Gladiolus Flower Fertilizer. These include nitrogen in the list - urea sodium nitrate ammonium sulfate phosphate of which - simple and double superphosphate bone meal potash the best - sulfate chloride and potassium carbonate fertilizers. Mar 09 2020 Flowering plants including glads arent treasured for their leaves.
Gladiolus can flower better with fertilizer depending on your soil conditions but you have to be judicious with how much you feed gladiolus as too much fertilizer can cause lots of lush foliage to grow at the expense of blooms. You can also plant in raised beds or in large containers. So most flowering plants need less nitrogen and more potassium.
They get full sun and seem to be spreading.
Wait a year and fertilize with a balanced 8-8-8 plant food in spring to encourage both foliage and bloom formation. In summer during heat waves or prolonged dry spells water in the evening without wetting the leaves. In Gladiolus growth the most important is three times of topdressing. You can also plant in raised beds or in large containers.