· here is a step-by-step guide to propagating us, calibrachoa , from the plants perspective, explaining exactly what we need to successfully create new genetic copies of ourselves. Do not use overhead applications of alcohol-based iba solutions (ex. The best time to cut is early in the morning before heat and strong sunlight cause loss of moisture from the stems and foliage. Bottom heat temperature: Easily multiply your favorite plants and enhance your garden display with our guide. Cuttings will root in water or other mediums like peat moss or sphagnum moss, so you can use whatever you prefer or what is available. · you need sharp pruning shears, a small pot, and rich, moist, well-drained soil to propagate calibrachoa stem cuttings. · master calibrachoa propagation from cuttings. Another option is to apply an overhead heavy spray to the cuttings (penetrating the rooting media) using water-soluble k-iba at 250–300 ppm 24–48 ho. · these tiny darlings can grow from seed but cuttings of calibrachoa are the primary method of propagation. Calibrachoa plants were first collected wild in the late 1980s. It will take at least two months for cuttings to mature, so harvest them at the appropriate time. Rs after sticking. 72–74 °f (22–23 °c) for the. · learn how to propagate calibrachoa plants effectively using cuttings for vibrant blooms all season. · ge to the cutting. · take cuttings in spring from the healthiest and most vigorous calibrachoa plant in the garden to propagate million bells plants. Follow our step-by-step guide for success.