A site sloping to the north or east … All rhododendrons grow best in soils with a pH between 4.5 and 6.0. Read the plant tags and determine the optimum spacing for the rhododendrons you’ve purchased. They require a very well draining, porous, and acidic soil. Unfortunately, growing rhododendrons in the South can be quite a challenge, unless you follow Grumpy's expert advice. On the east and west coasts of Canada, rhododendrons and azaleas flourish. If you grow cuttings, you will need to grow the cuttings for 1-2 weeks in water so they can … They bloom but are not happy (except for one azalea). Hardy and low maintenance, evergreen Rhododendrons flower reliably in summer and provide a hint of color throughout the winter months. I love azaleas and rhodies, but azaleas in particular don't do well here. Azaleas and rhododendrons grow best in well-drained soil that is acidic. Beautiful, beautiful photos. Start with a bottom drainage layer made with clay marbles or pebbles, maybe an inch thick. Their Asian counterparts, like 'Hershey's Red' and 'Formosa,' are dense and mounding, non-fragrant, with evergreen leaves from 1 to 2 inches long. Our soil is so acidic it isn’t necessary to add rhodo fertilizer.It is most important not to plant too deeply. One final important consideration- choose a site protected from the wind. Water until the first hard frost. I asked Donna for a few notes on pruning and potentially moving rhododendrons. I used to grow them, but they weren't happy with the tough love regime they were subjected to, and the bugs that suck the moisture out of the leaves were happy and thrived. The world's most glorious rhododendrons grow in Seattle, Ireland, England, New Zealand, and other places in the Goldilocks zone where it's not too hot, not too cold, but just right. What's great about these flowers is that sometimes even during the cold, winter months, their leaves will stay green! Peep #1 will definitely be going to Truro this June. Yes, you can remove the yellowing or brown leaves, since those leaves won’t recover. This garden, which is now managed by Melbourne Parks and Waterways, was developed by the Victorian branch of the Australian Rhododendron Society (see contact details below). Rhododendron Society folks turn up their noses at such "common" types, but in Grumpy's never-humble opinion, a live common plant beats a dead special one. © Copyright 2020 Meredith Corporation. Create an account or log in. The ones that are hardy in my area now are the deciduous azaleas. The zone chart seems to focus on winter temps. There are low-growing ground cover azaleas, plants that grow from 1 to 2 feet, as well as plants that can grow up to 25 feet tall. I made a half-hearted attempt to amend my soil, stood back and hoped it would just do its own thing. The. Many an azalea or … Well worth a visit! Hello, Jennifer! Rhododendrons need moist, acid, loose, well-drained soil that contains a good bit of organic matter. In both northern and southern climates, Rhododendrons are popular landscaping plants. Adding to the surreal setting a, | If the water does not drain quickly, select an alternate location. They’ll thrive in acid soil but, if you garden on chalk, they’ll flourish in pots, too . Best Health Updated: Aug. 21, 2009. Autumn planting has the benefit of giving them time to settle in and grow new roots before winter, so they are well-established by spring and can really start putting on … In drought I water as they are shallow rooted. My ideas. My plants. I love to hear from you. When you are planting rhododendrons in zone 5, you need to recognize that rhododendrons have very specific growing requirements. Some azalea varieties can grow to 10 feet high and some rhododendrons will reach 15 feet high when fully grown 3, so make sure there is enough space for your particular variety to grow. You can also take stem cuttings from existing rhododendrons and plant them to grow a new plant. I have a few. Hubby was the cleaning up afterward when he came to me with a rather trampled looking shrub in his hand. Mulch your plants with pine needles, oak leaves or wood chips to guard against temperature extremes. The larger the leaf, the less sun is required. The Society recommends digging a hole and filling it with water. Jody Horton. Choose heat-tolerant kinds. ):Did the lady say where she lives? Where to grow Rhododendrons should be planted where some sun is available to encourage bud formation and compact growth. Dig a hole that’s wider than it’s deep and back fill with leaf mould and … What lovely photos. Isn't she purty? To lower soil pH use wettable sulfur or ferrous sulfate. 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