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Blue Oil Fern – The Exotic Shimmering Beauty
Blue Oil Fern, also known as Microsorum thailandicum, is a rare and visually striking fern with iridescent blue-green fronds that shimmer under light. This slow-growing, tropical houseplant is a favorite among collectors for its unusual foliage and easy-care nature.
Why You'll Love Blue Oil Fern
- 🌿 Stunning, metallic blue-green foliage that changes color with light
- 🌺 Compact and slow-growing, perfect for small spaces
- ☕ Thrives in low to medium light conditions
- ✅ A unique conversation piece for any plant collection
Common Names
- Blue Oil Fern
- Microsorum thailandicum
- Shimmer Fern
Botanical Classification
- Kingdom: Plantae
- Order: Polypodiales
- Family: Polypodiaceae
- Genus: Microsorum
- Species: Microsorum thailandicum
Native Habitat
The Blue Oil Fern is native to tropical Southeast Asia, particularly Thailand, where it grows in humid, shaded forest environments. Its glossy, iridescent fronds reflect its adaptation to the filtered light of the forest floor.
Why It’s So Popular
- Highly collectible due to its rare metallic blue foliage
- Low-maintenance and adaptable to indoor conditions
- Perfect for terrariums and shaded spots
- Adds a mysterious and elegant vibe to your indoor jungle
Description
Appearance
The Blue Oil Fern features narrow, elongated fronds with a distinct shimmering blue tone. The iridescence is most visible under bright indirect light or artificial grow lights.
Growth Habit
This fern is slow-growing and remains compact, making it an excellent choice for limited spaces or mixed planters. It prefers consistent humidity and warmth.
Popular Fern Companions
Rabbit Foot Fern
- Recognized for fuzzy rhizomes and lacy green leaves.
Bird’s Nest Fern
- Wide, rippled leaves that thrive in low light and humidity.
Staghorn Fern
- Mounted showstopper with antler-like fronds.
Maidenhair Fern
- Delicate, lacy foliage with soft movement and texture.
Care Guide
Light
Prefers bright, indirect light but can tolerate lower light levels. Avoid direct sunlight.
Water
Keep soil consistently moist but never soggy. Water when the top layer begins to dry out.
Humidity
Loves high humidity. Place near a humidifier or in a terrarium for best results.
Fertilizer
Feed monthly during the growing season with diluted, balanced liquid fertilizer.
Common Issues
Crispy Fronds
Usually due to low humidity. Increase moisture levels and avoid dry air from heaters.
Fading Color
May lose iridescence in low light. Move to brighter indirect light to revive its shimmer.
Root Rot
Caused by overwatering or poor drainage. Use a well-draining soil mix and let excess water escape.
FAQs
Is Blue Oil Fern safe for pets?
Yes, it is considered non-toxic to pets. Still, it's best to keep all plants out of nibbling reach.
Can it grow in a terrarium?
Absolutely! Its size and humidity needs make it a perfect terrarium plant.
Does it actually look blue in person?
Yes, especially under bright indirect light. The shimmer is more noticeable under grow lights or morning light.
How big does it get?
It typically stays under 12 inches tall, making it a compact, space-saving addition to your collection.
Ready to Add This Iridescent Gem to Your Collection?
The Blue Oil Fern is a rare and magical houseplant that will turn heads and spark conversation. Don’t miss the chance to own this shimmering beauty.
Shop NowHow to Take care of Blue Oil Fern
Sun: Indirect
Sun: Indirect
Light: Medium - Bright
Light: Medium - Bright
Water: When mostly dry
Water: When mostly dry
Humidity: Any
Humidity: Any
Pet Friendly: Caution
Pet Friendly: Caution
Pro Tip
Pro Tip
Delivery Policy for Plant Condition
Delivery Policy for Plant Condition
"I have only received part of my order. What to do?
No worries if you've only got part of your order! Our plants come from different nurseries and might arrive in separate shipments, typically 1-2 days apart. It's all part of ensuring your green friends reach you in top-notch condition!
If you do not receive the remaining packages within 48 hours contact support at info@mygreenscape.ca
What is the Life Time Support?
Absolutely! Lifetime support means you can count on us whenever you have questions or uncertainties about your plant. Whether you're puzzled by its behavior or just want to ensure it's thriving, we're here for you. Connect with us on Instagram @mygreenscapeto or shoot us an email at support@mygreenscape.ca.
When it comes to our guarantee for plants shipped with standard or express, rest assured that we offer a 30-day happy healthy plant guarantee on all such shipments. This ensures that your plants are covered for 30 days after delivery, giving you peace of mind regarding their condition. If you have any concerns within this period, feel free to reach out to us for assistance.
For further details, please visit our Local Delivery, Store Pickup, Standard Shipping Guide Page.
What to expect
What to expect
Your plant will arrive in a standard nursery pot, typically 0.5" - 1" smaller than the stated size to seamlessly fit into your chosen decorative pot. Washable Paper Planter Bags are available for separate purchase.
Just like nature intended, each plant is unique, showcasing natural variations in size, shape, and characteristics. Our commitment is to deliver a plant that closely resembles the one featured on our website, matching your chosen size, and with the potential to thrive happily in your home.
Frequently Asked Questions
Frequently Asked Questions
Certainly! If you're pondering about ordering plants online, you're not alone. We've compiled the most frequently asked questions. Check out our FAQ section here for quick answers! Happy planting!
Plant & Pot Size Chart
Plant & Pot Size Chart
Choosing the right pot size for your plants can be a daunting task, especially if you're new to gardening. But fear not! Our pot sizes chart can help you find the perfect match for your plants, ensuring they have enough space to grow and thrive. With our guide, you'll be able to confidently choose the right pot size and plant variety for your gardening needs.
Plant Pot Size Guide.

