← All Cannabis Growing Guides

💡 Cannabis Lighting Guide

23 free guides on cannabis lighting — from beginner to expert level

23 Guides: Lighting

Intermediate

Avoid light burn and adjust intensity

Avoid light burn and adjust intensity: yellow tips and bleached areas are warning signs — gradually increase intensity, …

Intermediate

Compare the efficiency of different light sources

Compare cannabis lighting efficiency: top LEDs reach 2.8–3.0 μmol/J, standard HPS 1.3–1.5 μmol/J — cost-benefit analysis…

Intermediate

Light cycles for autoflower vs photoperiod varieties

Light cycles for cannabis: photoperiodic varieties need 12/12 to flower, autoflowers bloom on 18/6 or 20/4 — all differe…

Intermediate

LED spectrum optimisation for different growth phases

LED spectrum for cannabis: blue light 400–500nm drives vegetative growth, red 600–700nm promotes flowering — optimise sp…

Intermediate

Calculate and apply PPFD correctly

PPFD for cannabis: seedlings 200–400, vegetative 400–600, flowering 600–1000+ μmol/m²/s — photosynthetic photon flux and…

Intermediate

LED vs. HPS: lighting in comparison

Modern LED technology versus proven HPS systems. Efficiency, costs, spectrum and yields objectively compared.

Intermediate

LED efficiency: minimise electricity costs with maximum performance

Understanding and optimising LED efficiency saves hundreds of euros in electricity costs in the long term. Efficiency ca…

Intermediate

Avoid heat build-up with LED grow

Avoid LED heat build-up: without sufficient airflow, heat accumulates under the panel — control distance, optimise air c…

Intermediate

Optimum distance between lamp and plant

Correct lamp-to-plant distance: LED panels 30–45cm, HPS lamps 45–60cm from plant tips — prevents light burn and maximise…

Dynamic lighting control in the indoor grow

Find out how dimmable LED systems and intelligent control for cannabis provide an optimal, dynamically adjusted light sp…

Efficient light distribution & shadow management

Optimum use of light in soil cultivation: Reduce shadows and provide optimum lighting for every plant with reflectors, d…

Pulsating light in hydroponics: Intermittent cycles

Intermittent light cycles in hydroponics: scientific background and practical implementation of pulsating light for opti…

Adaptive lighting control in Coco cultivation

Adaptive lighting in coco cultivation: dynamic dimming and spectral adjustment create optimum conditions for the rapid p…

Light spectrum variations in cannabis cultivation

Explore how different light spectrums can influence and optimize the growth and yield of cannabis plants.

Understanding light conditions in outdoor cannabis cultivation

Learn how natural light cycles and solar radiation in outdoor cultivation influence the growth phases of cannabis plants…

Light cycle optimization for coco cultivation

Optimization of light cycles for maximum growth and yield in coco cultivation. Focus on specific light requirements of t…

Keep the dark phase light-tight and interference-free

Light leaks in the indoor grow: detect, evaluate and eliminate them to protect the dark phase for reliable flowering in …

Using side lighting correctly in the indoor grow

This guide shows when side lighting is useful for cannabis, how it can be integrated without overexposure and what limit…

Using microclimate light zones in the outdoor grow

How to select and evaluate the best sun position for cannabis outdoors: with the course of the day, seasonal position of…

Canopy-Map: Check PPFD uniformity correctly

This allows you to create and evaluate a PPFD canopy map in the indoor grow, identify edge fall-off and hotspots and sys…

Control DLI in Coco-Grow according to phase

How to use the Daily Light Integral correctly in Coco cultivation: combine photoperiod and PPFD per phase to control the…

Use Far Red specifically for daily margin control

How 730-nm Color Red is used in indoor grow specifically at the end of the day to control phytochrome signals without re…

Evaluate light uniformity with UGR and CV

This guide shows how to objectively evaluate the uniformity of your cannabis lighting with actionable metrics such as Un…