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Garden Soil. Your beardless irises will thrive in a good garden loam with added organic matter such as humus or compost. An acid soil is preferred, but Japanese irises are the only beardless irises that require an acid soil. A pH of 5.0 to 6.5 is needed for optimum Japanese iris performance.
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Good drainage is critical: Irises prefer “wet feet, but dry knees.” They will not tolerate wet soil in winter. Learn more about preparing the soil for planting and organic soil amendments. When to Plant Irises. Plant most irises in late summer to early fall, when nighttime temperatures remain between 40° and 50°F (4° and 10°C) or above.
Oct 6, 2023 · Irises grow well in hot summers and can withstand winter temperatures down to -25. Most iris varieties can handle winter temperatures down to -25 degrees and all irises can handle hot summers. But some, particularly from the bearded family, will wilt in temperatures that are consistently above 90.
Growing Irises: Planting and Caring for Your Irises. Bearded irises are quite easy to care for. They’re native to semi-arid regions and are very drought-tolerant. Here we’ll show you how to plant them and give them what minimal care they need. This is a step that is often overlooked.
How to water and feed Iris. Keep the soil evenly moist. Mature plants are drought-tolerant. Mulch around plants in dry weather to conserve soil moisture. Mulch with aged compost or chopped leaves. Fertilize the iris by adding all-purpose to the soil around plants in spring. Mulch with aged compost to feed the soil.
Irises are extremely versatile in the garden, with species that can tolerate soggy soil, part shade, full sun, and even drought. With over 300 species offering an astounding array of colors and sizes to suit most floral projects.
Oct 12, 2023 · Iris care requires attention to soil preparation, feeding, weed control, watering, and pruning. By following these essential steps, you can ensure the healthy growth of your irises and enjoy their stunning blooms.
