Astilbe enjoys mild weather and a moist soil environment. When you are considering growing astilbe from bare roots, remember that bare root plants are also less likely to be damaged during shipping. Sign up to get all the latest gardening tips! For tips on how to apply pesticides and add mulch to your astilbe plant, read on! Planting an astilbe in a metal container Astilbes need to grow in a dappled or part shady location in moisture retentive soil to thrive. This means that it comes to you without the root ball, and that all the soil it was growing in has been cleaned off the plant. Remove the mulch during early spring, just … Take the parent Astilbe plant with both hands and gently divide the rhizomes by identifying the “eyes,” and pinching off pieces of root with 3-5 eyes. Planting. The Astilbe plant is a perennial with fern-like foliage and colourful, feathery blossoms. In the fall, Astilbe leaves turn yellow after the first frost. Astilbes thrive in shady areas that other plants can't handle. Your support helps wikiHow to create more in-depth illustrated articles and videos and to share our trusted brand of instructional content with millions of people all over the world. Astilbe tends to brown out during shipment and has to reflush once it is planted. Fertilize. Tuck your astilbe plants with the roots fanned slightly and pointing downwards, and with the eyes or growing points about an inch below soil level. Astilbe are indigenous to North America and Europe, in the northern areas where weather is cool and wet. The hole should be deep enough to accommodate them, but the uppermost root should be just below the soil surface. The eyes will have small shoots growing from them, like a forgotten potato that starts to sprout after a few weeks. There are different cultivars to choose from, and with the proper propagation technique, you can easily create more of your favorite plants and have more of this … This article has been viewed 91,808 times. the bulbs prior to planting was an important step I had not seen anywhere else. These attractive flowers make great companions for other shade tolerant plants, such as hosta and hellebores, for contrasting foliage and coordinating blooms. As long as the roots and crowns are not mushy (which could happen if they got cooked during shipment in hot weather) they will be fine. If you are planting bare-root plants, make sure the holes are twice as wide as the plants and 4 to 6 inches deep. By signing up you are agreeing to receive emails according to our privacy policy. Discard any dead or diseased portions of the rhizomes. Root growth will begin almost immediately. You should never allow them to dry out. Astilbes thrive in shady areas that other plants can't handle. Growing Tips. They can however tolerate more sun, as long as the soil doesn’t dry out, so make good plants for a bog garden or waterside planting. Since astilbe spreads easily, a better way to get new transplants is to divide mature plants. Make a mound of soil in the center of the hole as the photo above shows. ), also called false spirea, for a splash of color in a shade garden or on a shady or partly sunny porch or patio.These plants grow anywhere from 6 to 36 inches tall and 12 to 24 inches wide, so you can find the right fit whether you want a compact variety for a small pot or a sprawling cultivar in a large planter. Regional Advice and Care. It is easier to plant divisions from other astilbe plants. ", absolutely preferred. Make sure that the soil in that area is humus-rich and well-draining. Typically propagated from root divisions, astilbe can be planted in early spring. Begin the layer at least 3 inches from the plant's base to allow air to flow freely. Get expert advice. If there is any resistance, use your spade or fork to loosen the dirt some more. To grow an Astilbe plant, start by removing a full-grown plant from the soil and cutting off a large portion of its roots with gardening shears. You can also grow astilbe from seeds or bulbs, but be aware this takes much longer than using a full-grown plant. After planting, water well to settle the soil around the roots. Where to Plant your Astilbe Roots: Plant your Astilbes in a location protected from full sun - Astilbes can't survive the heat of the full sun. Rake the fertilizer into the soil two weeks before you plant, or sprinkle a few granules onto the soil after the astilbe has been planted. wikiHow marks an article as reader-approved once it receives enough positive feedback. Sign up for our newsletter. Fill in the hole with the dirt you removed, pressing it into place. Likely the focal point of your shady summer flower bed, astilbe flowers can be recognized by their tall, fluffy plumes that tower above frilly, fern-like foliage in the shade garden. ", answered that question and gave a thorough explanation of the plant's needs.". Rather than giving small watering every day, give a heavy watering every few days. 7. Consider conducting a drainage test. If you are in the US, Astilbes grow best in USDA hardiness zones 3-9. Fill in the hole with the dirt you removed, pressing it into place. When to Plant your Astilbe Roots: Plant your Astilbe roots in the Spring. New plants are almost always grown from root divisions, rather than from seed, and both new and established plants thrive in thoroughly moist conditions. Sometimes it is sold bare root at that time. I picked two roots up at the store today and I have no idea… Q. Astilbe Amethyst Roots - I was wondering at what time of year I should plant them. Give the plant a generous drink, and water the soil regularly until the astilbe is established. This article has been viewed 91,808 times. It also told the reader "why" to do or avoid certain steps. References What can I do if my potted plants are beginning to look a little wilted? Astilbe plants need phosphorus to bloom, so choose a fertilizer with the makeup of 5-10-5 or 10-10-10. Excellent and detailed article. Spread out the roots in the hole. Their distinctive plumes of showy blooms offer something different that will stand out in your borders. Astilbe grows well in moist, fertile soil with a contribution to.... Each spring and fertilize in spring to be damaged during shipping supporting our work a... Perennial with fern-like foliage and colourful, feathery blossoms these roots indoors a bare root plants are beginning to a. Dig a hole in a metal container astilbes need to grow these roots indoors knowing how to astilbe. 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