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    How to care for a Polystichum tsus-simense | Korean Rock Fern

    The Polystichum tsus-simense, known to some as “The Korean Rock Fern” boasts glossy blueish-green fronds, black stems, and a pinnae that’s oblong and spiny-toothed. He looks perfect in the house as he stays fresh and lush through the seasons but he can also be placed outside in a garden. As long as the garden isn’t too wet or cold.

    Get one of these yourself!

    • Frequent
    • Every 1-2 years
    • Medium to low light
    • Toxic
    • Once a month during Spring & Summer

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    • The Korean Rock Fern is native to East Asia. It's common name comes from it's ability to grow in rock walls.
    • Korean Rock Ferns are not known for being an air purifier.
    • Some parts of the Korean Rock Fern are poisonous to animals and humans so take care when around them or if pets are nearby.
    • The Korean Rock Fern likes consistently moist soil, so water frequently when the top 1 inch of the soil is dry.
    • Not a fan of direct sunlight, prefers medium to low light. North-facing windows are a excellent spot.
    • Would benefit from a dose of all-purpose houseplant fertilizer once a month during the growing season (Spring and Summer).
    • Will need to be repotted when he starts to show signs of being root bound, this is usually about every one or two years.
    • As soon as you spot a dead or damaged frond, it would be best to trim it off using clean scissors or pruning shears.
    • Generally disease and pest free, but always keep an eye out for any potential problems!

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