Skip to content
Cronk Nutrients Bonnie Autoflower Vegetation Fertilizer - Green Thumb Depot
Cronk Nutrients Bonnie Autoflower Vegetation Fertilizer Nutrient (6-5-4)

Cronk Nutrients Bonnie Autoflower Vegetation Fertilizer Nutrient (6-5-4)

See more by Cronk Nutrients
SKU: CNBON500ML

Official Distributor

$12.88
Preview Icon

An Important Note on Pricing and Returns:

We believe in upfront pricing and fair policies—no hidden fees, no surprises, and easy, transparent returns. If you're comparing options, we encourage you to review competitors’ fine print carefully.

We've helped countless customers who had issues elsewhere, and we’re here to make sure that never happens to you.

Or

Monthly payments start at:

$0.35/mo

Learn More

Check Icon

Monthly Payment Start at:

$0.35/mo

Learn More

Contact us about commercial pricing
Size
Availability: 679 in stock, ready to be shipped

Notify me when back in stock

Free Shipping

On most orders

Call Us

(833) 416-0375

Mon-Fri 9am-6pm CST

Lowest Price Guranteed

There is never a better price,

we can always price match

No Sales Tax

Absolutely no tax on any purchase

Easy Returns

Always hassle free

Free Shipping

Lowest Price Gurantee

No Sales Tax

Easy Returns

Autoflower Vegetation 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.

img

Cronk Nutrients Bonnie Autoflower Vegetation Fertilizer

Boost your autoflowers' vegetative growth with Bonnie by Cronk Nutrients, a premium fertilizer tailored for autoflowers. Featuring a balanced NPK ratio of 6-5-4 and essential micronutrients, Bonnie supports strong, healthy growth across all plant types and grow mediums. Pair it with CalMag for additional calcium, magnesium, iron, and nitrogen supplementation. For best results, use Bonnie during the vegetative stage, then switch to Clyde with CalMag for flowering. Note: Bonnie and Clyde are used at different growth stages, never together.


Product Overview

Specifications

What's Included?

Warranty & Returns

Product Overview

Cronk Nutrients' Bonnie Autoflower Vegetation Fertilizer is a premium solution designed to optimize the vegetative growth of autoflowers. With a balanced NPK ratio of 6-5-4 and essential micronutrients, Bonnie promotes strong, healthy growth while ensuring plants thrive during this critical stage. Compatible with various grow mediums, it supports robust root development, enhances nutrient absorption, and prepares plants for a successful flowering phase. For best results, pair Bonnie with CalMag for additional calcium, magnesium, and iron supplementation.

Some key features,
1.Provides a balanced 6-5-4 NPK ratio for optimal vegetative growth.
2. Compatible with soil, coco coir, and hydroponic systems.
3. Promotes strong root development for healthy plant structure.
4.Enhances nutrient uptake to support vigorous growth.
5. Prepares autoflowers for a smooth transition to the flowering stage.
6.Suitable for vegetables, fruits, flowers, and other crops.
7.Easy-to-use and ideal for growers of all experience levels.

wetanddry
wetanddry

Key Advantages of Cronk Nutrients Bonnie Autoflower Vegetation Fertilizer

Cronk Nutrients' Bonnie is a premium fertilizer formulated to promote vigorous vegetative growth in autoflowers. With a balanced NPK ratio of 6-5-4 and essential micronutrients, it strengthens plant structure, enhances root development, and supports nutrient absorption. Compatible with soil, coco coir, and hydroponic systems, Bonnie ensures consistent results in any growing environment. Designed for growers of all experience levels, it prepares plants for a seamless transition to flowering, maximizing growth potential and overall plant health.

Balanced Nutrient Formula

Versatile Plant Compatibility

Promotes Strong Roots

Optimized for Maximum Yield

Available in Different Sizes

wetanddry
wetanddry

Direction

SHAKE BEFORE USE
Dilute the suggested amount as per the chart on the back of the bottle into at least 1 litre of water. Apply every other watering. Safe to use in conjunction with any other nutrients. Use for the majority of the plant's vegetation stage.
Conversions: 1 Teaspoon = 5mL | 1 Tablespoon = 15 mL | 1 Ounce = 30mL | 1 Cup = 240 mL

Why Cronk Nutrients?

Cronk Nutrients offers a premium, balanced formulation of macro and micro-nutrients that supports healthy plant growth, strong roots, and abundant flowering. Its versatility allows it to be used with a wide range of plants, including hemp, vegetables, fruits, and flowers, across various growing mediums such as soil, hydroponics, and coco coir. Whether you're growing indoors or outdoors, Cronk Nutrients ensures your plants receive the essential nutrients they need for optimal development.
Designed for growers of all levels, Cronk Nutrients provides an easy-to-use solution that promotes efficient growth through all stages, from seedling to flowering. With a focus on high-quality ingredients and reliable performance, it delivers consistent results and maximum yield. Cronk Nutrients is the trusted choice for growers looking to enhance plant health and achieve robust harvests.

wetanddry
wetanddry
wetanddry

Why Choose Us

At GreenThumbDepot, you're not just another sale to a faceless corporation. You're partnering with a team genuinely invested in your success. Our legendary customer service, combined with a promise of unbeatable prices, sets us apart. We're here for you, always.

