Should I Top/Prune Autoflower Strains? 🌿✨Updated 3 months ago

Topping is a common cannabis training technique where you cut off the main stem tip to encourage side branches and create a bushier plant. While this works well with photoperiod strains, it’s not always the best choice for autoflowers.

Why topping isn’t usually recommended for autos 🚫✂️

Autoflowering strains have a short life cycle (usually 8–12 weeks). Since they transition into flowering automatically, they don’t have much recovery time after being topped. Stress from topping can slow growth and reduce yields.

When you might top an autoflower 🌱

Some experienced growers top autoflowers successfully, but timing is critical. If you top, it should only be:

• Done very early (around week 2–3, when the plant has at least 4–5 nodes).

• On a strong, healthy plant with vigorous growth.

• Combined with low-stress training (LST) to spread out branches.

Safer alternatives to topping 💡

Most autoflower growers prefer gentler methods to boost yields, such as:

• LST (Low-Stress Training): Bending and tying down branches to open up the canopy.

• Defoliation (light): Removing a few large fan leaves to improve airflow and light penetration.

• Proper environment & feeding: Healthy plants naturally produce better yields without aggressive training.

If you’re new to growing or want to maximize success, skip topping your autos and stick to low-stress training. Save topping for photoperiod plants, where you have more control over veg time and recovery.