Collection: Potassium Fertilizers
Compare products by nutrient analysis, formulation, application method and label directions.
-
DTE Starter Mix 3-3-3
Regular price $44.79Sale $44.79Unit price per -
Espoma Organic Bio-tone Starter Plus
Regular price $47.99Sale $47.99Unit price per -
Espoma Organic Holly-Tone (4 lb)
Regular price $12.99Sale $12.99Unit price per -
Crab & Lobster Shell Fertilizer 5-3-0 (4 lb)
Regular price $26.99Sale $26.99Unit price per -
Espoma Organic Citrus-Tone Citrus & Avocado (4 lb)
Regular price $12.99Sale $12.99Unit price per -
Espoma Organic Tomato-Tone 3-4-6 (8 lb)
Regular price $24.99Sale $24.99Unit price per -
Pre-Plant Plus 7-5-7 (5 lb bag)
Regular price $13.49Sale $13.49Unit price per -
Green Sand (5 lb bag)
Regular price $17.99Sale $17.99Unit price per -
-
-
New
Espoma Organic Horticultural Charcoal 4qt
Regular price $19.99Sale $19.99Unit price per -
New
True Organic - Azalea, Camellia, & Rhododendron Food 12lbs
Regular price $26.99Sale $26.99Unit price per -
New
True Organic - Liquid Bloom Boost 16oz
Regular price $8.99Sale $8.99Unit price per -
New
True Organic - Liquid Preplant Starter 16oz
Regular price $8.99Sale $8.99Unit price per -
New
True Organic - Herb & Leafy Greens Food 4lbs
Regular price $13.99Sale $13.99Unit price per -
New
True Organic - Chicken Manure 3-3-2 15lbs
Regular price $15.99Sale $15.99Unit price per -
New
Espoma Organic Evergreen-tone 4-3-4 8lbs
Regular price $16.99Sale $16.99Unit price per -
New
Neptune's Harvest - Liquid Crab & Lobster Shell 2-0-2 18oz
Regular price $26.99Sale $26.99Unit price per -
New
Coast of Maine Organic Lobster Meal 4lbs
Regular price $24.99Sale $24.99Unit price per -
New
True Organic - Annuals & Perennials Food 4lbs
Regular price $12.99Sale $12.99Unit price per -
Sold outPeaceful Valley Organic PrimeStart Booster Blend 2.3-5.0-2.6 (3 lb Bag)
Regular price $8.99Sale $8.99Unit price per -
Sold outPeaceful Valley Organic PrimeStart Booster Blend 2.3-5.0-2.6 (30 lb)
Regular price $51.99Sale $51.99Unit price per -
Sold out -
Sold outFruit Tree Fertilizer 6-2-4 (15 lb)
Regular price $37.99Sale $37.99Unit price per -
Sold outTrue Organic Liquid All-Purpose Plant Food 16 oz
Regular price $8.99Sale $8.99Unit price per -
Sold outHill & Valley Fertilizer Mix Plus N 2.0-4.0-4.0 (40 lb)
Regular price $51.99Sale $51.99Unit price per -
Sold outEspoma Organic Iron-Tone (5 lb)
Regular price $10.99Sale $10.99Unit price per -
Sold outEspoma Organic Tomato-Tone (4 lb)
Regular price $12.99Sale $12.99Unit price per -
Sold outHill & Valley Fertilizer Mix 0.5-4.0-4.0 (40 lb)
Regular price $45.99Sale $45.99Unit price per -
Sold outTomato & Veg Fertilizer 2-4-2
Regular price $32.99Sale $32.99Unit price per -
Sold outRose & Flowering Fertilizer 2-6-4
Regular price $32.99Sale $32.99Unit price per -
New
Sold outTrue Organic - Root Enhancer 1lb
Regular price $20.99Sale $20.99Unit price per
Collection: Boost Plant Health with High Potassium Fertilizer
Potassium Fertilizers for Plant Vigor
Compare potassium sources used to support flowering, fruit development, water regulation and overall plant function. This collection includes individual amendments and blended fertilizers with varying potassium analyses.
Choosing and Applying
Base applications on soil conditions and crop needs. Review the guaranteed analysis, chloride content where relevant, application rate and label directions.
Browse all nutrient-specific fertilizers or compare phosphorus and calcium fertilizers.