![]() Like the Louisiana iris, Siberian irises don’t have “beards.” These beardless, water-loving hybrids are very hardy varieties and can grow in areas categorized under USDA Growing Zone 4 through 9. Plant them in partial to full sun to grow healthy plants. They like mild temperatures and slightly sandy, acidic soil and can grow from 12 to 60 inches depending on the hybrid. Louisiana IrisĪs its name suggests, these are most common in the Gulf Coast area. Originating from the Eastern United States, it grows in growing Zones 3 to 9. While it can tolerate full sun, it grows best when planted in partial shade.Īt just six to nine inches, it attracts bees and hummingbirds when it blooms between March and May. No more space for plants that need full sun? Try growing dwarf crested irises instead. It can be as tall as two feet when exposed to full sun and planted in USDA Growing Zones 6 to 9. The Dutch hybrid group produces small flowers that are either white, blue, or yellow.Ĭompared to other types, it doesn’t grow from rhizomes but from bulbs. One thing you might not like about bearded irises is that their foliage will become ugly and ratty when they’re finished blooming. If you want something even shorter, check out miniature dwarfs, which are only eight inches tall. This type can only grow up to 15 inches high. Then, there’s the dwarf bearded iris from the same cultivars. Planted in early fall in areas that get full sun, you can expect to grow plants as tall as two to three feet. These cultivars can survive in USDA Growing Zones 3 to 10. Perhaps the most common type, you’ll easily distinguish this variety for its downward-facing petals and its “beard.” To help with your search, here are the most common ones: Bearded Iris The final decision will depend on your preferences and your area’s growing zone classification. In case you don’t know, rhizomes are the underground stem from which irises grow.Īs mentioned, you will find many options when looking for iris varieties to plant and grow. The tell-tale sign that it’s time to plant iris bulbs is when nighttime temperatures hit anywhere from 40 F to 50 F and up. If given proper care and the right conditions, you can expect them to produce flowers anytime from February to May or June. If you do it this way, the rhizomes will have the most chance to get in the ground, settle in, and start growing roots.ĭepending on the conditions in your area, you might even be able to plant them in October, and they’d still have enough time to grow and bloom by summer. ![]() Generally speaking, the best months to plant iris bulbs are from July through September. What Is the Best Month To Plant Iris Bulb? Make sure it gets at least half a day of full sun or a full day of sun for more vibrant-colored flowers. When to plant iris bulbs? To get the best results, you’d want to plant iris bulbs between late summer and early fall. ![]() Like any plant, the key is knowing when to plant iris bulbs. ![]() Those new to gardening will find these perennial plants easy to grow. Irises are reliable and rugged plants that produce beautiful flowers in a rainbow of colors.Īnd with many species available, you’ll find a wide range of choices as to which variety to add to your garden. ![]()
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