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Rootline Supply Co.
Rootline Supply Co. provides reliable tools and products for growers, gardeners, and cultivators who care about quality. We’re focused...
6K
1 year
Grand Rapids, US
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Nutrients & Supplements

Osmocote Blend 18-5-12 Fertilizer Enhanced with QuickStart Nutrients - 5-6 Month - 50 lb
In Stock: 63
$95.78
Osmocote Blend 20-4-8 Fertilizer - 8-9 Month - 50 lb
In Stock: 125
$123.15
Florikan Gal-XeOne 14-14-14 Controlled-Release Fertilizer - 90 Day Release - 50 lb
In Stock: 15
$148.50
Osmocote Bloom 12-7-18 Fertilizer - 2-3 Month - 50 lb
In Stock: 231
$169.91
Jack's Nutrients 7-15-30 Finish Fertilizer - 2.2 lb
In Stock: 26
$23.79
Jack's Classic Blossom Booster 10-30-20 Water-Soluble Fertilizer - 10 lb
In Stock: 79
$46.05 $58.79 -22%
Plant-Prod Potassium Bicarbonate Fertilizer - 55 lb
In Stock: 1
$172.96
Sipco Hygroben Beneficial Microbes Liquid Inoculant - 1 L
In Stock: 72
$180.24 / $15.02 per unit
(minimum purchase of 12)
Plantex Poinsettia Plus Water Soluble Fertilizer 18-6-20 - 25 lb
In Stock: 38
$60.16
Espoma Organic Kelp Meal - 4 lb
In Stock: 84
$300.60 / $25.05 per unit
(minimum purchase of 12)
Osmocote Blend 19-5-8 Fertilizer - 8-9 Month - 50 lb
In Stock: 42
$124.97
Grow More Lucky Bamboo Fertilizer 2-2-2 - 8 Oz
In Stock: 156
$62.28 / $5.19 per unit
(minimum purchase of 12)
Grow More Rapid Root Rooting Hormone Powder - 2 Oz
In Stock: 12
$63.48 / $5.29 per unit
(minimum purchase of 12)
Plantex Solutions Fertility Plus Water Soluble Fertilizer 19-2-19 - 25 lb
In Stock: 89
$62.91
Botanicare® Vitamino® 0.1-0-0 — 2.5 gal
In Stock: 8
$132.68 $206.61 -36%
Syngenta Bonzi Plant Growth Regulator - 1 Qt
In Stock: 16
$293.33
Cutting Edge Solutions Bulletproof Si Silica Supplement - 32 Oz
In Stock: 27
$21.79 $25.99 -16%
GreenGro Biologicals Home & Garden Tomato, Veggie & Herb Fertilizer - 4 lb
In Stock: 1020
$131.30 / $13.13 per unit
(minimum purchase of 10)
Maxicrop Liquid Seaweed 0-0-1 - 1 Gal
In Stock: 6
$168.42 / $28.07 per unit
(minimum purchase of 6)
BioAg Ful-Power Fulvic Acid Supplement - 2.5 Gal (CA/OR/WA Label)
In Stock: 11
$60.66 $81.85 -26%
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