Blechnum ambiguum is a cultivar of the Blechnum genus, which comprises primarily evergreen ferns with upright or spreading rhizomes. This fern features a columnar upright habit and evergreen foliage, making it suitable for partial shade conditions, particularly in north-facing or east-facing, sheltered locations. It thrives in moist but well-drained, acid loam soil rich in humus. Hardy to UK zone H1b, it is often grown as a houseplant or in conservatories and greenhouses, with interest in spring and summer. Propagation is achieved via spores in summer or by division.

Blechnum ambiguum is an evergreen fern with a columnar upright habit, ideal for partial shade and perfect for conservatories or container planting.

Blechnum ambiguum

Blechnum filiforme, commonly known as thread fern, is an evergreen fern cultivar with a columnar upright habit. As a member of the Blechnum genus, it features simple pinnate fronds, with fertile fronds standing upright. This fern thrives in partial shade, ideally in north- or east-facing, sheltered positions, and prefers moist but well-drained, acid loam soil rich in humus. Suitable for growing as a houseplant or in conservatories and patios, it is hardy to H1b and is best propagated by spores in summer or division. Its season of interest spans spring and summer.

Blechnum filiforme, or thread fern, is an evergreen with upright fronds, ideal for partial shade in conservatories and patios, flowering in spring and summer.

Blechnum filiforme

Blechnum from Chile is a cultivar of the Blechnum genus, which comprises primarily evergreen ferns with upright or spreading rhizomes. This cultivar features a columnar upright habit with simple, pinnate fronds that remain evergreen. It thrives best in partial shade, ideally in a north- or east-facing, sheltered position with moist but well-drained, acidic loam soil rich in humus. Suitable for indoor cultivation in conservatories or as patio and container plants, it is hardy to H1b and can be propagated by spores in summer or by division. Its season of interest spans spring and summer.

Blechnum from Chile is an evergreen fern with upright pinnate fronds, ideal for partial shade in conservatories, patios, and as a houseplant.

Blechnum from Chile

Blechnum herminieri is a cultivar of the Blechnum genus, which comprises primarily evergreen ferns with upright or spreading rhizomes. This particular cultivar has a columnar upright habit and maintains evergreen foliage. It thrives in partial shade, ideally in north-facing or east-facing, sheltered locations with moist but well-drained, acid loam soil. Suitable for cultivation in moist, humus-rich soil and shade, it is hardy to UK zone H1b and is often grown as a houseplant or in conservatories and greenhouses. Interest in this fern is mainly during spring and summer.

Blechnum herminieri is an evergreen fern with a columnar upright habit, ideal for partial shade in conservatories and patios, thriving in spring and summer.

Blechnum herminieri

The species is placed in the genus Lomaria in the Pteridophyte Phylogeny Group classification of 2016 (PPG I), but is often retained in genus Blechnum as Blechnum nudum. Lomaria nuda, commonly known as the fishbone waterfern, is a fern that grows up to a metre tall, and is abundant in rainforest and eucalyptus forests in eastern Australia. Grow it in partial shade and loam soil. In UK gardens it needs subtropical warmth and glass protection in the UK (RHS H1b). It works well for houseplants, patio and container plants, sub-tropical and conservatory and greenhouse. It tolerates acid soils, moist but well-drained conditions and north-facing or east-facing aspects. Plant in moist, humus-rich soil in shade.

Blechnum nudum, commonly known as the fishbone water fern or black-stem, belongs to the Blechnaceae family. This evergreen fern features upright or spreading rhizomes, with distinct fronds that are typically simple and pinnate, showcasing a dynamic contrast between fertile fronds that stand upright and sterile ones that spread outward.

https://en.wikipedia.org/wiki/Lomaria_nuda

Blechnum nudum

Blechnum obtusatum is a cultivar of the Blechnum genus, which comprises primarily evergreen ferns with upright or spreading rhizomes. This cultivar features a columnar upright habit and evergreen foliage, making it suitable for partial shade conditions, particularly in north-facing or east-facing, sheltered locations. It thrives in moist but well-drained, acid loam soil rich in humus. Hardy to H1b, Blechnum obtusatum is ideal for growing as a houseplant or in conservatories and greenhouses, offering interest during the winter months. Propagation is achieved through spores in summer or by division.

