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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 Happy Frog All-Purpose Fertilizer 6-4-5 - 4 lb - OMRI Listed
In Stock: 1008
$154.44 / $12.87 per unit
(minimum purchase of 12)
Maxicrop Soluble Seaweed Powder 0-0-17 - 10.7 Oz - OMRI Listed
In Stock: 36
$263.16 / $21.93 per unit
(minimum purchase of 12)
FoxFarm Happy Frog Fruit & Flower Fertilizer 4-9-3 - 4 lb - OMRI Listed
In Stock: 1234
$154.44 / $12.87 per unit
(minimum purchase of 12)
Down To Earth Feather Meal 12-0-0 Organic Fertilizer - 20 lb - OMRI Listed
In Stock: 11
$40.81 $64.19 -36%
Olivia's Cloning Solution - 1 Gal
In Stock: 4
$56.88 / $14.22 per unit
(minimum purchase of 4)
Xtreme Gardening Mykos Granular Mycorrhizal Inoculant - 20 Lb
Out of stock
$359.16 / $179.58 per unit
(minimum purchase of 2)
Down To Earth Bat Guano 7-3-1 Organic Fertilizer - 2 lb - OMRI Listed
In Stock: 318
$73.56 / $12.26 per unit
(minimum purchase of 6)
True Organic Berry Food 5-4-4 - 4 lb
In Stock: 1182
$63.42 / $10.57 per unit
(minimum purchase of 6)
Big Foot Ecto-Mycorrhizae Water Soluble Powder for Woody Plants - 2 Oz
In Stock: 441
$149.60 / $7.48 per unit
(minimum purchase of 20)
Plant Success Great White Premium Mycorrhizae Concentrate - 1 Oz
In Stock: 91
$12.79 $15.66 -18%
Coast of Maine Stonington Blend Organic Natural Grower's Mix - 1.5 cu ft - OMRI Listed
In Stock: 240
$214.68 / $35.78 per unit
(minimum purchase of 6)
Xtreme Gardening Mykos Natural Root Enhancer Mycorrhizal Inoculant - 100 g - 24-Count
In Stock: 49
$155.85 $177.40 -12%
General Hydroponics Flora Series Trial Pack Nutrient Kit - 32 Oz Each (FloraMicro, FloraGro, FloraBloom)
In Stock: 12
$39.11 $39.35 -1%
Xtreme Gardening Mykos Granular Mycorrhizal Inoculant - 50 Lb
Out of stock
$408.85 $490.64 -17%
Xtreme Gardening Mykos Wettable Powder Mycorrhizal Inoculant - 15 Lb
Out of stock
$637.36 / $318.68 per unit
(minimum purchase of 2)
FoxFarm Cultivation Nation Cal-Mag Supplement - 32 Oz
In Stock: 132
$203.88 / $16.99 per unit
(minimum purchase of 12)
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 - 1 Gal - Concentrate
In Stock: 139
$96.03 $119.89 -20%
SUPERthrive Bonsai-Pro Liquid Plant Food 7-9-5 | 8oz
In Stock: 12
$50.64 / $4.22 per unit
(minimum purchase of 12)
Miracle-Gro Performance Organics Edibles Plant Food - 2.5 lb - OMRI Listed
In Stock: 1488
$57.60 / $9.60 per unit
(minimum purchase of 6)
Big Foot Mycorrhizae Concentrate Water-In-Root Inoculum - 4 Oz
In Stock: 625
$173.25 / $11.55 per unit
(minimum purchase of 15)
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