Newmarket, Ontario (Head Office)
1175 Stellar Drive, Unit #5
Newmarket, ON L3Y 7B8
- Mon10:00am–6:00pm
- Tue10:00am–6:00pm
- Wed10:00am–6:00pm
- Thu10:00am–6:00pm
- Fri10:00am–6:00pm
- Sat10:00am–4:00pm
- SunClosed
$0.00 CAD
Out of stock at your chosen pickup location? We'll automatically transfer inventory from another location so it's ready at your selected pickup location. (Ontario Only)
Couldn't load pickup availability
Gaia Green Greensand is a mineral soil amendment made from greensand for improving soil texture and supporting moisture and nutrient retention in gardens and landscapes. This greensand soil amendment is built for growers who want a simple, mineral-based way to strengthen the root-zone foundation.
Greensand is a mined iron potassium silicate mineral from ancient seabeds, valued for bringing naturally occurring minerals back into the soil. Gaia Green Greensand is described as a natural source of potassium, iron, magnesium, and manganese, making it a straightforward choice when you want broad mineral support without a complex ingredient list. The “facts layer” stays clean and easy to trust: one primary input in a pure, unadulterated form.
Soil performance is the real focus here. Gaia Green highlights that it improves friability of hard soils, which can matter when beds feel tight, crusted, or slow to loosen. A more friable soil is easier for roots to move through and can support a healthier overall root environment. In the same soil-first direction, Greensand is also positioned to support moisture and nutrient retention, helping the root zone hold onto what plants need more consistently over time.
Another key differentiator is what’s not in the bag. Gaia Green Greensand is in its pure, unadulterated form with no synthetic additives or chemicals, which suits growers who prefer minimal-input soil building. That clean-input profile makes it easy to choose when your goal is mineral support and physical soil improvement rather than a blended fertilizer with multiple moving parts.
If you’re building healthier soil over time and want a mined iron potassium silicate mineral that supports moisture and nutrient retention while improving friability of hard soils, Gaia Green Greensand is a practical fit. This mineral soil amendment is well suited for gardeners and landscape growers who want a natural source of potassium, iron, magnesium, and manganese in a simple, no synthetic additives or chemicals format.
| Soluble Potash (K2O) | 0.2% |
|---|---|
| Total Magnesium (Mg) | 0.5% |
| Total Iron (Fe) | 1.0% |
| Total Manganese (Mn) | 0.05% |
Soluble potash (K2O) is important because it helps plants control water use, move sugars to new growth and fruit, and build stronger, higher-quality structure under stress. It’s unique from many other nutrients because it acts more like a regulator and transport helper than a direct “building material,” so the biggest benefits show up as steadier growth, stronger stems, and better finishing instead of just bigger leaves.
Total iron (Fe) matters because iron supports chlorophyll development and plant energy systems, keeping new growth green and vigorous; it’s unique from many other nutrients because iron deficiency usually shows up first in young leaves even when older leaves stay green, since iron doesn’t easily move within the plant.
Total magnesium is important because magnesium powers chlorophyll and energy use, helping plants stay green, turn light into growth, and use other nutrients efficiently—and it’s unique because its problems often come from nutrient balance and uptake competition, not just a simple shortage.
Total manganese matters because it supports photosynthesis and enzyme activity that keep new growth green and vigorous, and it’s unique because “total” manganese measures what’s present but not necessarily what the plant can absorb—so pH and root conditions decide whether manganese helps or harms.
Greensand is not a fast fix because its potassium releases slowly as the mineral weathers in the root zone, so it works best for long-term stability rather than immediate correction. Its uniqueness is that it builds a steady potassium and trace-mineral reserve while also helping the soil hold nutrients more evenly, which can reduce future imbalances.
1175 Stellar Drive, Unit #5
Newmarket, ON L3Y 7B8
106 Saunders Road, Unit #2A
Barrie, ON L4N 9A8
719 Krosno Boulevard
Pickering, ON L1W 1G4
915 McLeod Avenue, Unit #4
Winnipeg, MB R2G 0Y4