Adder's-tongue Fern (Ophioglossum Vulgatum) is a perennial fern in the Ophioglossaceae family with moderate care difficulty. It requires moderate watering and partial shade or full shade light in USDA hardiness zones 5-8. This plant is safe for cats and dogs.

Ophioglossum vulgatum is a small fern species known for its distinctive fertile spike and dark green ovate leaves.

Adder's-tongue Fern

Adder's-tongue Fern

Ophioglossum Vulgatum

Ophioglossum vulgatum is a small fern species known for its distinctive fertile spike and dark green ovate leaves.

Quick Facts

Type
fern
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
Moderate
Light
Partial Shade, Full Shade
Hardiness Zones
5-8

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:loamy, silty, peaty
Indoor:No
Outdoor:Yes
Garden Use:groundcover, ornamental fern

Care Calendar

Monthly care tasks for Adder's-tongue Fern

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Adder's-tongue Fern
Adder's-tongue Fern detail

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Taxonomy

Family:Ophioglossaceae
Genus:Ophioglossum