Microsorum thailandicum (Blue Oil Fern)
Best exotic fern for terrarium hobbyists seeking unique blue foliage.
Introduce the captivating Microsorum thailandicum, also known as the Blue Oil Fern, a unique addition to any plant collection. This fern is celebrated for its distinctive blue-toned foliage, offering striking visual appeal. It thrives best in the humid, shaded environments characteristic of terrariums or dimly lit indoor spaces. Its unusual textures and colors make it an excellent choice for plant enthusiasts seeking to enhance shaded areas or create a distinctive look in their terrariums. This plant brings a touch of the exotic to your indoor jungle.
$22.99
Owner Satisfaction
4.7
/ 5
Category Rank
61
/ 2693
#61 in Plants
Price vs Category Average
-47%
Below average
Plant Type
Fern
/ Fern
Who it's for
- Collectors seeking a unique, eye-catching centerpiece for their display
- Vivarium hobbyists maintaining high-humidity tropical ecosystems
- Plant owners wanting resilient ferns without constant daily attention
Who should skip it
- Houseplant owners without a dedicated terrarium or greenhouse setup
- Budget-conscious gardeners who prefer fast-growing, affordable greenery
- Decorators expecting consistent, vibrant color from every viewing angle
Performance breakdown
Visual uniqueness
Iridescent blue foliage creates a striking focal point in any terrarium.
Terrarium compatibility
Perfectly adapted to the high-humidity, low-light conditions of enclosed glass environments.
Growth rate
A slow grower that requires patience to reach full, lush maturity.
Care difficulty
Demands consistent moisture and stable conditions to maintain its vibrant color.
Shade tolerance
Thrives in dim corners where most other houseplants would struggle.
Texture profile
Unique frond structure adds sophisticated depth to mixed botanical displays.
Key Specs
Plant Type
Fern
Part Number
F-MT
Scientific Name
Microsorum thailandicum
Common Name
Blue Oil Fern
Features
- Distinctive blue-toned foliage
- Ideal for terrariums
- Thrives in shade
- Adds unique texture
- Enhances humid environments
- Captivating visual appeal
What customers say
Customers are overwhelmingly positive about the exceptional quality and unique design of the Blue Oil Fern. Reviewers frequently highlight the plant's robust health and vibrant, iridescent blue sheen upon arrival, noting it perfectly matches the product description. The careful, secure packaging employed by Black Jungle Terrarium Supply is consistently praised, ensuring the delicate specimen arrives in pristine condition. This high standard of quality makes the fern a standout addition for specialized terrarium enthusiasts seeking rare, beautiful specimens.
Know before you buy
The blue appearance is caused by a unique structural coloration in the leaves that reflects light differently than standard green plants. This iridescent quality is most visible when the plant is grown in low-light conditions.
While it can be grown in a pot, this fern thrives best in high-humidity environments like terrariums or glass enclosures. If kept in a standard room, you will need to provide consistent misting or a pebble tray to maintain the necessary moisture levels.
No, direct sunlight will likely burn the delicate fronds. This species is specifically adapted to shaded environments and performs best in low to medium indirect light.
The Blue Oil Fern is relatively slow-growing and compact, making it well-suited for small to medium-sized terrariums. It will not quickly outgrow its space, but it does appreciate good airflow within its enclosure.
It prefers a well-draining, moisture-retentive substrate, such as a mix of sphagnum moss, coco coir, or a specialized terrarium soil blend. Ensure the roots remain damp but never waterlogged to prevent rot.
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$23