How much sunlight does kale require daily?

Kale requires a daily light exposure of 4-6 hours of sunlight to grow at its best, but has an amazing ability to adapt to partial shade. This adaptability allows it to thrive in numerous garden scenarios. I have even grown kale successfully underneath trees and in balcony gardens! Light intensity has a significant impact on the flavor and texture of kale.

Heat control for sunny places. Any temperature above 80°F (27 °C) makes them bitter unless protected. I put up 30% shade cloth whenever a forecast shows temperatures above -75°F (24 °C). Make sure you have morning sun and afternoon shade for a perfect leaf. They will wilt if it's a heatwave.

Container growing changes light needs. My potted kale grows well with 25% less light than ground plants. When growing plants in small plots in containers or pots, rotate them weekly to ensure even exposure. My northern-facing balcony kale grows merrily in just three hours of morning light; they are very well-fed. You can increase the intensity of light by covering your clay pots with shiny white surfaces.

Measure sunlight accurately and easily at your site. "All the world's a stage" applies when the sun shines on the locations you're trying to grow food. Note the position of shadows every 2 hours from 8:00 a.m. to 4:00 p.m. and make your assessments accordingly. Anything that receives 4 hours or more of sun, I mark as prime spots for planting.

Sign of a light deficiency. Pale leaves and leggy growth indicate so. I usually add grow lights when starting indoors. Don't space uniformly in shade for optimal airflow. Your kale will do well! Adjust to your specific needs.

Read the full article: When to Plant Kale: Expert Timing Guide