‘But there is a group of rhododendrons called the Loderi, which were bred here in Leonardslee Gardens in 1901. The usual answer to this frequently asked question is, "Very little. Summer opening hours are daily 9am-5pm, with the last entry at 3..30pm. ‘There are a number of reasons,’ says Stephen. Red-flowered rhododendron Grow rhododendrons and azaleas in a sheltered spot in partial shade or full sun. One of the big advantages of growing rhododendrons is that they really do like shady or semi-shady spots. Some rhododendrons eventually tower 100ft up into the air! Smaller varieties look best at the front of a border, or in a container, to show off their colourful blooms. If you live in the middle to upper part of that range (zones 6 – 9), you’ll have a large range of both evergreen and deciduous Rhododendron varieties to choose from. And also do you want it to be scented? It’s open during Whitstable Open Gardens every year for the NGS. However, the bees know which is which, so you don’t need to worry about poisoning them. Most of the rhododendrons that do well in mild to warm climates are hybrids of Rhododendron arboreum, a species which comes from relatively low altitude areas in the Himalayas. ‘Historically, you planted rhododendrons in either spring or autumn, but there seems to be some very dry springs happening at the moment. Therefore, fertilization should be done carefully, or the fine, delicate roots close to the soil surface will be damaged. All the information you’ll need to grow & care for rhododendrons in your garden. Related Questions. Rhododendrons hate both, because clay drains slowly and roots rot. Rosebay rhododendron maintains deep-green foliage year round. Neutral is pH7 and higher than 7 alkaline. The gardens have been famous for more than 100 years, but were closed for ten years in the mid 1990s. Once burnt, twice shy. Rhododendron species as found in the wild grow, flower, are pollinated, and set seed.The seedlings are usually pollinated by the plants of the same species and generally look similar to the parent plants, though there may be small, and sometimes considerable, variations among them. A fertilizer analysis similar to 6-10-4 applied at 2 pounds per 100 square feet to the soil surface is usually adequate. Plant in pots . ‘If you’re having trouble getting your rhododendron to flower, give it some potash and that will push it into flower,’ says Stephen. If grown in a sheltered location, they can reach heights of over 10 feet, even in Newfoundland. Stephen Herrington, head gardener at Leonardslee Lakes & Gardens gives his tips on growing rhododendrons. Mix in plenty of inorganic matter, and well rotted manure. At Leonardslee, they have echoed the rhododendrons’ past in the mountains of Asia. Others are evergreen. This is one of the Loderi rhododendrons, bred a 100 years ago at Leonardslee. Links to Amazon are affiliate, which means I may get a small fee if you buy, but I only recommend things I use myself and think you will like. You may not have thought about growing rhododendrons in your garden. One clue is to look at the base down the centre of the tree, he says. In 1959, the state legislature officially sanctioned the flowering evergreen shrub as the Washington state flower. They like shade, dappled light, or morning sun. Like this rhododendron. It depends on which one you have so if you know the variety, check it, advises Stephen. Use an ericaceous compost and feed with a fertiliser suitable for acid-loving plants throughout the growing season. Choose a site with dappled shade in sheltered conditions. Early blooming rhododendron cultivars bloom as early as March, while late bloomers flower in July and even well into autumn. Certain varieties will take some sun, but not full sun, says Stephen. Nowadays, rhododendrons grow mainly in temperate climates and in moist but well-drained sites. Remove the dead and sickly branches and let the plants grow naturally." The larger elepidote hybrids require the greatest care since their height places them above the snow. As understory plants in conifer-dominated woodlands, rhododendrons grow best in locations that mimic that environment. Rhododendrons are best known for their spectacular clusters of large, showy and often fragrant flowers. ‘Do it in autumn and give the plant a really good water before you start. Pruning Rhododendron & Azaleas. Sadly its rather nasty habit of taking over is causing grief to many native species by shading them out and growing all over their natural habitats. 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. How to layer rhododendrons – choosing a low-growing stem Step 2 About 15cm from the shoot tip, make a nick using a sharp knife on the underside of the branch – aim to cut just halfway through the stem. Plant with lots of good organic matter and acidic compost. Rhododendrons grow best when they are planted close to buildings or other windbreaks, which is why they are so often used as foundation plantings. And takeaway snacks and drinks are available to eat within the gardens. Plant care and collection of Rhododendrons at Garden.org, with informative growing guides and 3,506 images of 2,493 varieties listed. There are deer, badgers, weasels and stoats, plus the famous wallabies and a range of birds, including ducks, green woodpeckers and kingfishers. Answer to this frequently asked question is, `` very little are found growing in first., to show off their colourful blooms more open site if sheltered from cold, dry winds 10,... 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