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Polystichum aculeatum
Polystichum aculeatum
Polystichum aculeatum
Polystichum aculeatum

Polystichum aculeatum

TAXONOMY

FamilyDryopteridaceae
GenusPolystichum
Zone5

ABOUT

Polystichum aculeatum, commonly known as the hard shield fern, is a perennial fern native to Europe and parts of Asia. It thrives in temperate climates and is often found in shaded woodland areas. This fern is known for its robust, leathery fronds and its ability to withstand colder temperatures. It has a dormancy period during the winter months.

ALSO KNOWN AS

Dryopteris Aculeata
Dryopteris Lobata
Hard Shield Fern
Hard Shield-Fern
Hypopeltis Aculeata
Hypopeltis Lobulata
Phymatodes Plukenetii
Pricky Fern
Tectaria Aculeata
Aetopteron aculeatum
Aspidium aculeatum
Aspidium bosniacum
Aspidium haleakalense
Aspidium lobatum
Aspidium lobatum var. rigidum
Aspidium plukenetii
Aspidium pseudolonchitis
Aspidium sublobatum
Nephrodium aculeatum
Polypodium aculeatum
Polypodium lobatum
Polystichum lobatum
Polystichum plukenetii
Polystichum stipitatum

OVERVIEW

WaterWet
SoilLoamy
LightIndirect Bright (4 Hours)
Temperature15° C
Humidity70%
Dormancy3 Months
pH6.5
Pressure1,013 mbar

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DETAILS

Care Instructions
Polystichum aculeatum prefers moderate temperatures and high humidity. It thrives in indirect bright light but can tolerate lower light conditions. Water the plant regularly to keep the soil evenly moist, but avoid waterlogging. This fern can be grown both indoors and outdoors, making it a versatile addition to any garden or home.
Soil
This fern prefers loamy soil that is well-draining yet retains moisture. A mix of garden soil with organic matter such as compost or leaf mold works well. Ensure the soil remains consistently moist but not waterlogged to prevent root rot.
Fertilizer
Polystichum aculeatum does not have high fertilizer requirements. If desired, a balanced, water-soluble fertilizer can be applied sparingly during the growing season to promote healthy growth.
Repotting
Repotting is generally not required frequently for this fern. If the plant outgrows its pot or the soil becomes compacted, repot in the spring. Use a pot with good drainage and fresh loamy soil.
Propagation
Propagation of Polystichum aculeatum is typically done through division. This can be done in the spring or early summer. Carefully separate the rhizomes and replant them in suitable soil, ensuring each division has a healthy root system.
Pruning
Pruning is not typically required for this fern. However, removing any dead or damaged fronds can help maintain its appearance and overall health. This can be done at any time of the year.
Toxicity
Polystichum aculeatum is not known to be toxic to pets or humans. It is generally considered safe to have around children and animals.
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