Blechnum obtusatum is an evergreen fern with a columnar habit, ideal for partial shade and winter interest in conservatories or patios.

Blechnum obtusatum

Austroblechnum patersonii, synonym Blechnum patersonii, is a fern in the family Blechnaceae. It is known as the strap water-fern. It is native to eastern Australia (Queensland, New South Wales, Victoria and Tasmania), Lord Howe Island, New Zealand and the Society Islands (Tahiti). In the garden it prefers partial shade and loam soil. In UK gardens it needs subtropical warmth and glass protection in the UK (RHS H1b). Suggested uses include houseplants, patio and container plants, sub-tropical and conservatory and greenhouse. It tolerates acid soils, moist but well-drained conditions and north-facing or east-facing aspects. Plant in moist, humus-rich soil in shade.

Blechnum patersonii, commonly known as strap waterfern, belongs to the Blechnaceae family and is part of a genus known for its evergreen ferns that feature both upright and spreading rhizomes. This species showcases simple, pinnate fronds, with the upright fertile fronds contrasting against the more sprawling sterile ones.

https://en.wikipedia.org/wiki/Austroblechnum_patersonii

Blechnum patersonii

Austroblechnum penna-marina, synonym Blechnum penna-marina, known as Antarctic hard-fern, Little Hard Fern, Alpine Hard Fern, alpine water fern and pinque (Chilean Spanish), is a species of fern in the family Blechnaceae. It is a widely distributed fern species in the southern hemisphere, with a natural range including New Zealand, Australia, and South America. It has wiry rhizomes and exhibits strong dimorphism in its fronds. The sterile fronds are prostrate or semi-erect, growing up to 400 mm in length, while the fertile fronds are longer and held erect. It grows to around 0.1-0.5 metres tall and 0.5-1 metres wide, carrying evergreen foliage. Grow it in full shade and partial shade and loam and sand soil. It tolerates acid and neutral soils, moist but well-drained, poorly-drained conditions and east-facing, south-facing and west-facing aspects.

https://en.wikipedia.org/wiki/Austroblechnum_penna-marina

Blechnum penna-marina

Parablechnum procerum, synonym Blechnum procerum, commonly known as mountain kiokio or small kiokio, is a species of fern found in New Zealand. It is found from lowland to alpine areas among forest, scrub and tussock. P. procerum usually grows to a height of between 30 and 50 cm. In the wild it grows across Antipodean Is., Chatham Is., New Zealand North, New Zealand South and Samoa. Grow it in partial shade and loam soil. In UK gardens it needs subtropical warmth and glass protection in the UK (RHS H1b). It works well for houseplants, patio and container plants, sub-tropical and conservatory and greenhouse. It tolerates acid soils, moist but well-drained conditions and north-facing or east-facing aspects. Plant in moist, humus-rich soil in shade.

Blechnum procerum is an evergreen fern from the Blechnaceae family, known for its upright rhizomes and distinct frond structure. Featuring simple, pinnate fronds, this species showcases a unique arrangement where the fertile fronds stand tall while the sterile ones gracefully spread outward.

https://en.wikipedia.org/wiki/Parablechnum_procerum

Blechnum procerum

Blechnum wurunuran is a cultivar of the Blechnum genus, which comprises primarily evergreen ferns with upright or spreading rhizomes. This herbaceous perennial has a columnar upright habit and evergreen foliage. It thrives in partial shade with a north-facing or east-facing aspect and prefers sheltered locations. The plant grows best in moist but well-drained, acid loam soil rich in humus. Suitable for cultivation in sub-tropical environments, it is often grown as a houseplant or in conservatories and greenhouses. Interest in this fern is mainly during spring and summer.

Blechnum wurunuran is an evergreen fern with a columnar habit, ideal for partial shade in conservatories or as a patio container plant.