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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...
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1 year 2 months
Tewksbury, US
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Nutrients & Supplements

True Organic All-Purpose Plant Food 5-4-5 - 4.5 lb Shaker Jug
True Organic All-Purpose Plant Food 5-4-5 - 4.5 lb Shaker Jug
In Stock: 198
$15.44
FoxFarm Cultivation Nation Cal-Mag Supplement - 16 Oz
FoxFarm Cultivation Nation Cal-Mag Supplement - 16 Oz
In Stock: 144
$102.72 / $8.56 per unit
(minimum purchase of 12)
Down To Earth Feather Meal 12-0-0 Organic Fertilizer - 20 lb - OMRI Listed
Down To Earth Feather Meal 12-0-0 Organic Fertilizer - 20 lb - OMRI Listed
In Stock: 28
$40.15 $57.99 -31%
Down To Earth Feather Meal 12-0-0 Organic Fertilizer - 4 lb - OMRI Listed
Down To Earth Feather Meal 12-0-0 Organic Fertilizer - 4 lb - OMRI Listed
In Stock: 453
$78.72 / $13.12 per unit
(minimum purchase of 6)
Neptune's Harvest Seaweed Plant Food 0-0-1 - 32 Oz Concentrate - OMRI Listed
Neptune's Harvest Seaweed Plant Food 0-0-1 - 32 Oz Concentrate - OMRI Listed
In Stock: 504
$217.08 / $18.09 per unit
(minimum purchase of 12)
FoxFarm Happy Frog All-Purpose Fertilizer 6-4-5 - 4 lb - OMRI Listed
FoxFarm Happy Frog All-Purpose Fertilizer 6-4-5 - 4 lb - OMRI Listed
In Stock: 1188
$134.16 / $11.18 per unit
(minimum purchase of 12)
FoxFarm Happy Frog Fruit & Flower Fertilizer 4-9-3 - 4 lb - OMRI Listed
FoxFarm Happy Frog Fruit & Flower Fertilizer 4-9-3 - 4 lb - OMRI Listed
In Stock: 1619
$134.16 / $11.18 per unit
(minimum purchase of 12)
FoxFarm Big Bloom Fertilizer 0-0.5-0.7 - 16 Oz - Concentrate - OMRI Listed
FoxFarm Big Bloom Fertilizer 0-0.5-0.7 - 16 Oz - Concentrate - OMRI Listed
In Stock: 1368
$135.48 / $11.29 per unit
(minimum purchase of 12)
True Organic Berry Food 5-4-4 - 4 lb
True Organic Berry Food 5-4-4 - 4 lb
In Stock: 1194
$60.48 / $10.08 per unit
(minimum purchase of 6)
Down To Earth Bat Guano 7-3-1 Organic Fertilizer - 2 lb - OMRI Listed
Down To Earth Bat Guano 7-3-1 Organic Fertilizer - 2 lb - OMRI Listed
In Stock: 768
$73.26 / $12.21 per unit
(minimum purchase of 6)
Big Foot Ecto-Mycorrhizae Water Soluble Powder for Woody Plants - 2 Oz
Big Foot Ecto-Mycorrhizae Water Soluble Powder for Woody Plants - 2 Oz
In Stock: 292
$150.40 / $7.52 per unit
(minimum purchase of 20)
Coast of Maine Stonington Blend Organic Natural Grower's Mix - 1.5 cu ft - OMRI Listed
Coast of Maine Stonington Blend Organic Natural Grower's Mix - 1.5 cu ft - OMRI Listed
In Stock: 214
$184.32 / $30.72 per unit
(minimum purchase of 6)
FoxFarm Bush Doctor Kelp Me Kelp You Kelp Supplement 0.5-0-0.5 - 16 Oz - Concentrate - OMRI Listed
FoxFarm Bush Doctor Kelp Me Kelp You Kelp Supplement 0.5-0-0.5 - 16 Oz - Concentrate - OMRI Listed
In Stock: 160
$175.20 / $14.60 per unit
(minimum purchase of 12)
FoxFarm Cultivation Nation Cal-Mag Supplement - 32 Oz
FoxFarm Cultivation Nation Cal-Mag Supplement - 32 Oz
In Stock: 312
$159.60 / $13.30 per unit
(minimum purchase of 12)
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 - 1 Gal - Concentrate
FoxFarm Tiger Bloom Buds & Blooms Fertilizer 2-8-4 - 1 Gal - Concentrate
In Stock: 132
$317.84 / $79.46 per unit
(minimum purchase of 4)
Big Foot Mycorrhizae Concentrate Water-In-Root Inoculum - 4 Oz
Big Foot Mycorrhizae Concentrate Water-In-Root Inoculum - 4 Oz
In Stock: 191
$173.40 / $11.56 per unit
(minimum purchase of 15)
Down To Earth Langbeinite 0-0-22 Organic Fertilizer - 5 lb - OMRI Listed
Down To Earth Langbeinite 0-0-22 Organic Fertilizer - 5 lb - OMRI Listed
In Stock: 540
$79.74 / $13.29 per unit
(minimum purchase of 6)
Sustane 4-6-4 Flower & Vegetable Plant Food - 20 lb - OMRI Listed
Sustane 4-6-4 Flower & Vegetable Plant Food - 20 lb - OMRI Listed
In Stock: 158
$207.20 / $20.72 per unit
(minimum purchase of 10)
Big Foot Mycorrhizae Gold + Beneficial Bacteria Root Inoculant - 4 Oz
Big Foot Mycorrhizae Gold + Beneficial Bacteria Root Inoculant - 4 Oz
In Stock: 23
$274.68 / $22.89 per unit
(minimum purchase of 12)
Down To Earth Fish Bone Meal 4-12-0 Organic Fertilizer - 1 lb - OMRI Listed
Down To Earth Fish Bone Meal 4-12-0 Organic Fertilizer - 1 lb - OMRI Listed
In Stock: 432
$49.56 / $4.13 per unit
(minimum purchase of 12)
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