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Growing Bearded Irises These majestic flowers are surprisingly easy to grow, and actually require less attention than almost any other garden flowers. Your iris roots will arrive already growing in a small pot, with this spring’s growth beginning. When you plant, you'll find the root is not really a bulb, but what is called a rhizome--an irregularly shaped bulbous root that grows at a right angle from the foliage. Simply plant the iris as it is, with the top of it showing through the soil surface. Bearded irises grow best with the tops of their rhizomes exposed. Once planted, new foliage and the flower spikes will sprout strongly from the rhizome. What’s more, this summer, you'll notice the rhizome multiplying for even more flowers as years go by.
|Common Name||Re-blooming Bearded Iris or German Iris|
|Botanical Name||Iris germanica|
|Zones||3, 4, 5, 6, 7, 8, 9|
|Light Requirements||Full Sun|
|Mature Height||30-33" tall|
|Estimated Mature Spread||Plant rhizomes 12-24" apart|
|Bloom Time||Mid to late spring and again in early to mid fall|
|Planting Depth||Iris should be planted so the tops of the rhizomes are exposed and the roots are spread out facing downwards in the soil. Make sure not to plant the rhizomes too deep.|
|Ships As||Potted Plant|
|Planting Time||Spring / Summer|
|Soil Type||Sandy Soil, Loamy Soil, Clay Soil|
|Soil Moisture||Average, Well Draining|
|Advantages||Deer Resistant, Easy to Grow, Multiple Blooms / Harvest|
|Ships to Hawaii, Alaska & Canada||No|
Shipping begins in late March based on ground temperatures, warmest zones first.
As soon as your order is placed you will receive an order confirmation email that will include your shipping information. We ship perennials and spring-planted bulbs at the proper planting time for your hardiness zone. Perennials and spring-planted bulb orders will arrive separately from seeds. If your order requires more than one shipment, there is no additional shipping charge. See our shipping information page for approximate ship dates and more detailed information. If you need express shipping or have any questions, please call Customer Service toll-free at (877) 309-7333 or contact us by email.
You will receive a second email the day your order ships telling you how it has been sent. Your order is scheduled to arrive at your door, fresh and ready to plant, usually within 3-5 days of leaving our warehouse, depending on your shipping address. We pack our plants to withstand up to 10 days in transit, in the event transit is delayed. We cannot guarantee arrival on a specific day. Please make sure to open your package upon receipt and follow the instructions included.
To determine if a plant is sufficiently cold hardy, the USDA created numbered zones indicating winter low temperatures; the lower the zone number the colder the winter.
Enter your Zip Code to find your USDA Planting Zone
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