Points to consider for overwintering potted roses
A comprehensive introduction to the knowledge of potted roses, including the precautions for overwintering potted roses, with a detailed introduction below.
Winter is coming, and many rose enthusiasts move their potted roses indoors to overwinter. Before bringing them inside, for one-year-old seedlings with new branches taller than 30 centimeters, cut off 2/3; for those less than 30 centimeters, cut off 1/2; and for the very small ones, no cutting is needed. For older seedlings over two years old, cut strong ones by 1/2 and weaker ones by 2/3, leaving three to four strong main branches to concentrate nutrition.
After pruning, apply a tree protectant to the wounds to prevent infections. Bring them indoors before the potting soil freezes solid. During winter storage, avoid fertilizing and control watering to prevent drying out, with a room temperature of about 0°C being ideal. If conditions allow, dig a 60-centimeter-deep soil cellar, water thoroughly two days in advance, and then place the pots inside. Alternatively, remove the pot and trim the roots, removing 1/3 of the outer soil, and repot in the spring for vigorous growth. In very cold weather, cover with soil tightly, and in early spring when it gradually warms up, open for ventilation to prevent yellow buds.
For overwintering in a warm room, follow the same pruning method and let them freeze outdoors for a period of dormancy. Move them indoors at the end of November, first placing them in a low-temperature area to gradually thaw, then move them to a place around 10°C to wait for them to sprout. Then place them in a sunny indoor area, ensuring at least 4 hours of direct sunlight each day, with a temperature of about 20°C, light watering, loosening the soil, and during sunny middays, placing them outdoors in a sheltered, sunny spot to promote growth. When new buds develop into branches, water and fertilize appropriately, and after the buds appear, spray with a flower strengthener to promote strong buds, larger petals, vibrant colors, fragrant flowers, and extended blooming periods. (Earth)
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