Species Name: Microsorum thailandicum

Common Name(s): Blue Oil Fern

Defining Characteristics:

• Iridescent blueish sheen to the leaves
• Lithophytic/epiphytic fern, in nature it grows on rocks or in stony soil, deriving nourishment from the atmosphere or surrounding debris

Recommended Pot Size: Small - Large 

Josh’s Frogs offers a wide variety of supplies for all of your indoor gardening needs.

Temperature Requirement (°F): The ideal temperature range for growth is 60-75°

Humidity: Above 60%

Watering Frequency: Keep the soil consistently moist, but do not let the plant sit in water as to not overwater

Lighting: Bright indirect light, can tolerate lower light conditions

Soil Type: Semi-chunky mix that allows the roots to breathe but retains ample moisture as to not allow the roots to dry out completely.

Growth Rate: Slow 

Height at Maturity: 12-18 inches

Origin: Southeast Asia

Regional Locality: shaded jungles of Southeast Asia, particularly in limestone-rich regions

USDA Hardiness Zone: 10a-13b

Suggested Vivarium/ Animal Terrarium Use: 

Care Notes: The blue oil fern is an epiphyte that thrives in high humidity (above 60%).  Plant it in a semi-chunky mix that allows the roots to breath but retains ample moisture as to not allow the roots to dry out completely. 

Shipping Notes: Generous LIVE ARRIVAL GUARANTEE offered.

As good practice, Josh's Frogs recommends washing all plants thoroughly, removing as much soil as possible with dechlorinated water before placing them in their final home. Live plants may vary in color, size, and appearance.

ALL PLANTS ARE SHIPPED IN POTS WITH SOIL OR OTHER MEDIA UNLESS IT IS DEEMED NECESSARY TO SHIP BARE ROOT.

Standard pot sizes for Josh's Frogs plants typically range from 1.25-3.5 inches.