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Sansevieria cylindrica is also known as African Spear and cylindrical snake plant, and less commonly as Elephant’s toothpick and Skyline Spear sansevieria.
All of these are apt names for this unique, robust plant.
All About African Spear
Cylindrica is a succulent indigenous to Angola. The plant spreads horizontally via an underground rhizome (a kind of stem modified to act as a root). It is a very hardy plant – able to endure all but the most extreme neglect.
It is perennial and evergreen, so you can expect it to stick around for a long time. Cylindrica has impressive “leaves.” They can grow to be as tall as 6 feet! The tubular leaf is often an inch thick at maturity, which is necessary to support such height.
A common practice among the more involved gardeners is to braid the stalks together and secure them with a rope or band at the top. Such controlled growth creates an elegant form of a normally rowdy plant.
This method is best employed while the stalks are still short and young; you would have a lot of trouble convincing mature leaves to contort themselves in that way.
Best Climate Conditions
African spear plants like to grow in temperatures that are comfortable and mild. Extreme heat and extremely cold climates are not suitable for these plants, and therefore should be grown in greenhouses or in the house in these locations to ensure survival.
Temperatures between 50 and 85 °F (10-29 °C) are perfect for these plants. Pair these temperatures with optimal indirect sunlight, and your plant will thrive and flower.
Only water the succulent when the soil is completely dry. Following a watering schedule is not appropriate for these plants as you must be dynamic and adapt the care to the plant’s needs.
Bright indirect sunlight or full sun is perfect for these plants. Inspect the leaves every now and then if the plant is in full sun for long periods of time to check for signs of sunburn, discoloration, and damage.
Most Common Problems
You should note that the tips of the leaves are protected by a tough point, hence the “spear” name. Take care not to damage the spear tip! If broken, it effectively ends growth for that spear.
Cylindrica is also mildly toxic, so it should be kept away from infants and pets. On the bright side, a healthy cylindrica will bloom sporadically even while young. While the flowers aren’t particularly impressive, they have a pleasing aroma.
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Sansevieria Cylindrica Care
As with all succulents, the most important aspect of care is soil drainage! It is imperative that the soil drains quickly and the pot does not hold water. Use soil specifically for succulents (here’s a guide on how to make your own).
Use fertilizer sparingly in your plant’s soil as over-fertilizing your plant can kill it. Never plant sansevieria cylindrica in pre-fertilized soil.
Water and Humidity
If the cylindrica has one weakness, it is overwatering. During the growing season, water it about once every two weeks. Be sure to water the soil and not the leaves.
If the base of the stalks becomes yellow or swollen, it means you have overwatered. Water enough that the soil is all moist, but it drains completely before your next watering.
Sansevieria cylindrica does not tolerate humidity very well. If you live in a humid area, you should bring your plant indoors during humid weather to prevent discoloration.
Light and Temperature
Cylindrica thrives in direct light! This promotes taller, straighter leaves. They are drought-resistant as well.
The sum of these traits means that cylindrica is a great outdoor plant, but can tolerate indoors if it has enough bright light. If it lacks light, you can expect its growth to stagnate (though it will probably survive).
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African spear Propagation
As with many plants that utilize rhizomes, they often send off “runners” or offshoots. These can be untangled and separated with a sharp blade to separate mature plants that have grown together.
Wait until the stalks of your cylindrica are about 6 inches tall before separating them. Bear in mind, this plant is not averse to crowded, tangled conditions. Separate only if you want to propagate or move it into a larger pot.
African Spear can also be propagated via leaf cuttings, albeit slowly. Take a stalk and cut it into sections about 3 inches long. After leaving them out to callus, plant them in soil with the right side up.
It’s important that they maintain the same orientation as before they were cut. Plants don’t grow upside-down very well.
New roots should sprout, eventually. Try the rooting hormone if you’re not having any success.
Aphids, vine weevils, and mealybugs are the common sansevieria cylindrica invaders. Spear plants that grow inside in a controlled environment are less likely to show signs of a pest infestation than succulents growing outside. Inspect your plant regularly and remove insects as and when you see them.