• Soak fall-planted bulbs for 12 hours in warm water before planting. Soaking allows suitable bulbs to absorb enough water to begin growth immediately, saving two or three weeks of time.


  • Water well to settle the soil around the corms. A light mulch that helps hold soil moisture, but does not lean against the stems (can promote stem rot) is often helpful. Crocosmia corms can take 3-5 weeks to begin to sprout depending on soil temperature and moisture levels.

    Furthermore, should I soak gladiolus bulbs before planting? Gladiolus grows from underground, bulb-like structures referred to as corms. In his book Growing Flowers for Profit,, Craig Wallin recommends soaking the corms in plain tap water a day before planting.

    Additionally, which way up do you plant Crocosmia bulbs?

    Crocosmia corms are swollen underground stems that store food for the plant. They reproduce rapidly and often will be found in large clumps. To separate the corms, just twist them apart. When planting, place each corm 2 inches deep and 3 inches apart with the bulls-eye mark facing up.

    How do you separate Crocosmia bulbs?

    How to Split a Crocosmia

    1. Loosen the soil to a 12-inch depth around the crocosmia clump with a trowel or handheld garden fork, but avoid piercing the corms as you work.
    2. Rinse the roots off with a gentle stream of water so the corms are easily visible.
    3. Work a 2-inch layer of compost into the top 6 inches of the garden bed with the trowel.
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