They are very tasty to slugs, so I always hold a few back in my greenhouse, just in case I lose my crop.
I sow a few kale seeds into a seed tray, and when they are about an inch tall, I separate them out. I plant each one into its own little module. When they’re 4-5 inches tall, I choose the best ones and plant them out in the garden. They are very tasty to slugs, so I always hold a few back in my greenhouse, just in case I lose my crop.