Table of Contents
Autoflower Feeding Schedule (Outdoor Guide)
If done properly, an outdoor autoflower feeding schedule can help produce outstanding yields. However, if neglected, your autoflowers may not live up to their fullest potential. Beginners make two kinds of mistakes – over or underfeeding the plants – both can greatly affect their health.
My advice is to keep a controlled feeding system and monitor it carefully, making small changes accordingly. With that in mind, the following guide will help you understand how to create the proper outdoor autoflower feeding schedule.
Read More Article: Best Outdoor Strains for Cold Climates (Top Autoflower Picks for Harsh Weather 2026)
Weekly Outdoor Autoflower Feeding Schedule
| Week | Stage | Feeding Level |
|---|---|---|
| 1–2 | Seedling | Very Light |
| 3–4 | Vegetative | Moderate |
| 5–6 | Early Flower | Increased |
| 7–8 | Full Flower | High |
| 9–10 | Flush | Water Only |
💡 Tip: Always start light and increase gradually.
What Is an Outdoor Autoflower Feeding Schedule?
Outdoor autoflower feeding schedule tells you:
✔ when to feed
✔ how much to feed
✔ what nutrients to use
Timing matters the most for autoflowering plants.
Read More Article: Top 10 Highest Yielding Strains Outdoor (Massive Harvest Guide for 2026)
Seedling Stage (First 1-2 weeks)


At this point in time:
✔ minimum nutrients required
✔ emphasis on root formation
👉 Overfeeding is the number one mistake here.
Vegetative Stage (week 3-4)
This is the time for active growth:
✔ add nitrogen
✔ moderate feeding
👉 This will define the plant’s structure.
Flowering Stage (weeks 5-8)


Increase nutrients containing:
✔ phosphorus
✔ potassium
✔ decrease nitrogen
👉 Yield will develop during this phase.
🚿 Flush Stage (last weeks)
Stop adding any nutrients. Only water.
👉 Will boost quality and flavor.
Read More Article:Top 10 Highest Yielding Strains Outdoor (Massive Harvest Guide for 2026)
Top 5 Products for Outdoor Feedings
💡 1. Mars Hydro Equipment
✔ ideal for beginning stages of growth
✔ consistency in growth boost
💡 2. Spider Farmer Lighting
✔ ideal for seedling stage
✔ improvement in early growth
💡 3. Royal Queen Seeds
✔ stable genetics
✔ stable growth
💡 4. Seedsman
✔ variety of options
✔ outdoor-friendly varieties
💡 5. Nutrient Kits
✔ balanced feeding schedule
Feeding Comparison Table
| Stage | Nutrient Type | Frequency |
|---|---|---|
| Seedling | Light nutrients | 1x/week |
| Vegetative | Nitrogen-rich | 2x/week |
| Flowering | PK nutrients | 2–3x/week |
| Flush | Water only | Daily |
💰 Price Comparison (Global)
| Product | USD | EUR | GBP | CAD | AUD |
|---|---|---|---|---|---|
| Nutrient Kit | $40 | €37 | £32 | CAD 55 | AUD 60 |
| LED Light | $150 | €140 | £120 | CAD 200 | AUD 210 |
| Seeds Pack | $30 | €28 | £24 | CAD 40 | AUD 45 |
Royal Queen Seeds – Feeding schedules should be adjusted based on plant stage.
⚠️ Top 5 Outdoor Autoflower Feeding Mistakes
- Overfeeding
- Incorrect schedule
- Ignoring plant
- Imbalance in nutrition
Conclusion
Outdoor autoflower feeding schedule is a crucial part of any grower’s process, if done correctly can bring excellent results.
Read More Article: Best Autoflower Cannabis Seeds for Beginners (Easy Grow Guide 2026)
What is the best outdoor autoflower feeding schedule?
A gradual feeding plan that increases nutrients during growth and reduces during flush.
How often should I feed outdoor plants?
Typically 1–3 times per week depending on stage.
Can I overfeed autoflowers?
Yes, and it can stunt growth quickly.














