Philodendron Xanadu, or Winterbourn, grows fairly easily as long as you’re careful to provide the right lighting conditions and not keep it outside in temperatures below 50 degrees Fahrenheit.
Philodendron Xanadu Quick Facts
|Scientific Name:||Philodendron Xanadu|
|Common Names||Philodendron Xanadu or Winterbourn|
|Watering||Maintain moist soil|
|Light||Bright, indirect light|
|Humidity||Moderate to high humidity|
|Toxicity||Poisonous to humans and pets|
|Pests||Aphids, mealy bugs, spider mites|
Varieties of Philodendron Xanadu
The Xanadu is one of around 450 varieties of Philodendron. This exotic plant can grow to heights of up to 4 feet, and up to 5 feet in width. It features large leathery green leaves that span up to 18 inches by 14 inches. Unlike many other Philodendron varieties, this plant is not a climber and has more of an upright bushy habit. It grows to form a dense and compact shape, is easy to grow, and makes a good container plant as well as being suitable for growth as both a houseplant and an outdoor plant in mild climates (Philodendron Plant).
Other Philodendron varieties include the following.
This Philodendron grows to around 6 feet in height and features unusual red colored stalks and green foliage that is bronzed on the underside.
This variety of Philodendron can grow rapidly, up to heights of 8 feet.
Like Xanadu, this Philodendron is not a climbing vine variety. It has vibrant green foliage that starts out heart-shaped, but over time, the leaves become feathered.
This medium-sized variety grows to around 5 feet tall. It is a slow grower and produces attractive shiny foliage.
Philodendron Xanadu Care Tips
Like most Philodendrons, the Xanadu likes to have its soil kept moist but not wet. The best way to water it is to give it a generous watering until water runs out of the drainage holes of the pot. Discard any drained water because the plant will not like wet feet, and this can cause root rot. Allow the top layer of the soil to dry out between waterings to ensure that the plant does not get overwatered.
Before watering, you can dip your finger into the soil to test for moisture. If the top few inches of the soil are dry to the touch, then it is safe to proceed with watering, but if you can feel moisture, then you should wait another few days before repeating the test and watering the plant again. The aim is to keep the lower level of soil moist but not soggy.
The Philodendron Xanadu has quite specific lighting requirements, which differ from most other Philodendron varieties. It needs more light than most of its relatives in order to maintain its compact appearance. If it does not get enough light, then the stems will become elongated in an attempt to search out a light source, they will take on a stretched appearance making the plant look leggy and unbalanced. If the plant starts to exhibit leaves that are growing with several inches of gap between them, then you will know you have to provide the plant with more light.
Too much light, though, will cause the leaves to become discolored, looking pale and unhealthy. While some yellow leaves are normal as the plant ages, a flush of yellow or bleached-looking leaves means the plant is getting too much light, and you will need to move it to a more sheltered position. It likes a good balance between the two, ideally receiving bright but indirect light. It will be happiest near a bright window in which the sunlight never fully shines in its direction (University of Florida- Department of Agriculture).
Like most Philodendrons, this plant likes humidity and would benefit from efforts to increase the moisture content of the air around it, such as pebble trays or water misting sprays. To make your own pebble tray, simply place a selection of pebbles on a tray and cover with water, then place your plant pot on top of the tray. As the water evaporates, it will create humidity around the plant. Increased humidity can also help keep spider mites at bay, as they will typically only infect a plant in very dry conditions.
You can also group this plant with other humidity loving plants, or use an electric humidifier to increase the moisture content of the air. However, it will grow just fine in average household humidity, though it does not like very dry air so it should be kept away from heating vents.
This tropical plant enjoys daytime temperatures ranging between 65 and 75º F, with overnight temperatures around 60° F. This makes it ideal for growing as a houseplant indoors, but it can also be kept outside in warmer months and then brought inside when the temperature drops.
In milder climates, it is possible to keep the plant outside all year round, but if temperatures drop below 50° F, the plant will not survive. Natively grown in Brazil and naturalized in other areas of South America, this plant is accustomed to warm weather and is not tolerant of low temperatures or frost.
As a patented Philodendron variety, the Xanadu should not be propagated for sale as doing so would be illegal, though propagation for your own personal collection is within the law. This plant is propagated by division, which can be achieved easily when the plant becomes large enough that it needs to be divided. As a fairly fast-growing plant, you will soon find that the Xanadu becomes too large for its pot. At this point, you can either repot it into a larger pot, or you can divide it and create two or more smaller plants from the original plant. To do this, gently remove the plant from its pot, and then separate the root ball into sections.
You can try to gently tease the roots apart, but you will likely need to slice up the root ball as they become heavily entwined. Once you have separated the root clump, you can repot each newly created plant into appropriately sized pots and continue care as normal. Every time a Xanadu needs repotting, you can perform a division and grow your collection of this plant.
This plant does not need to be routinely pruned. You should remove any dead or damaged leaves at the base of the stem to keep the plant looking its best, but other pruning is not required.
Common Pests and Diseases
The Philodendron Xanadu is susceptible to leaf spot, which is a fungal disease. Symptoms of leaf spot include brown spots on the foliage of the plant, which can vary in shape and size. The brown spots are the fungus feeding on the plant and will cause the leaves to die and fall off.
Leaf spot typically occurs when the foliage of the plant has been allowed to get too wet, as the fungus thrives in moist conditions. The best ways to prevent leaf spot are to ensure good air circulation between plants, refrain from overwatering, and to water at soil level so that the leaves do not get wet when watering. Leaf spot can be treated with fungicide, and you should keep the plant away from other plants while infected as the disease can be easily spread.
This plant can also fall victim to common houseplant pests, such as aphids, mealy bugs, and spider mites. Spider mites typically occur in very dry conditions, so the best way to combat this is to create a humid environment for your plant.
Do you have any questions about Philodendron Xanadu? If so, leave a comment below, and don’t forget to share this page with other houseplant lovers!
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