wetanddry
Excellent 4.8 out of 5 based on 1,247 reviews
If I could rate 6 stars I would!
If I could rate 6 stars I would! My representative Edouard B. has been shockingly responsive! Like - oh my god - an actual SERVICE oriented company. He's dug into my odd connectivity issues I've been having - and following up in an AMAZINGLY timey manner. No shit. You'll be impressed! (And the price was also unbeatable, quick shipping...it's all PERFECT). Thank you Ed!!
Jim D
Customer service was outstanding great…
Customer service was outstanding great people to deal with they understand your needs and they will do their best to fulfill them there is no way I can complain about them because they are the best help out there.Thanks green thumb depot. I’ll definitely order from them again
Glenn Appleton
The machine is doing just what my…
The machine is doing just what my salesman told it would do (I appreciate you Ed thank you) . The machine is what we need for our new business we’re starting up, soon to be llc and licensed. We are getting a lot of clients wanting our services. Ed I will be needing more of your products, thank you again.
Freddie
Fantastic
Great prices, fantastic customer service, and mind blowing shipping! Incredible. Will be using again and telling anyone in need.
Kar
←
→


Why Thousands of Growers Choose to Work Exclusively with Greenhouse with plants

Green Thumb Depot Logo

Them Green Thumb Depot Logo

icons-no Support
icons-no Nearly impossible to reach a real person. Endless chatbot loops, auto-replies, and unreturned emails.
icons-no Real humans. We answer quickly. Always here, always helpful
icons-no Order Processing
icons-no Orders often sit for days before being acknowledged. No clear confirmation, updates, or timelines.
icons-no Orders are processed immediately. You'll receive confirmation, tracking, and real-time updates within hours.
icons-no Shipping
icons-no Slow, vague, and unoptimized. Basic carriers, minimal tracking, and delayed delivery windows.
icons-no Fast, insured, and fully trackable shipping — optimized for speed and visibility every step of the way.
icons-no Pricing
icons-no Hidden fees, bait and switch tactics, post purchase price increases.
icons-no Our relationships guarantee the lowest prices. Transparent and fair. No surprises at checkout, and no shady tactics after the sale.
icons-no Returns & Warranty
icons-no Hidden fees, bait and switch tactics, post purchase price increases.
icons-no Clear, honest, and fast. Our return policy is built to protect your investment, not dodge responsibility.
icons-no Support
icons-no Frustrating automated responses
icons-no Fast, helpful and always supportive
icons-no Order Processing
icons-no Delays and lack of communication
icons-no Instant processing and updates
icons-no Shipping
icons-no Slow, unreliable and delayed service
icons-no Fast, insured, trackable shipping
icons-no Pricing
icons-no Deceptive pricing practices
icons-no Lowest prices, no surprises
icons-no Return & Warranty
icons-no Frustrating, misleading return policies
icons-no Clear, honest return policy

FAQ Section

What is Cronk Nutrients Bonnie?
Cronk Nutrients Bonnie is a premium vegetative stage fertilizer designed specifically for autoflowers. It features a balanced NPK ratio of 6-5-4 and essential micronutrients to support healthy growth.
Can Cronk Nutrients Bonnie be used for all plants?
Yes, Bonnie is suitable for a wide range of plants, including vegetables, fruits, and flowers, making it a versatile option for growers.
What growing mediums can I use with Cronk Nutrients Bonnie?
Bonnie is compatible with soil, hydroponics, and coco coir, offering flexibility for any growing setup.
Is Cronk Nutrients Bonnie designed for specific growth stages?
Yes, Bonnie is specifically formulated for the vegetative stage of autoflowers, providing the nutrients needed to build a strong foundation for flowering.
How should Cronk Nutrients Bonnie be applied?
Bonnie is easy to mix and apply. Simply follow the recommended feeding schedule and adjust based on your plant’s specific needs during the vegetative stage.
Is Cronk Nutrients Bonnie suitable for beginners?
Yes, Bonnie is user-friendly and perfect for both beginners and experienced growers, ensuring healthy, vigorous plants with minimal effort.
Can Bonnie be used alongside other Cronk Nutrients products?
Absolutely. For optimal results, pair Bonnie with CalMag during the vegetative stage. Once the plants transition to flowering, switch to Clyde Autoflower Bloom Fertilizer for best results.

Specs & Dimensions

Weight According to selected size
Brand Cronk Nutrients
Spec Sheet PDF
Brand Cronk Nutrients
Total Nitrogen (N) 6%
Ammoniacal Nitrogen 3%
Nitrate Nitrogen 3%
Soluble Potash (K2O) 4%
Available Phosphate (P2O5) 5%
Copper (Cu) 0.01%
Chelated Copper (Cu) 0.01%
Iron (Fe) 0.025%
Chelated Iron (Fe) 0.025%
Manganese (Mn) 0.01%
Chelated Manganese (Mn) 0.01%
Zinc (Zn) 0.01%
Chelated Zinc (Zn) 0.01%

Items in the box

Cronk Nutrients Bonnie Autoflower Vegetation Fertilizer base (6-5-4) (in selected Size)

Warranty & Returns

Cronk Nutrients stands behind the quality and effectiveness of their products. While Cronk Nutrients is focused on providing premium, high-quality fertilizers, they do not typically offer a specific warranty on their nutrients. However, they ensure that their products are carefully formulated for reliability and performance.

For more information Click Here

>