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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

FoxFarm Marine Cuisine Slow-Release Fertilizer 10-7-7 - 4 lb Bag
In Stock: 313
$177.12 / $22.14 per unit
(minimum purchase of 8)
Plant Success Organics Soluble Mycorrhizae 0.5-0.1-7 - 4 Oz - OMRI Listed
In Stock: 269
$227.04 / $18.92 per unit
(minimum purchase of 12)
Down To Earth Citrus Mix 6-3-3 Organic Fertilizer - 25 lb - OMRI Listed
Out of stock
$42.18 $55.39 -24%
FoxFarm Liquid Nutrient Trio Soil Formula Fertilizer Kit - 32 Oz Each
In Stock: 4
$322.96 / $80.74 per unit
(minimum purchase of 4)
True Organic Tomato & Vegetable Food 4-5-6 - 4 lb
In Stock: 798
$63.42 / $10.57 per unit
(minimum purchase of 6)
Down To Earth Cottonseed Meal 6-2-1 Fertilizer - 5 lb
In Stock: 120
$75.84 / $12.64 per unit
(minimum purchase of 6)
Down To Earth AGmino Powder 14-0-0 Fertilizer - 1 lb
In Stock: 6
$49.98 / $8.33 per unit
(minimum purchase of 6)
Xtreme Gardening Azos Wettable Powder Root Booster - 12 Oz
Out of stock
$274.08 / $45.68 per unit
(minimum purchase of 6)
Down To Earth Fish Bone Meal 4-12-0 Organic Fertilizer - 5 lb - OMRI Listed
In Stock: 516
$72.78 / $12.13 per unit
(minimum purchase of 6)
Big Foot Mycorrhizae Granular Root Inoculant - 10 lb
In Stock: 4
$157.16 $205.49 -24%
SUPERthrive Pro-TeKt Nutritional Supplement 0-0-3 - The Silicon Solution - 32 Oz
In Stock: 330
$230.40 / $19.20 per unit
(minimum purchase of 12)
Down To Earth Fruit Tree 6-2-4 Organic Fertilizer - 5 lb - OMRI Listed
In Stock: 1464
$79.80 / $13.30 per unit
(minimum purchase of 6)
SUPERthrive Root-Gel Rooting Gel - 2 Oz
Out of stock
$134.64 / $11.22 per unit
(minimum purchase of 12)
HDI Clonex Clone Solution - 32 Oz
Out of stock
$233.16 / $19.43 per unit
(minimum purchase of 12)
FoxFarm Bush Doctor Wholly Mackerel Fertilizer 3-1-0 - 16 Oz - Concentrate
In Stock: 730
$18.07 $23.19 -22%
Biomin Calcium Micronutrient Supplement - 2.5 Gal - OMRI Listed
In Stock: 14
$128.53
MYKE Vegetable & Herb Mycorrhizae 0.2-0.2-1.0 - 0.9 Qt
In Stock: 265
$537.84 / $14.94 per unit
(minimum purchase of 36)
FoxFarm Bush Doctor Sledgehammer Nutrient Rinse - 16 Oz - OMRI Listed
In Stock: 104
$20.06 $21.29 -6%
Down To Earth Rose & Flower Mix 4-8-4 Organic Fertilizer - 25 lb - OMRI Listed
In Stock: 126
$42.20 $55.29 -24%
Plant Success Orca Liquid Mycorrhizae Concentrate - 1 Gal
In Stock: 16
$433.66 / $216.83 per unit
(minimum purchase of 2)
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