| Extra Small | 7-10 cm | 2.5 - 3 inches |
| Small | 11-12 cm | 3.5 - 4 inches |
| Medium | 14-17 cm | 5 - 6 inches |
| Large | 19-21 cm | 8 - 10 inches |
| Extra Large | 24-27 cm | 12 - 14 inches |
All sizes are specified in product details.
Your Complete Guide to Pot Sizes: What Size Should You Choose?

When selecting a pot for your plant, it's important to find the right size. But with all the different options out there, how do you know which one is best? We're here to help!
MyGreenscape's pot sizes chart is a great resource for finding your perfect fit. Our easy-to-read chart takes out all the guesswork and helps you quickly choose the right size for your plant.
Smaller pots are best for seedlings or small plants just starting out. These tend to be shallow but wide, allowing enough room for the roots of the young plant but not too much where they get overcrowded. Medium-sized pots are ideal when your plant has grown from its infancy and is ready for more space. These are deeper and wider than small pots, so that it can accommodate larger root systems - making sure your plant gets enough nourishment while still giving it breathing room. Large pots are top choice if you have an established plant in need of lots of space - think trees and large shrubs! The spacious depth and width allow plenty of room for deep root systems without struggling for air or light.
No matter what size you choose, MyGreenscape has got you covered, with our pot sizes chart guaranteeing you find the perfect fit every time!
Winter Shipping Protection
Winter Shipping Protection
We take extra care with each package during the colder months. For destinations experiencing cold weather, we provide insulated packaging and heat packs as needed to protect your plants from freezing temperatures. With Winter Shipping Protection, your plants are equipped to arrive safe and sound, even in winter’s chill.
Care Guide
Care Guide
Explore essential care tips. check out our Comprehensive Resource for Indoor Plant Care.

WATERING MADE EASY
Check soil moisture before watering and use a potting mix that drains well. It’s the secret to healthy, happy plants!
Hear From Happy Plant Parents.
Who have brought Mygreenscape plants into their homes.