[Ep-25] Alocasia Sarian — Growing Key Points

[Ep-25] Araceae Alocasia Sarian - Growing Key Points

Alocasia Sarian — GreenCapsule

Alocasia ‘Sarian’ is a hybrid between Alocasia zebrina and Alocasia micholitziana. It is loved for its stiff, pointed, upright and large leaves, which have wavy surfaces, arrow-shaped margins and white striped venation. Because this is a hybrid, it also has the green-and-white striped stem that is sought after in Alocasia zebrina. It can grow as tall as 1 to 1.5 meters!

Must note ⚠️: As a member of the Araceae family, it is toxic — harmful to pets and can poison humans if ingested by mistake.

Every grower’s environment is different; learn to observe.

When a plant is newly brought home, it usually needs some time to adapt to the new environment. The closer the environment matches its natural habits, the faster it will adapt. Sometimes because of environmental change, the plant will instinctively speed up its metabolism to adjust, and this can cause some leaf drop — this is normal. Observe the plant’s changes; taking photos to record is also a good method to compare differences after some time of growing.

Main points:

Alocasia ‘Sarian’ is a large Alocasia variety. They easily develop tall, upright stems and grow along riverbanks with abundant moisture, rich organic matter and higher humidity. They require moist, nutrient-rich care.

Large Alocasia varieties tend to grow taller, so they need more light than other Alocasias (medium and lithophytic types).

They can be placed outdoors in a bright, shaded-sun spot or indoors in the brightest position, but in summer avoid strong direct sun.

Like other Alocasias, they hate waterlogging and have requirements for soil aeration and drainage. Water when the soil surface is dry; as long as the potting mix is sufficiently free-draining, there is no problem.

Adequate moisture allows new leaves to grow larger and prevents old leaves from being consumed away.

Light:

Alocasia ‘Sarian’ mostly grows near riverbanks and receives relatively more sunlight in its habitat. It prefers bright, diffused light or sun under some shade. It can be placed in semi-sunny indoor or outdoor spaces and likes longer, more abundant light but must not be sunburned; good ventilation is also required and it must not dry out.

Avoid wetting leaf surfaces under direct sunlight, as this can cause sunburn spots on the leaves. Our other article about sunlight: https://www.greencapsulehk.com/post/ep-04-sunlight-full-partial-shade) Temperature:

Optimal growth temperature is 20–30℃. Growth halts and the plant enters dormancy when temperatures drop below 15℃. In winter, do not place it in a drafty location.

It can accept some sunlight in winter, but avoid overly long sun exposure that can scorch the leaves.

When temperatures exceed 30℃, be alert to problems associated with high temperature: low humidity, strong light, and stuffiness.

Water:

April–September is its vigorous growth period; during this time it needs moist soil and higher air humidity, so provide ample water.

During the growing season keep potting soil moist, and maintain air humidity at 70%–80% to promote leaf growth and development.

Avoid letting the potting mix dry out.

In summer’s high temperatures, leaf transpiration is high and water demand increases; lack of water easily causes leaf wilting. You can mist the undersides of leaves, but must avoid waterlogging the pot, which can cause root rot.

For potted culture, monitor soil dryness to determine watering; generally, when the soil is dry, water thoroughly.

(This article mentions watering methods/timing: https://www.greencapsulehk.com/post/ep-03-kokedama-care-essentials)

Alocasia Sarian — Repotting

Repotting:

The tubers of Alocasias are very strong, but the fine root hairs are fragile. During soil changes, if there is too much disturbance it’s easy to damage the roots. So when repotting, if there are no pests or harmful soil fungi, try to disturb the existing rootball as little as possible and only add a small amount of soil at the edges.

You might think giving the Alocasia a very large pot will let it grow big. This often leads to much reduced aeration and drainage after repotting, and the risk of root rot rises sharply. By contrast, a safer approach is to keep it in a smaller pot. Faster wet-dry cycles are preferable; when a plant’s vigour requires repotting, we prefer to increase the pot diameter by only 1 to 2 inches from the original.

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* Actual situations may be adjusted according to indoor environment and weather. * If conditions permit, it is recommended to use filtered water or tap water that has been left standing overnight (to allow chlorine/fluorine to dissipate). * Optionally use foliage-plant nutrient solution: once a month, use one small bottle each time diluted with water (1:1). * According to the official website of the American Society for the Prevention of Cruelty to Animals (www.aspca.org), Araceae plants are toxic to pets — avoid pets having excessive contact or ingesting them.

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