitrogen can cause nutrient lockout or excessive stretching, so always measure your fertilizer inputs carefully to maintain a healthy plant.

Who Needs Plant Additives?

• The Hydroponic Cultivator: Needs highly soluble, clean liquid fertilizers that won't clog lines, ensuring their plants get precise nutrition from air and water alone.

• The Organic Soil Gardener: Relies on organic materials, compost, and natural soil additives to feed the soil food web, promoting long-term healthy growth without synthetic chemicals.

• The Commercial Grower: Requires consistent, high-yield results and relies on a proven plant additive to maximize crop weight and quality for the competitive food and agriculture market.

• The Rescue Gardener: Dealing with stressed crops and needing fast-acting supplements to quickly correct nutrient deficiencies and cause a plant to grow vigorously again.

What Sets our Plant Additives Apart

• Science-Backed Formulations: We stock a variety of additive options, from humic acids that improve soil moisture retention to advanced silica formulas that strengthen cell walls and leaf edges.

• Targeted Nutrition: Our range includes specific macronutrient and micronutrient blends, ensuring you can deliver exact ratios of phosphorus and potassium or elemental sulfur right when plants need them most.

• Versatile Applications: Whether you need a slow-release granular fertilizer for outdoor soil or a highly soluble solution for hydro setups, our products integrate seamlessly into any general feeding schedule.

• Organic and Synthetic Choices: Choose from natural organic fertilizers derived from compost and manure to support beneficial microorganism activity or precise inorganic salts for rapid correction of alkalinity issues.

Related Collections for Complete Plant Nutrition

• Organic Nutrients

• Root Stimulators

• Soluble Nutrients

• Substrates, Mediums and Composts