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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

Down To Earth Blood Meal 12-0-0 Organic Fertilizer - 0.5 lb - OMRI Listed
In Stock: 492
$43.80 / $3.65 per unit
(minimum purchase of 12)
Down To Earth Fruit Tree 6-2-4 Organic Fertilizer - 25 lb - OMRI Listed
In Stock: 317
$37.82 $51.39 -26%
Down To Earth Vegetable Garden 4-4-4 Organic Fertilizer - 25 lb - OMRI Listed
In Stock: 270
$37.83 $51.39 -26%
Roots Organics HPK Bloom Booster 0-4-3 - 32 Oz Concentrate
In Stock: 7
$11.88 $19.99 -41%
Botanicare Pure Blend Tea Compost Tea Supplement 0.5-0.5-1 - 55 Gal
In Stock: 4
$843.13 $1,900.57 -56%
Botanicare Vitamino 1-0-0 - 2.5gal
In Stock: 3
$91.49 $193.09 -53%
Botanicare Pure Blend Pro Bloom Base Nutrient 2-3-5 - 32 Oz
In Stock: 97
$21.39 $33.16 -35%
Botanicare Pure Blend Pro Bloom Formula 2-3-5 - 55gal
In Stock: 9
$1,346.76 $3,035.85 -56%
Xtreme Gardening Mykos Granular Mycorrhizal Inoculant - 1 Lb
Out of stock
$207.00 / $17.25 per unit
(minimum purchase of 12)
Botanicare Silica Blast Plant Supplement 0-0-0.5 - 1 Gal
In Stock: 44
$37.09 $57.52 -36%
Down To Earth Liquid Calcium 5% Organic Fertilizer - 32 Oz - OMRI Listed
In Stock: 30
$124.50 / $12.45 per unit
(minimum purchase of 10)
Big Foot Mycorrhizae Gold + Beneficial Bacteria Root Inoculant - 32 Oz
In Stock: 69
$131.74 $217.19 -39%
Xtreme Gardening Mykos Granular Mycorrhizal Inoculant - 2.2 Lb
In Stock: 6
$158.94 / $26.49 per unit
(minimum purchase of 6)
Botanicare Pure Blend Pro Bloom Base Nutrient 2-3-5 - 1 Gal
In Stock: 54
$51.88 $80.54 -36%
Botanicare Hydroplex Bloom Enhancer 0-10-6 - 32 Oz
In Stock: 36
$35.13 $54.45 -35%
True Organic All-Purpose Plant Food 5-4-5 - 8 lb
In Stock: 258
$51.84 / $12.96 per unit
(minimum purchase of 4)
Botanicare Pure Blend Tea 0.5-0.5-1 - 1gal
In Stock: 17
$31.80 $49.42 -36%
Down To Earth AZOMITE Slow Release Powder Trace Minerals 0-0-0.2 - 1 lb - OMRI Listed
In Stock: 841
$36.96 / $3.08 per unit
(minimum purchase of 12)
General Hydroponics Diamond Nectar 0-1-1 Organic Plant Supplement - 2.5 Gal
In Stock: 54
$65.42 $147.29 -56%
FoxFarm Happy Frog Japanese Maple Fertilizer 4-3-4 - 4 lb - OMRI Listed
In Stock: 792
$151.44 / $12.62 per unit
(minimum purchase of 12)
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