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The Rooted Plant Shop

Blue Oil Fern 4”

Blue Oil Fern 4”

$55.00 USD
$55.00 USD
Sale Sold out
Shipping calculated at checkout.

Each plant is unique. Size, shape, fullness, and variegation will vary.

Microsorum thailandicum, commonly called blue oil fern, is a rare fern native to Southeast Asia known for its narrow, upright fronds with a deep blue, almost iridescent sheen. What makes this plant special is that metallic blue coloration—it reflects light in a way that gives it a subtle oil-slick effect, making it one of the most unique foliage ferns in a collection.

Light needs to be controlled to preserve that blue tone. Place it in a north or east-facing window where it gets gentle, consistent light without direct sun hitting the fronds. Under grow lights, use 5000K–6500K placed 12–18 inches from the top of the plant. In stronger light, the blue sheen can fade and appear more green. In lower light, growth slows but the color remains deeper and more saturated.

Watering and environment need to stay consistent with higher humidity. Keep the soil lightly moist, never soggy and never fully dried out, using a mix of succulent soil, perlite, and orchid bark to keep airflow while holding moisture. This plant reacts through its fronds—if they lose that blue sheen and look flat green, it’s getting too much light. If tips brown while the frond stays firm, it’s a humidity issue. If the base softens or fronds collapse, the roots are staying too wet rather than drying out.

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from 642 reviews

Absolutely beautiful and shipped with so much love

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So glad for this!

L.W.
Monthly Plant Subscription-$40
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Simply Beautiful

Plant arrived in perfect condition. It is doing great in its new home. Definitely recommend The Rooted Plant Shop.

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This is very nice red Banana plant, all of Mel’s plants are always nice and shipped very secure and fast.

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This Cebu Blue will have you seeing stars!!!

My plants always come in perfect condition - and this one was no different. It was larger than I expected with LOTS of new leaves popping! Couldn't have asked for a better plant. Shipping was fast and affordable, definitely one of my favorite go to online plant shops. Love that I can come back to the site to check care tips on all of my plants too!

Dawn McCrory
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Excellent experience

The Rooted Plant Shop has such a vast & diverse selection of plants that surely any plant enthusiast could admire. Whatever your needs and specifics are, there is a plant there for you. I enjoy the thoughtful and careful packaging they do for shipping and the monthly plant subscription has been a delightful treat.

Tarah Wolfe
Monthly Plant Subscription-$30
Monthly Plant Subscription-$30
Lovely surprise

We got the plant I requested and two additional ones to meet my subscription! My wife loved them all!!! Even got one she wanted but hadn't seen

Katelyn Garlick
Monthly Plant Subscription-$30
Monthly Plant Subscription-$30
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