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
This product may offer additional benefits beyond those listed.
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
This product may offer additional benefits beyond those listed.
GreenPlanet Nutrients BackCountry Blend Bloom is a controlled-release granular base nutrient and dry base fertilizer for supporting the flowering stage in outdoor gardens. It’s an outdoor base nutrient with an 8-12-16 NPK, built to deliver a complete, bloom-focused nutrient profile in a simple granular format.
This controlled-release granular base nutrient is designed for soil and soilless medium, making it a straightforward choice when you want a reliable dry fertilizer foundation during flowering. BackCountry Blend Bloom is part of the Backcountry Blend outdoor feed program, so it fits naturally into a low-fuss outdoor nutrient approach where consistency and simplicity matter.
BackCountry Blend Bloom contains a full spectrum of nitrogen, phosphorus, potassium, and calcium measured specifically for the flowering stage. The bloom formula includes higher levels of phosphorus and potassium that plants require during flowering, supporting key plant functions tied to bloom development. GreenPlanet highlights phosphorus for core plant processes such as photosynthesis, energy transfer, and nutrient movement through the plant, keeping the product’s purpose focused on what matters most during this stage.
Potassium is positioned as a major support nutrient in this formula, aiding the conversion of phosphorus into energy plants can use and strengthening cell walls. That combination is described in terms of practical plant outcomes: stronger structural support and bloom-stage performance that can support larger yields, without turning the product into a complicated routine.
This is a good fit for gardeners who want an outdoor base nutrient for the flowering stage in soil and soilless medium, with controlled-release granular nutrition and a full-spectrum nitrogen, phosphorus, potassium, and calcium profile designed around bloom-stage needs.
| Total Nitrogen (N) | 16.0% |
|---|---|
| Ammoniacal Nitrogen (N) | 1.0% |
| Urea Nitrogen (N) | 15.0% |
| Available Phosphate (P2O5) | 10.0% |
| Soluble Potash (K2O) | 8.0% |
| Calcium (Ca) | 1.8% |
Ammoniacal Nitrogen (N) is a plant-available form of ammonium (NH₄⁺) that provides a steady, gentle source of nitrogen for healthy green growth. Unlike fast-release nitrogen types, ammoniacal nitrogen feeds plants slowly, helps stabilize root-zone pH, and works well in cooler temperatures. It is commonly used during early vegetative growth because it supports strong leaf development without burning young roots. If plants show pale leaves, slow growth, or weak stems, they may need more available ammoniacal nitrogen.
Ammonium phosphate is unique because it delivers phosphorus alongside ammonium nitrogen, which can slightly lower pH right at the root surface and help plants access phosphorus more efficiently. That matters because phosphorus fuels root energy and early establishment, while ammonium supports immediate growth, making this ingredient especially useful for strong starts when used in balanced amounts.
Available Phosphate (P₂O₅) supports root development, energy transfer, and early structural growth by providing a form of phosphorus that plants can absorb and use quickly.
Calcium is important because it builds and stabilizes plant cells as they form, acting as the structural support that keeps new growth strong and functional. Unlike other nutrients that drive color or speed of growth, calcium’s role is unique because it controls cell wall strength and membrane stability, making it essential for healthy roots, shoots, and long-term plant resilience rather than quick visual results.
Calcium carbonate is important because it supplies calcium while gently buffering acidity in the root zone, helping nutrients stay available and uptake stay consistent over time. It’s unique because it works gradually as a stabilizer, rather than acting like a quick, soluble calcium boost that can spike levels and create new imbalances.
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 Nitrogen is important because it directly drives leafy growth, chlorophyll production, and overall growth speed, which sets the pace for the entire plant. It’s unique because the “total” number can include different nitrogen forms that behave differently in the root zone, meaning the same total amount can produce very different results depending on the nitrogen type and plant stage.
Urea nitrogen is important because it can supply a high-impact source of nitrogen that supports chlorophyll production and fast leafy growth, but it’s unique from other nitrogen forms because it usually must convert in the growing environment before roots can use it consistently, making correct application and conditions critical for avoiding loss, burn, or sudden imbalance.
Potassium sulfate is often preferred because it supplies potassium without added chloride and also provides sulfur, which supports protein-building and efficient nutrient use, making it a cleaner, balanced option when plants are sensitive to chloride or when you want potassium without pushing extra nitrogen or phosphorus.
Urea can burn plants because it must convert in the root zone, and that conversion can create a concentrated, temporarily harsh micro-zone that stresses roots, especially if urea is piled, left on the surface, or not watered in. That conversion step is what makes urea unique compared with nitrogen forms that are already plant-available, so correct placement and moisture are critical.
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