Polystichum aculeatum

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Polystichum aculeatum

Hard Shield Fern

Code Temp Category Description
1 15C+ Indoor Grow as a houseplant or under heated glass.
2 10 to 15C+ Indoor / Outdoor Grow indoors, or outdoors in summer in a sheltered spot
3 5 to 10C Tender Grow outdoors in summer, and in a heated glasshouse in winter.
4 1 to 5C Tender Grow outdoors or under glass without risk of frost.
5 -5 to 1C Half-Hardy Hardy in coastal/mild/sheltered areas. Will not tolerate hard/sudden frost. May require winter protection in situ. such as fleece or straw mulch.
6 -10 to -5C Hardy May suffer at altitude, central/northerly locations, harsh winters, cold gardens and when grown in pots.
7 -15 to -10C+ Hardy Will survive most severe winters but may be at risk in central/northerly locations and in pots. Top growth may be destroyed but will usually re-grow.
8 -20 to -15C Hardy Will survive severe winter, but may need protection when grown in pots.
9 -20C & Colder Very Hardy / Hardy in the severest European climates.

£9.99

Pot Size:

3Ltr

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SKU: 185583
Styles: , , , ,

Description

Family Dryopteridaceae
Originating from Europe

Evergreen fern forming a neat rosette of bipinnate, erect or arching, leathery dark green, narrowly lanceolate fronds with slightly prickly pinnules.
Grow in fertile, humus-rich well-drained soil in deep or partial shade.

Height and spread after 2 – 3 years 75cm x 40cm
Semi mature height and spread after 4 – 5 years 1m x 1m

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