Bonnie Autoflower Vegetation Fertilizer

Cronk Nutrients

$16.88 - $62.88
Adding to cart… The item has been added
Tab Section
Guaranteed Analysis
Saftey Data

Autoflower Bloom Fertilizer

Boost your autoflower growth during the vegetative stage with Bonnie by Cronk Nutrients. This premium fertilizer has been specifically designed for autoflowers with a balanced NPK ratio of 6-5-4, essential micronutrients, and is hassle-free to use. Use it with our CalMag for calcium, magnesium, iron, and nitrogen supplementation. Safe for all grow mediums and plant types.

Attention growers: Bonnie by Cronk Nutrients is our premium autoflower vegetative nutrient that's a vital component of our autoflower nutrient regimen. Use Bonnie with our CalMag during the vegetative stage for optimal growth. During the flowering stage, use Clyde with our CalMag for the best results. Remember, Bonnie and Clyde, are used during different stages and are never used together at the same time.

Guaranteed Analysis


Total Nitrogen (N) – 6%

3% Nitrate Nitrogen (N)

3% Ammoniacal Nitrogen (N)

Available Phosphate (P2O5) – 5%

Soluble Potash (K2O) – 4%

Copper (Cu) – 0.01%

0.01% Chelated Copper (Cu) Iron (Fe) – 0.025%

0.025% Chelated Iron (Fe) Manganese (Mn) – 0.01%

0.01% Chelated Manganese (Mn) Zinc (Zn) – 0.01%

0.01% Chelated Zinc (Zn)

Derived from:Potassium Nitrate, Monoammonium Phosphate, Monopotassium Phosphate, Iron EDTA, Manganese EDTA, Zinc EDTA, Copper EDTA.

Saftey Data Sheet

CLICK HERE for a copy of Cronk Nutrients Bonnie 6-5-4 SDS


Cronk Nutrients' online store ships all over Canada and the United States from Canada & the United States. If your country isn't a standard option, please contact us and we can get a shipping quote. We offer free shipping on any order in North America over $99* CAD. We ship via UPS, Purolator, FedEx, Canada Post or from our inventory at either or 

All orders are processed within 1 business day. 

Your order will be marked as fulfilled from the moment it’s been boxed up in the warehouse awaiting for the courier to pick it up. Once your order has been fulfilled, you will receive an email with your tracking number. Your tracking details will appear once the courier has processed the package.  CLICK HERE for more information about our shipping policy. 

Safe for All Plant Types & Grow Mediums

At Cronk Nutrients, we pride ourselves on creating fertilizers that are compatible with a wide range of plants and growing mediums.

  • All Cronk Nutrients'fertilizers are compatible with a wide range of plants, including hemp, vegetables, fruits, and flowers, making them a versatile choice for any grower.
  • Can be used in different growing mediums, including indoor or outdoor soil, hydroponics, and coco coir, ensuring that they work equally well in different types of setups.
  • You can be confident that you're using high-quality and safe products when you choose Cronk Nutrients fertilizers, which are designed to be effective and compatible with a variety of plants and growing methods.



Dilute the suggested amount as per the chart on the back of the bottle into at least 1 litre of water. Apply once per week or every other watering. Safe to use in conjunction with any other nutrients. Use for the majority of the plant's life.