Croup is also known as laryngotracheitis, a medical term that describes the inflammation of the trachea (windpipe) and larynx. Parainfluenza viruses are the typical root cause of the infection, but influenza (flu) and cold viruses may sometimes be responsible.
Harvest entire kale plants at 60 to 80 days after germination when they are full size and no longer growing larger. Gather the leaves of one kale plant upward and hold them in this position. Cut across the bottom of the plant, horizontally about 1 inch above ground level to harvest the entire plant for side dishes, main dishes, soups or stews. Place the plants in a container to transport them indoors for storage or use.
1 You can plant kale anytime from early spring to early summer. 2  If you plant kale late in the summer you can harvest it from fall until the ground freezes in winter. 3  Mix 1-Â½ cups of 5-10-10 fertilizer per 25 feet of row into the top 3 to 4 inches of soil.4  Plant the seeds Â¼ to Â½ inch deep into well-drained, light soil. If you plant kale late in the summer you can harvest it from fall until the ground freezes in winter. 2  Mix 1-Â½ cups of 5-10-10 fertilizer per 25 feet of row into the top 3 to 4 inches of soil. 3  Plant the seeds Â¼ to Â½ inch deep into well-drained, light soil.