Syngonium ‚Orm Nak‘ - Care

Syngonium Orm Nak mit pink-rot gefärbten, pfeilförmigen Blättern

Our own Syngonium Orm Nak – your specimen may vary slightly in color intensity depending on light availability.

These care tips are based on our own experience with this plant, as well as several independent sources we've compared. Since your location, lighting conditions, and indoor climate will be different, the optimal values may vary slightly for you – take the information as a guide, not a rigid rule.
Location & Light

The Orm Nak likes it bright, but it doesn't tolerate direct sunlight well – the sensitive, colored leaf areas burn quite quickly. A spot by an east or west window with plenty of indirect light is ideal. The color intensity depends strongly on the light exposure: the brighter the location, the stronger the pink-red coloration. If it's too dark, the colors fade, growth slows down, and the shoots noticeably stretch out in search of more light – a reliable sign that a brighter spot would be beneficial.

Pour

Water when the top layer of soil (roughly the top 2-3 cm) has dried out. The Orm Nak tolerates neither complete dryness nor waterlogging well – its roots are sensitive to too much moisture. During the growing season, this is usually the case every 7 to 10 days, while in winter, the finger test is sufficient every 10 to 14 days. It's worth being a little careful with your watering: it doesn't particularly like hard, cold tap water; room-temperature still or filtered water is a better choice.

Fertilize

During the growth phase, feeding every 2 to 4 weeks with a diluted, balanced liquid fertilizer is usually sufficient. The exact frequency depends on the specific product and its concentration – it's best to follow the dosage instructions on the packaging rather than a general rule. Without artificial light, meaning with natural window light only, you can skip fertilizing in autumn and winter because the weaker light naturally slows down growth. However, if a plant lamp provides sufficient brightness throughout the day, the growth activity remains more stable – in this case, you can continue fertilizing as usual without a winter break.

We consciously alternate between different fertilizers for our own plants – currently including COMPO COMPLETE, Foliage Focus, Liquid Gold Leaf, and Hesi TNT-Complex, supplemented with Hesi Root Complex, Hesi PowerZyme, and CalMag as needed.

Substrate

It should be loose and well-draining – an aroid mix of e.g. soil, coco chunks, perlite, and some pine bark has proven effective. Heavy, compacted soil favors waterlogging and thus root rot.

Humidity & Temperature

As a tropical plant, it likes humidity—the Orm Nak thrives particularly well at humidity levels above 50 %, which is why it’s also well-suited for the bathroom. However, it can also tolerate normal indoor air conditions. Spraying the plant barely increases humidity—and only for a few minutes—while leaving the leaves damp, which can create a breeding ground for fungi and bacteria, especially with poor air circulation. An air humidifier, a bowl of water with pebbles, or a cluster of plants, on the other hand, increase humidity more reliably and over the long term without wetting the leaves. Temperatures between 18 and 27 °C are ideal; the temperature should not drop below 15 °C for extended periods, and drafts should be avoided.

Growth & Support

The Orm Nak is naturally a climbing plant and can be grown upwards on a climbing aid (moss or coir pole) as well as in a hanging pot. When grown on a support, the leaves tend to become larger and more robust. It grows quite quickly and can form long shoots over time; regular pruning keeps it compact and bushy. A characteristic typical of Syngonium: young leaves are still simple and arrow-shaped, while more mature leaves will grow back with time, becoming significantly more lobed and divided – this is a normal maturation process and not a cultivation error.

Good to know

Like most aroids, the Orm Nak also contains calcium oxalate crystals and is irritating to pets and children if ingested – best to place it out of reach.

In trade, several names are circulating for similar pink-red Syngonium varieties, sometimes used interchangeably, such as „Orm Nak,“ „Aom Nak,“ or „Orm Nak Super Red“ – the exact color expression (from delicate pink to strong red) can vary slightly depending on the specimen and light conditions.