when to fertilize irises

Best answer

Early spring

People also ask

  • Do IRIs need fertilizer?

  • A well-positioned iris needs little-to-no fertilizer, while other iris plants may need a light application of fertilizer in spring to support their blooming, particularly if the plant is in a bed with poor soil. Overfeeding is a threat to even the healthiest iris plant.

  • When to transplant iris plants?

  • 1 Signs You Need to Transplant Iris. There are a few signs that you should consider dividing iris plants. … 2 When to Transplant Iris. The best time when to transplant iris is in the summer, after the iris have finished blooming, up until fall. 3 Steps for Dividing Iris Plants. … 4 Steps for Transplanting Iris. …

  • How do you fertilize a bearded iris?

  • Amend the bed with a 2-inch-thick layer of compost worked into the top 8 inches of soil. Transplant the iris rhizomes 12 inches apart and 1/2 inch deep. Fertilizer is only one part of caring for bearded irises in the garden.

  • When should I fertilize my Side dress irises?

  • Fertilizing Established Beds. Side dress irises in early spring with 1 to 2 tablespoons of 5-10-10 fertilizer, just as new growth appears. You can give the irises a second feeding after the blossoms fade, if you’d like.

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