Japanese cobra lily (Arisaema sikokianum)

Japanese cobra lily (Arisaema sikokianum) is a bulbous (or similar) plant that can grow 10cm – 50cm tall and 10cm – 50cm wide. In this growing guide we’ll learn the cultivation details and how to plant Japanese cobra lily (Arisaema sikokianum).
This plant is commonly known as Japanese cobra lily.
This is a deciduous plant that takes 5-10 years to reach full maturity.
In this article
Plant profile
Common name: Japanese cobra lily
Scientific name: Arisaema sikokianum
Plant type: Bulbs
Habit: Columnar / Upright
Height: 10cm – 50cm
Spread: 10cm – 50cm
Foliage: Deciduous
Sunlight: Partial shade
Soil: Loam, Sand
Moisture: Moist but well drained
Garden type: Informal Garden
Planting type: Flower borders and bedding
Seasonal colors
Season | Stem | Foliage | Flower | Fruit |
---|---|---|---|---|
Spring | ||||
Summer | ||||
Autumn | ||||
Winter |

How to plant Japanese cobra lily (Arisaema sikokianum) – Ka23 13, CC BY-SA 4.0, via Wikimedia Commons
Bulbous plants are found all over the world in habitats as diverse as woods, meadows, riverbanks, rocky hills and mountains.
There are bulbs suitable for all types of garden design.
Most have their own limited flowering season, but with careful planning it is possible to combine this period of interest with the other plants in the garden.
How to plant
In this section we will learn how to plant Japanese cobra lily (Arisaema sikokianum), know its needs in terms of soil, watering and sun exposure.
Soil
Japanese cobra lily (Arisaema sikokianum) is a plant that prefers to grow in loam or sand.
-
The loam soil is dark, rich in organic matter but balanced in minerals. It offers the best of all worlds, retaining enough water for the plants, but allowing excess moisture to drain away. This is the most desired type of garden soil, perfect for most plants.
-
Sandy soil is light, porous and very easy to drain. It is a soil poor in organic matter and nutrients. It is composed of relatively large mineral particles that allow water to drain quickly.
As for pH, it is a plant that grows ideally in soils with pH acid or neutral.
Regarding drainage, Arisaema sikokianum likes to grow in moist but well drained soil.
Sunlight
Japanese cobra lily (Arisaema sikokianum) should be grown in partial shade places.

Cultivation profiles – Growing Japanese cobra lily (Arisaema sikokianum) – Photo by David J. Stang, CC BY-SA 4.0, via Wikimedia Commons