Terreau biologique PureLife - 20 litres

Earthworm castings are both, but they’re unique because they feed gently while also improving how the root zone holds moisture, nutrients, and beneficial biology. They matter most for stability, helping roots absorb nutrients more consistently instead of relying on big feeding spikes, which is why they’re often more “conditioning” than a strong fertilizer.

Feather meal supplies slow-release nitrogen that supports steady green growth over time, especially once roots and soil microbes are active. It’s unique because plants can’t use it immediately the way fast nitrogen sources work, so it’s best for building a long-term baseline rather than fixing a sudden deficiency overnight.

Bone meal is best used before or at planting to support strong roots and steady flowering support because it releases phosphorus and calcium slowly as soil biology breaks it down. It’s unique because it isn’t a quick fix, so timing and soil conditions matter more, and overuse can create long-term imbalances that block micronutrient uptake.

Alfalfa meal is important because it supports steady, biologically driven growth instead of a quick spike, helping the root zone stay active so nutrient flow stays consistent. What makes it unique is that it can encourage stronger growth momentum while also feeding soil life, which helps plants stay vigorous and resilient when conditions are right.

Perlite is important because it increases root-zone oxygen and improves drainage, helping roots stay healthy and active; it’s unique because its main benefit is physical structure and airflow—not nutrients or moisture storage—so it fixes “too wet and compact” root problems in a simple, predictable way.

Dolomite gently raises and stabilizes pH while supplying calcium and magnesium, helping roots absorb nutrients more consistently and supporting strong new growth and greener leaves. It’s unique because it buffers acidity and feeds two key minerals at the same time, unlike materials that only change pH or only provide a single nutrient.

Black soldier fly frass is different because it supports the soil ecosystem while also supplying gentle nutrition, so plants often get steadier growth instead of a quick spike and crash. It’s important because healthier soil biology improves nutrient availability and root-zone stability, which can make plants more resilient to common stress and watering mistakes.

Worm castings are both, but they’re unique because they feed gently while improving the root zone’s moisture balance and microbial activity, so plants can use nutrients more steadily instead of getting a sharp nutrient spike like many fertilizers.

Sphagnum peat moss is important because it holds moisture evenly while still supporting air spaces that roots need for oxygen, which makes watering and nutrient uptake more consistent. It is unique because it naturally trends acidic and acts more like a moisture-and-structure foundation than a nutrient source, so it changes root-zone balance in ways other base ingredients do not.

Kelp meal supports balanced growth and stronger roots by gently enhancing root-zone biology and helping plants handle stress more smoothly than fast-acting inputs, making it unique as a steady “support” amendment rather than a quick nutrient fix.

Volcanic rock dust feeds plants indirectly by slowly releasing a wide range of minerals as it weathers, which helps roots and microbes access what they need over time. It’s unique because it’s broad-spectrum and slow-release, so it builds long-term mineral balance and resilience rather than acting like a fast, single-nutrient fix.

Mined potassium sulfate supplies potassium for moving sugars and managing water, plus sulfate sulfur for building proteins and enzymes, so fruiting plants can fill, ripen, and firm up without adding extra nitrogen. It’s unique because it boosts potassium without chloride, helping quality and stress tolerance with less risk of salt sensitivity issues.