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Green Planet Backcountry Blend Bloom 8-12-16 fertilizer buckets.
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GreenPlanet Nutrients BackCountry Blend Bloom

Official GreenPlanet Nutrients Dealer Model: BCBB5KG
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  • Provides an 8-12-16 NPK ratio calibrated for energy transfer and floral development
  • Controlled-release granules deliver a steady nutrient supply for three to five weeks
  • Low application rate of 1 to 2 tsp per 2 gallons of media fits large garden plots
  • View More Details

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VOLUME PRICING

Commercial & Bulk Purchasing

We support operations & licensed facilities with volume pricing, dedicated account managers, and custom equipment consultation.

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THROUGH THE Cultivator's LENS Hands-On Evaluation

  • You are moving to a dry granular feed because mixing liquid nutrients for a large outdoor plot is a massive chore.
  • You are switching to controlled-release nutrients because you cannot visit your remote garden every single day.

  • The granules stay stable even in heavy rain, preventing the sudden nutrient spikes seen with lower quality salts.
  • We found the dust level is much lower than other brands, making it easier to mix into large soil volumes by hand.

  • Large scale operators say the 4-week feed window let them cut their seasonal labour costs significantly.
  • Users tell us they stopped seeing mid-season deficiencies after switching to this steady controlled-release formula.

GreenPlanet Nutrients BackCountry Blend Bloom

8 – 12 – 16

Outdoor base nutrient formulated for the flowering stage

🌿 Outdoors 🪴 Soil 🌱 Soilless

When plants shift into the flowering stage, their nutritional priorities change dramatically — they need more phosphorus and potassium and less nitrogen to drive floral development and maximize yield. GreenPlanet Nutrients BackCountry Blend Bloom is a controlled-release granular base nutrient (8-12-16) engineered specifically for this transition, delivering a full spectrum of N, P, K, and calcium in ratios tuned for the bloom phase — with no liquid mixing required.

BackCountry Blend Bloom can be applied by top-dress or mixed throughout the soil, and its low application rate means you only need to feed every 3–5 weeks so you can stay focused on tending your plants. Apply at 1–2 tsp per 2 gallons of grow media (or per 2 feet of plant height) on week 1 and week 4 of flower, or every 4 weeks as needed. Cease use after the last feeding and allow at least 4 weeks until the flush period. As part of GreenPlanet's BackCountry Blend Outdoor Feed Program, BackCountry Blend Bloom pairs directly with BackCountry Blend Grow for a complete season-long feeding strategy. BackCountry Blend Bloom is CFIA Exempt.

Features

🌸
Bloom-Stage NPK Ratio

An 8-12-16 ratio delivers elevated phosphorus and potassium levels specifically calibrated for floral development, energy transfer, and larger yields. For those seeking even more explosive growth, this base is compatible with flowering supplements like Massive Bloom Formulation.

⚡
Phosphorus for Energy & Flower Production

Phosphorus supports photosynthesis, nutrient movement, and energy transfer. To maximize aromatic profile and oil production, many outdoor growers add Rezin Terpene Enhancer to their regimen.

💪
Potassium for Cell Wall Strength

Potassium converts phosphorus into usable plant energy and strengthens cell walls, helping branches and stems support heavier harvests. If your specific cultivar requires an extra push during peak bloom, PK Spike can provide a concentrated dose of phosphorus and potassium.

⏱️
Controlled-Release Formula

Granules break down gradually in the soil, delivering a steady nutrient supply with a low application frequency of just once every 3–5 weeks.

🌲
Flexible Application

Apply as a top-dress or mix directly into soil or soilless media — no liquid dilution needed, making large outdoor plots far easier to manage.

🔗
Part of a Complete Feed Program

Designed to work alongside BackCountry Blend Grow and BackCountry Blend Boost as part of GreenPlanet's BackCountry Blend Outdoor Feed Program.

🍁
CFIA Exempt

BackCountry Blend Bloom is CFIA Exempt — legally compliant for sale and use in Canada, including by licensed producers and commercial outdoor growers.

📦
Multiple Size Options

Available in 100 g, 5 kg, 10 kg, and 20 kg formats to suit hobby gardeners through to large-scale commercial outdoor operations.

Specifications

Guaranteed Analysis

Nutrient Amount
Total Nitrogen (N) 16.0% (1.0% Ammoniacal Nitrogen, 15.0% Urea Nitrogen)
Available Phosphate (P₂O₅) 10.0%
Soluble Potash (K₂O) 8.0%
Calcium (Ca) 1.8%

Product Details

Specification Value
NPK Ratio 8-12-16
Formulation Granular (Controlled-Release)
For Use In Outdoors — Soil / Soilless
Application Method Top-dress or incorporate into grow media
Application Rate 1–2 tsp per 2 gal of grow media, or per 2 ft of plant height
Application Timing Week 1 and Week 4 of flower, or every 4 weeks as needed
Application Frequency Every 3–5 weeks
Pre-Flush Cutoff Cease use after last feeding; allow at least 4 weeks until flush
Growth Stage Flowering
Available Sizes 100 g, 5 kg, 10 kg, 20 kg
CFIA Status Exempt
Brand GreenPlanet Nutrients

FAQ

How do I apply BackCountry Blend Bloom? +

Apply BackCountry Blend Bloom at 1–2 tsp per 2 gallons of grow media, or per 2 feet of plant height. You can top-dress by sprinkling granules on the soil surface, or mix them directly into your media before planting. Water after application to begin activating the controlled release.

How often do I need to feed with BackCountry Blend Bloom? +

BackCountry Blend Bloom only needs to be applied once every 3–5 weeks due to its controlled-release formulation. For best results, apply on week 1 and week 4 of the flowering stage, or every 4 weeks as needed — significantly reducing the feeding workload compared to liquid nutrients.

When should I stop using BackCountry Blend Bloom before harvest? +

Cease use of BackCountry Blend Bloom after your last scheduled feeding and allow at least 4 weeks before beginning the flush period. This gives residual nutrients adequate time to clear from the root zone before harvest.

Why does BackCountry Blend Bloom have higher phosphorus and potassium than the Grow formula? +

During the flowering stage, plants shift their energy toward producing flowers and fruits rather than foliage. Phosphorus is critical for photosynthesis and the transfer of energy needed to fuel this process, while potassium converts that phosphorus into usable plant energy and reinforces cell walls to support heavier yields. For an extra carbohydrate source to fuel this energy, Karbo Boost is an excellent addition.

Is BackCountry Blend Bloom CFIA registered? +

BackCountry Blend Bloom is CFIA Exempt. Under Canada's Fertilizers Act, a product is exempt from formal CFIA registration if it does not contain a living organism, pesticide, or unregistered supplement or micronutrient. This makes it legally compliant for commercial and personal use across Canada, including by licensed producers.

How does BackCountry Blend Bloom fit into the BackCountry Blend program? +

BackCountry Blend Bloom is the flowering-stage base nutrient in GreenPlanet's BackCountry Blend Outdoor Feed Program. It is designed to follow BackCountry Blend Grow (used during veg) and can be paired with BackCountry Blend Boost mid-flower for an additional boost of phosphorus, potassium, calcium, and humic acid during peak floral development.

What sizes is BackCountry Blend Bloom available in? +

BackCountry Blend Bloom is available in 100 g, 5 kg, 10 kg, and 20 kg formats. The 100 g size is ideal for home gardeners trialing the program, while the 10 kg and 20 kg options suit larger outdoor plots and commercial operations.

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