Black Stem Elephant Ear Plant

Black Stem Elephant Ear Plant Care

Alocasia Macrorrhiza

What is the plant

Macrorrhiza Black Stem – Black stems and veins adorn this extraordinary form of Alocasia Macrorrhiza. This very rare and unusual elephant ear is quite different from the typical. The HUGE thick sculpted forest green leaves with are held upright on dramatically rigid black stems. Reaching a mature height of 4 -5 ft. Macrorrhiza loves high light with only moderate shade. This variety makes an excellent container plant as well as a beautiful landscape plant for the tropical garden. These are very healthy tropical plants with well established root system.The plants shipping now may vary in size, form and color from the images above. Please remember that no two plants are alike.The growth rate and leaf color of Macrorrhiza Black Stem will vary greatly depending on soil type, sunlight, temperature and other factors. A few leaves are often trimmed prior to shipping to reduce transpiration and travel stress.

It's invasive in Cuba, New Zealand, and several islands in the Pacific, including Hawaii, Fiji, French Polynesia, New Caledonia, and Palau.

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Humidity

Normal

Lighting

Part Sun

Temperature

18°C - 24°C

Hardiness zone

9 - 12

Difficulty

Medium

How to Care for the Plant

Water
Elephant ears like to stay consistently moist, but not soggy. Be especially careful with watering if you use a pot without drainage holes. Always test the soil with your finger first. Humidity is also important to elephant ears, so it’s a good idea to set the pot in a saucer of water elevated by pebbles. (The pebbles will prevent the roots from sitting directly in the water, which will cause rotting.)
Fertilizer
To help establish your new Macrorrhiza Black Stem Alocasia, fertilize sparingly at least 6 inches away from the base, tri-annually with a slow time released product. Unfertilized they will tend to grow very slowly. Note: The heavy salts in cheaper fertilizers will damage the roots and possibly kill the plant.
Sunlight
This Alocasia requires 70-85% sunlight. Depending on your location filtered sun is best. In the northern end of their grow zone Macrorrhiza Black Stem plants should be brought indoors or protected during the winter months.

Disease diagnosis

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Soil
Macrorrhiza Black Stem Alocasias enjoy well drained but moist, rich organic mix. Remember try to stay away from wet, mucky or dry, sandy soils.
Temperature
Indoors plants thrive at temperatures between 55°- 80°F and in lower light conditions than other house plants.
Container
Alocasia grow very well in patio and indoor containers. Allow enough room for growth generally a 10″ to a 20″ diameter, 10″ deep container will suffice to get started. Remember the looser the roots, the taller and healthier your plant will be. When the plant becomes root bound its growth will slow, at that point it is time for a larger pot.