Alsophila australis subsp. norfolkiensis is a cultivar of the Alsophila genus, which comprises tree ferns native to tropical and subtropical regions. This fern has a columnar upright habit with evergreen foliage, featuring vertical stems topped with large, dark green fronds. It thrives in partial shade and prefers sheltered, south-, east-, or west-facing aspects. Best grown in moist but well-drained loam or sandy soil with an acid to neutral pH, it suits architectural settings, city and courtyard gardens, coastal areas, and flower borders. It is hardy to UK zone H3 and is best planted in humus-rich soil in shade.

Alsophila australis subsp. norfolkiensis is an evergreen tree fern with a columnar habit, ideal for partial shade in coastal and courtyard gardens, hardy to H3.

Alsophila australis subsp. norfolkiensis

Alsophila dregei (Burke's tree fern) is a columnar upright tree fern belonging to the genus Alsophila, which is known for its vertical stems topped with large, dark green fronds. This evergreen fern thrives in partial shade and prefers sheltered, south-, east-, or west-facing aspects. It grows best in fertile, well-drained loam or sandy soils that are moist but well-drained, with an acid to neutral pH. Hardy to UK zone H3, it is suitable for architectural planting in city and courtyard gardens, coastal areas, and flower borders during spring and summer. Propagation is by sowing spores as soon as they are ripe.

Burke's tree fern (Alsophila dregei) is an evergreen with large dark green fronds, ideal for partial shade in architectural and coastal gardens.

Alsophila dregei

Alsophila incisoserrata, synonym Cyathea incisoserrata, is a species of tree fern native to the Malay Peninsula and the state of Sarawak on the island of Borneo, where it grows in forest and forest margins from the lowland to approximately 1250 m. The trunk is erect, about 4 m tall and 12 cm in diameter.

Alsophila incisoserrata is a hardy tree fern ideal for partial shade, adding architectural interest to city gardens and coastal borders in spring and summer.

Alsophila incisoserrata

Sphaeropteris brunei is a cultivar of the Sphaeropteris genus, which consists of tree ferns with tall, solitary, scaly trunks and large fronds ranging from yellow-brown to purple. This cultivar grows with a columnar upright habit and has evergreen foliage. It thrives in partial shade and prefers sheltered positions with moist but well-drained loam or sandy soil that is acid to neutral in pH. Hardy to UK zone H3, it is suitable for architectural uses, city and courtyard gardens, coastal areas, and flower borders, showing interest in spring and summer.

Sphaeropteris brunei is a hardy tree fern with tall scaly trunks and large fronds, ideal for architectural and coastal gardens in partial shade.

Sphaeropteris brunei

Sphaeropteris cooperi 'Cinnamon' is a cultivar of the Sphaeropteris genus, known for its tall, solitary, scaly trunks topped with large fronds. This tree fern has a columnar upright habit and evergreen foliage, making it a striking architectural feature in gardens. It thrives in partial shade with a sheltered aspect, preferring moist but well-drained loam or sandy soil that is acid to neutral in pH. Hardy to UK zone H3, it is suitable for city and courtyard gardens, coastal areas, and flower borders, with interest in spring and summer.

Sphaeropteris cooperi 'Cinnamon' is an evergreen tree fern with tall scaly trunks and large fronds, ideal for architectural and coastal gardens.

Sphaeropteris cooperi 'Cinnamon'

Sphaeropteris excelsa, synonym Cyathea brownii, commonly known as the Norfolk tree fern or smooth tree fern, is probably the largest fern species in the world. It is endemic to Norfolk Island, in the Pacific Ocean near Australia and New Zealand.

Norfolk Island tree fern (Sphaeropteris excelsa) is a large, architectural fern ideal for partial shade in coastal and courtyard gardens, flowering in spring

Sphaeropteris excelsa

Sphaeropteris tomentosissima is a tree fern cultivar within the genus Sphaeropteris, known for its tall, solitary, scaly trunk and large evergreen fronds. It grows with a columnar upright habit and thrives in partial shade, ideally in sheltered locations with moist but well-drained loam or sandy soil of acid to neutral pH. Hardy to UK zone H3, this cultivar is suited to architectural planting in city and courtyard gardens, coastal areas, and flower borders. It is best cultivated in fertile, well-drained soil and propagated by sowing spores as soon as they are ripe, with interest in spring and summer.

Sphaeropteris tomentosissima is a tall tree fern with large evergreen fronds, ideal for partial shade in architectural and coastal gardens.

Cyatheaceae