Big Island Fern

Diplazium nipponicum

Diplazium nipponicum is an evergreen perennial fern that grows in shaded areas of forests or in moist environments.

Growth Characteristics
- Environment: It thrives in partial shade and prefers moist soil.
- Temperature: It grows well in mild climates and is somewhat cold-tolerant during the winter.
- Soil: Well-drained soil rich in organic matter is suitable.

Propagation Methods
- Spore Propagation: It can be propagated via spores, which takes place in the spring.
- Root Division: Propagation by dividing the roots is also an effective method. This is usually attempted in the spring or autumn.

Cultivation Methods
- Planting: It is ideal to grow it in partial shade, ensuring good ventilation by keeping it away from many other plants.
- Watering: Provide adequate moisture to prevent the soil from drying out.
- Fertilizer: Apply an appropriate amount of organic fertilizer in the spring and autumn. Use in Gardens
- Landscape Creation: It is ideal for creating green spaces when planted in shaded gardens.
- Ground Cover: When used to cover the ground, it can suppress weed growth.

Important Pests and Control Methods
- Pests and Diseases: While generally resistant to pests and diseases, caution should be exercised regarding soft rot and aphids.
- Control Methods: Maintain adequate ventilation and apply appropriate insecticides or fungicides at the early stages of infestation.

Since the large island fern grows exceptionally well without special care, it is a plant that can be easily utilized in the garden.

Plant Family	family Pteridaceae
Height	90~180cm
Colors	sporophyte
Bloom Period	July to September (spore period)
Water Needs	commonly
Exposure	semi-shaded area
Freezing Resistance	-15°C

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Diplazium okudairae

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Diplazium mettenianum