What Is The Best Fertilizer For Gladiolus. The corms are best planted around four inches under the surface with their growing parts pointing upwards and no closer than six inches from each other. Best add fertilizer in spring.
Mar 14 2020 Nitrogen promotes foliage leaf growth. Enrich a sunny planting area with a 3-inch layer of compost worked into the top 4 to 6 inches of soil. Flowering plants including glads.
Mar 09 2020 Nitrogen promotes foliage leaf growth.
Ready your garden by using a garden fork or tiller to loosen the soil to about 12 to 15 inches deep. Select a sunny site or container with good drainage protected from wind for Gladiolus planting. As soon as plants are 6 to 8 inches tall apply fertilizer such as 13-13-13 at the rate of 3 to 4 pounds per 100 square feet. First dig a trench about 8 inches deep.