Grow Organic Island Phosphate
Best organic phosphorus source for home gardeners seeking robust plant development.
This ancient seabird guano is the gold standard for gardeners who prioritize soil health alongside explosive phosphorus-driven growth. It requires a bit more hands-on preparation than synthetic pellets, but the trade-off is a living, nutrient-dense foundation that synthetic alternatives simply cannot replicate.
$24.99
at
SeedTime (retailer)
Who it's for
- Plant owners worried about accidental fertilizer burn
- Gardeners seeking stronger roots and more abundant blooms
- Organic growers prioritizing natural inputs and soil health
Who should skip it
- Gardeners wanting a simple, all-in-one nutritional solution
- Growers needing an immediate fix for acute nutrient deficiencies
- Gardeners with alkaline soil conditions
Performance breakdown
Nutrient Concentration
High phosphorus content provides a potent boost for root and bloom.
Application Versatility
Easily adapts to soil, foliar, or liquid tea delivery methods.
Soil Health Impact
Rich humus content actively improves soil structure and long-term vitality.
Organic Integrity
Sourced from natural fossilized deposits for clean, sustainable garden growth.
Ease of Preparation
Requires steeping time for liquid use, unlike instant synthetic fertilizers.
Release Speed
Quick-release formula ensures plants receive immediate access to essential nutrients.
Key Specs
NPK Ratio
0-11-0
Package Weight
5 lb
Source Material
Fossilized Seabird Guano
Soil Application Rate
5 lb per 100 sq ft
Tea Preparation
Steep 3-5 lb in 5-10 gal of water for 1-2 days
Fertilizer Source
Organic, Natural
Coverage Area
100 sq ft (at 5 lb rate)
Nitrogen Percentage
0%
Phosphorus Percentage
11%
Potassium Percentage
0%
Know before you buy
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