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All of our currently available products are listed directly on our website. This includes seeds, accessories, and any promotional items we may be offering at the time. To see what’s in stock, please visit seedsupreme.com. Our inventory updates regula

What If I’m Looking for a Product You Don’t Sell?

Growing Cannabis

Strain Selection

Do you sell grow supplies or offer growing advice for beginners?

Why Are My Seedlings Growing Tall & Will They Fall Over?

Troubleshooting White Widow and Monitoring Gold Leaf Cannabis Plants

Addressing Issues with Hermaphroditism

Troubleshooting Low Rider Seed Germination Issues

Top Indoor Indica Strain Recommendation and Grow Advice

Do you provide grow advice for those new to cannabis cultivation?

Is Blackberry Mold and Pest Resistant?

Why Are Some of My Grandaddy Purple Plants Struggling While Others Thrive?

Why Did My Seedlings Die After Planting?

How Much Effort Does It Take to Grow Cannabis?

Where Exactly Do I Top a Cannabis Plant at 4–5 Nodes?

🌱 Why Did My Autoflower Plants Only Grow 8 Inches Tall?

🍂 Why Does My Cannabis Plant Have Brown Spots or Streaks?

⏱️ How Long Does It Take to Grow Autoflower Seeds?

How to Use Happy Frog® Potting Soil for Growing Cannabis

Why Do My Cannabis Buds Look Knotted and My Fan Leaves Underdeveloped?

Understanding Cannabis Strains: Indica vs. Sativa vs. Hybrid

Selecting the Right Strain for Your Needs

Considerations for High-CBD vs. High-THC Strains

How to Choose Strains Based on Growing Conditions

What Sativa Strain Should I Buy?

What's the Best Indica Strain for Me?

What Landrace Strains do you Sell?

Which High THC Seeds Should I Buy?

What Strains do you Sell?

Do I have to use all the seeds in my order at once?

What is the smallest quantity of seeds I can purchase?

How can I identify my cannabis strain from its packaging?

What cannabis strains would you recommend for specific effects or environments?

Best Cannabis Seeds for Indoor Growing with High THC, Medium Height & Easy Cultivation

Best Feminized Autoflower Seeds for CBD-Rich Cannabis Liniment

How to Choose the Best Strain for Easy Outdoor Cultivation

Understanding Tropicana Cookies Purple Feminized Strain Variations

Best Cannabis Strains for Hot, Humid Coastal Growing

Can I Grow White Truffle x Ice Cream Seeds in Northern New York?

Best High-Yielding Hybrid Cannabis Strains for Outdoor Growing in Virginia

Is Granddaddy Purple in Stock?

Are the Autoflower Seeds Feminized?

Types of Cannabis Seeds

Germination Guide: Step-by-step

Understanding Cannabis Seed Viability: Common Questions and Answers

Creating Optimal Germination Conditions for Cannabis Seeds: Questions and Answers

Troubleshooting Common Cannabis Seed Germination Mistakes

Cannabis Seed Storage Tips: Questions, Solutions, and Best Practices

Types of Cannabis Seeds copy

Do the seeds come with a germination guarantee?

What do I do if my seeds don’t germinate?

Germination

Transplanting Seedlings: Best Practices

Lighting for Seedlings

Watering Techniques for Cannabis Seedlings

Nutritional Needs of Cannabis Seedlings

5 Signs of Healthy Cannabis Seedlings

Managing Stress in Seedlings

Seedling Stage

Overview of the Vegetative Stage

Nutrient Requirements for the Vegetative Stage

Soil and Hydroponics for Vegetative Growth

Training - Topping and Low Stress Training (LST)

Maintaining Plant Health During the Veg Stage

Pest Prevention in the Vegetative Stage

Recognizing Signs of Stress in Vegetative Plants

Importance of Light Cycles in Vegetative Growth

Vegetative Stage

Triggering the Flowering Stage

Identifying Male and Female Cannabis Plants

Nutrient Requirements During the Flowering Stage

Light Schedules for Flowering Plants

The Importance of Pruning in the Flowering Stage

Common Issues in the Flowering Stage

How to Increase Yield During the Flowering Stage

Understanding When it's the Right Time to Harvest Cannabis

Why Are My LSD Feminized Plants Flowering Early and Growing Unevenly?

Flowering Stage

What Are the Key Signs That My Cannabis Plant Is Ready for Harvest?

What Tools Do I Need to Harvest Cannabis?

What Are the Different Techniques for Cutting and Trimming Cannabis Plants?

How Do I Time the Harvest to Ensure Maximum Potency?

Why Is Post-Harvest Handling Important for Cannabis?

What Steps Should I Take to Prepare for Post-Harvest Processes?

