Overview
Blechnum herminieri is a columnar upright ferns in the genus Blechnum, part of the Blechnaceae family, with evergreen foliage. Blechnum herminieri grows best in partial shade, and tolerates loam soils and acid pH. Its UK hardiness is rated H1b. Suggested uses include houseplants, patio and container plants, sub-tropical and conservatory and greenhouse.
About
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.
About the genus
Blechnum, known as hard fern, is a genus of ferns in the family Blechnaceae, subfamily Blechnoideae, according to the Pteridophyte Phylogeny Group classification of 2016. Two very different circumscriptions of the genus are used by different authors. In the PPG I system, based on Gasper et al.
Wikipedia contributors, "Blechnum", CC BY-SA 4.0 — Blechnum
Growing conditions
Best soil and position for Blechnum
- Sunlight
- Partial shade
- Soil type
- Loam
- Soil pH
- Acid
- Soil moisture
- Moist but well-drained
- Aspect
- North-facing or East-facing
- Exposure
- Sheltered
- UK hardiness
- H1b
Plant details
Blechnum herminieri size, habit and characteristics
- Plant type
- Ferns, Herbaceous Perennial
- Habit
- Columnar upright
- Foliage
- Evergreen
- Suggested uses
- Houseplants, Patio and container plants, Sub-tropical, Conservatory and greenhouse
Care notes
Pruning and caring for Blechnum herminieri
- Propagation
- Spores in summer, division
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Blechnum herminieri?
Blechnum herminieri prefers partial shade. It suits sheltered positions.
What soil does Blechnum herminieri need?
Blechnum herminieri grows best in loam soil. It prefers acid soil. Aim for soil that stays moist but well-drained.
Is Blechnum herminieri hardy in the UK?
Blechnum herminieri has an RHS hardiness rating of H1b, meaning it needs subtropical warmth of 10–15°C and must be grown under glass in the UK.
How do I propagate Blechnum herminieri?
Spores in summer, division.