Top 8 Blossom End Rot – Garden Fertilizers

As an Amazon Associate I earn from qualifying purchases.

1. Bonide


Rot Stop Tomato Blossom End Rot Concentrate 16 Oz., Brown/A, Bonide BND166

Bonide #ad - Easy to apply - product instantly mixes with water and should be applied using either a hose-end sprayer or tank sprayer. Simply spray foliage to the point of run-off.

Foliar fertilization - intended as a supplement to a regular fertilization program and may not, by itself, provide all the nutrients normally required by crops or other intended plants. Contains nutritional calcium - Plant food that uses nutritional calcium derived from calcium chloride as the main active ingredient. Corrects calcium deficiency - Our garden fertilizer is used to control blossom end rot on tomatoes by adding calcium to the plant. Make sure to carefully read and use according to label directions. Multiple uses - rot stop is also effective at correcting calcium deficiencies for cucumbers, melons, and peppers.
BrandBonide #ad
ManufacturerBonide #ad
Height8 Inches
Length11 Inches
Weight1.4 Pounds
Width9 Inches
Part Number166

2. Southern Ag


Southern AG 100048945 Stop Blossom-End Rot of Tomatoes Plant Nutrient, 16oz

Southern Ag #ad - Rate: 2 tablespoons per gallon. Corrects calcium deficiency. Prevents tomato blossom end-rot due to calcium deficiencies.
BrandSouthern Ag #ad
ManufacturerSouthern AG #ad
Height1 Inches
Length1 Inches
Weight1.46 Pounds
Width1 Inches
Part NumberGL61100048945

3. EZ-gro


Calcium Nitrate by EZ-gro has 18% Calcium in Our Calcium Nitrate Fertilizer | Just What You Need to Stop Blossom End Rot in Tomatoes | A Favorite in Hydroponic Nutrients as a Calcium Fertilizer

EZ-gro #ad - Pure form of calcium - is easily taken up by plant roots and is a good source of calcium for plants. Used to - in hydroponic kits to raise the media pH and to reduce ammonium and sodium. Important component - of hydroponic fertilizers in hydroponics nutrients solutions. Blossom end rot - calcium nitrate for tomatoes with its 18% calcium is used to prevent calcium deficiency that causes blossom end rot. Calcium supplement - e z-gro 15. 5-0-0 is a calcium fertilizer used to supplement calcium and nitrate nitrogen without micronutrients.
BrandEZ-gro #ad
Height8 Inches
Length5 Inches
Weight2 Pounds
Width2 Inches

4. Earthworm Technologies


Tomatoes, Ecofriendly, Vegetable Garden, EarthPods Premium Cal Mag Plus Plant Food – Easy Organic Fertilizer Spikes – 100 Count Stop Blossom End Rot, Great on Roses, Eggplants, Peppers

Earthworm Technologies #ad - Fast & easy to apply — push 1 earthpod all the way into soil near center of flowering plant, then just water! EarthPods break down & slow release nutrients direct to root zone. Great on tomatoes, peppers & roses! no mess / no measuring / no smell — 1 tube = 100 concentrated earthpods a 4-year supply for a single special plant or use on big collection of seasonal vegetables or flowers.

Eco friendly & compact — stores easily on your kitchen shelf + recycle the empty paperboard tube when done EarthPods are pet, eco-friendly, child, vegan + 100% sustainably made in the USA.

Proprietary formula for superior results — high quality cal mag + robust with additional organic plant nutrients, trace minerals, soil humates in a form immediately available to your plants. Premium indoor organic calcium magnesium plus fertilizer — additive boost for calmag nutrient deficiency to improve blossom end rot, maximize vegetative + flower plant growth.
BrandEarthworm Technologies #ad
ManufacturerEarthworm Technologies #ad
Height2.75 Inches
Length2.5 Inches
Weight4 ounces
Width2.5 Inches

5. Bonide


Multicolor, Bonide B07DTPH4N9 167 1-Quart RTU Stop Tomato Blossom End Rot-2 Pack Bundle

Bonide #ad - Apply to developing fruit and foliage after periods of heavy rain or rapid growth. Chemical pesticides and herbicides. Correct calcium deficiency. Contains 2 spray bottles. Rot stop tomato blossom end rot. Controls blossom end rot on tomatoes and other vegetables.
BrandBonide #ad
ManufacturerBonide #ad
Height0.8 Inches
Length7.63 Inches
Width1.2 Inches
Part Number167

6. HydroHort


Cal-N-Mag Plant Supplement by HydroHort | Our Cal-N-Mag Supplement is a Calcium Fertilizer and Magnesium Fertilier | Stop Blossom End Rot with Cal Mag for Plants | 1 QT

HydroHort #ad - Our cal mag supplement is The Nutrient for Plants. Excellent source for Plant Calcium used against Rot Stop for Tomatoes. It is the tomato secret fertilizer. Hydrohort's cal-n-mag supplement 2-0-0 is an Excellent Source of Calcium and Magnesiumfor Plants. Hydrohort's cal-n-mag Plus is the preferred Nutrients for Tomato Plants. Prevents common growth deficiencies: Apply Cal-Mag at every stage of growth for strong plants.
BrandHydroHort #ad
ManufacturerHydroHort #ad
Height8 Inches
Length5 Inches
Width2 Inches

7. Blue Planet Nutrients


CalMag + Iron Liquid Plant Supplement Quart 32 oz Blue Planet Nutrients | Calcium Magnesium Iron for All Plants & Gardens | Prevents & Corrects Blossom End Rot | Vegetables Fruits Flowers Herbs

Blue Planet Nutrients #ad - Designed for use in all hydroponic systems, coco-coir, perlite, all soil-less mediums such as vermiculite, aeroponics, and in soil. Calmag with iron supplement is used for plants that require elevated levels of calcium and magnesium to reach their fullest potential and is excellent at preventing and correcting blossom end rot.

High-grade, concentrated formula. Blue planet nutrients uses only the highest quality ingredients in our hand-crafted nutrient formulas. Proven results across the internet! See why everyone is raving about Blue Planet Nutrients! This product helps strengthen cell walls resulting in stronger plant structures and greater overall health.
BrandBlue Planet Nutrients #ad
ManufacturerBlue Planet Nutrients #ad
Height7.5 Inches
Length5.25 Inches
Width2.4 Inches
Part Number4336441504

8. 5GallonBucketHydro


Calcium Nitrate Hydroponics Soluble 15.5-0-0 2lbs Fixes Blossom End Rot Increases Nitrogen

5GallonBucketHydro #ad - Exclusive source of Calcium in Hydroponics. Suitable for all hydroponic systems and soil applications as well. 15. 5-0-0 +19% ca guaranteed Analysis. Greenhouse grade Water Soluble Calcium Nitrate.
Brand5GallonBucketHydro #ad #ad
Height7 Inches
Length7 Inches
Width2 Inches
Part NumberCaNo3_2lbs