Are there any methods to lower THC levels during cannabis cultivation?

Harvesting

How Do I Ensure Cannabis Dries Properly?

How to Store Curing Cannabis Properly

What Are the Indicators of a Successful Cannabis Curing?

Why Is Long-Term Cannabis Curing Important?

What Are the Ideal Environmental Conditions for Drying Cannabis?

What Are the Consequences of Drying Cannabis Too Quickly?

Why Is Monitoring the Drying Progress Critical?

How Long Should the Cannabis Drying Process Take?

Why Is Mold Prevention Critical During the Cannabis Drying Process?

What Is Cannabis Curing and Why Is It Important?

Step-by-Step Cannabis Curing Guide

Why Is Proper Humidity Control Crucial During Cannabis Curing?

Drying and Curing

How Do I Start Setting Up an Indoor Cannabis Grow Room?

What Are the Best Practices for Indoor Cannabis Growing?

What Equipment Is Essential for Indoor Cannabis Cultivation?

How to Troubleshoot Common Mistakes in Indoor Cannabis Growing

Why Is Odor Control Important in Indoor Cannabis Grows?

Why Is Airflow and Ventilation Crucial in an Indoor Grow Room?

Indoor Growing

Why Is Planning an Outdoor Grow Space Important?

Why Is Location Crucial for Outdoor Cannabis Grows?

How Can I Protect My Outdoor Cannabis Plants from Pests and Wildlife?

What Are the Key Seasonal Considerations for Growing Cannabis Outdoors?

What Are Organic Methods for Growing Cannabis Outdoors?

How Do I Know When to Harvest Outdoor Cannabis Plants?

🌿 Can I Grow Northern Lights Seeds Outdoors?

Outdoor Growing

Understanding Primary Nutrients: N-P-K

Soil Amendments for Healthy Cannabis Plants

How to Use Fertilizers Effectively for Healthy Marijuana Plants

Importance of pH Balance for Growing Cannabis

Nutrient Flush: When and How to Do It

Recognizing Nutrient Deficiencies in Cannabis Plants

Over-Fertilization Consequences and Remedies

Nutrient Instructions

Plant Protectants

Nutrient Management

Identifying Common Pests and Their Control in Cannabis Cultivation

Organic Pest Control Methods for Cannabis Cultivation

Understanding Fungal Diseases in Cannabis and Prevention

What Is a Pest Management Plan?

Why Is Plant Health Monitoring Crucial?

What Is Integrated Pest Management (IPM)?

Why Is It Important to Recognize Early Signs of Pest Issues?

Pest and Disease Control

Managing Temperature and Humidity

Ventilation Systems for Indoor Grows

Effective Use of Grow Lights

The Importance of Environmental Consistency

Tools for Monitoring Environmental Conditions

Seasonal Adjustments for Outdoor Grows

Environmental Control

The Pros and Cons of Different Grow Lights

Understanding Light Spectrum and Its Importance in Growth

Light Schedules for Different Cannabis Growth Stages

Setting Up and Maintaining Light Systems for Indoor Cannabis Grows

Optimizing Light Placement for Maximum Yield

Lighting

Best Practices for Harvesting Cannabis

Post-Harvest Handling and Processing Cannabis

Long-Term Storage Methods for Cannabis

Understanding Terpenes and How to Preserve Them

Packaging and Branding Your Cannabis Products

Why Your Cannabis Plants Didn’t Produce the Desired Potency or Aroma

Harvest, Post-Harvest, and Storage

Ask Rusty

Ask Nana

Ask Doug and Jen

How should I manage watering if the soil remains moist for an extended period?

What kind of soil should I use with my organic growing kit?

Ask Our Growing Experts

Can I edit my order?

Missing items? Faulty? Damaged? Incorrect order?

My seeds didn't germinate? What should I do?

How do I track my order?

My order tracking says delivered but it hasn’t arrived

Once I place my order, can I change the delivery address?

Do you offer any discount codes?

How to Leave a Review?

How to Leave a Review? copy

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Free seeds

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What pack sizes do you offer?

Do you offer Mix Packs?

Are breeder packs in original packaging?

How Much do your Seeds Cost?

How do I add an order placed before account creation to my account for review?

How can I leave a review and share pictures of my grow?

How does the free seed offer work?

Will Organic Flowertime Fertilizer Be Restocked?

Order

Can I change my shipping address?

Where is my tracking number?

What are your delivery options?

How much does shipping cost?

Where is my order?

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Do you offer discreet shipping?

Do you deliver to P.O. Boxes?

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What to Do If You Think Your Package Is Lost

Delivery

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How long do payments take to process?

I want to pay with a phone call, how do I do it?

Payment

What If I’m Looking for a Product You Don’t Sell?Updated 11 days ago