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Products > Philodendron Xanadu™ ['Winterbourn']
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![Image of Philodendron Xanadu™ ['Winterbourn']](https://www.smgrowers.com/imagedb/Philodendron_Xanadu.jpg )
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| Category: Tropical |
| Family: Araceae (Arums) |
| Origin: Brazil (South America) |
| Evergreen: Yes |
| Bloomtime: Not Significant |
| Height: 2-3 feet |
| Width: 3-4 feet |
| Exposure: Cool Sun/Light Shade |
| Irrigation (H2O Info): Medium Water Needs |
| Winter Hardiness: 25-30° F |
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Philodendron Xanadu ['Winterbourn'] (Winterborn Philodendron) - An evergreen dense low spreading tropical plant that can form a clump nearly 3 feet tall by 5 feet wide over time. It has deeply dissected, lobed 12 to 18 inch long by 8 to 12 inch wide glossy green leaves that hang slightly downward from long smooth upright petioles. Not often seen are its flowers, which have dark red spathes. It also is seems to produce less noticeably, the aerial roots so characteristically seen trailing to the ground on its big cousin Philodendron bipinnatifidum (P. selloum), but contrary to what we previously stated about this plant, we have it on good authority that these roots can actually form on Xanadu. Plant in full sun (coastal), bright shade or part day sun and irrigate regularly, especially in the warmer months. Give ample fertilizer to keep foliage a deep green. Hardy to around 25 F. This is a great plant for use in a mass as a mid-height groundcover, as a foundation planting or in a container - adding a touch of tropical flare to the landscape. It is also a nice interior house plant. This plant was originally reported to be a selected chance seedling that arose in 1983 in a Western Australian nursery. At that time it was given the cultivar name Philodendron 'Winterbourn' and became protected under Plant Breeder Rights in Australia. Also under this name a US Plant Patent application was filed on January 19, 1988 and it was issued US Plant Patent PP7,030. This patent expired twenty years after filing on January 19, 2008. For promotional purposes Philodendron 'Winterbourn' was given the marketing name Philodendron Xanadu by House Plants of Australia and released as their plant of the year in 1987. This name was trademarked in the US (serial # 88834871) but this trademark not renewed and the trademark became "Dead" on May 14, 2020. A later trademark filing for this name (serial # 88834871) was later abandoned, so according to the US Plant the plant is no longer under any patent restrictions, nor is there any trademark on the name "Xanadu". While the plant had been patented as a cultivated variety, there were substantiated claims that it was not a hybrid or nursery grown cultivar but actually originated from the seed collected from a wild collected plant in Brazil. This plant was described as Philodendron xanadu Croat , Mayo & J.Boos as published in Aroideana; Journal of the International Aroid Society 25: 63 (2002 publ. 2003). This botanical name likely presented problems for any existing Live US trademark as a specific epithet cannot be trademarked, but it is an interesting case as it seems the trademark was established prior to the plant being described as a species - a bit of a mess. Our original plants purchased from Twyford International and later from First Step Greenhouses.
This information about Philodendron Xanadu™ ['Winterbourn'] displayed is based on research conducted in our library and from reliable online resources. We will also note observations that we have made about it as it grows in the gardens in our nursery and those elsewhere, as well how the crops have performed in containers in our nursery field. We will also incorporate comments we receive from others, and we welcome hearing from anyone with additional information, particularly if they can share cultural information that would aid others in growing it.
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