Long-stem Adder's-tongue (Ophioglossum Petiolatum) is a perennial fern in the Ophioglossaceae family with moderate care difficulty. It requires moderate watering and partial shade or filtered_light light in USDA hardiness zones 8-11. This plant is safe for cats and dogs. It can be grown indoors.

Ophioglossum petiolatum is a species of fern in the family Ophioglossaceae, characterized by its distinctive stalked fertile fronds.

Long-stem Adder's-tongue

Long-stem Adder's-tongue

Ophioglossum Petiolatum

Ophioglossum petiolatum is a species of fern in the family Ophioglossaceae, characterized by its distinctive stalked fertile fronds.

Quick Facts

Type
fern
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
Moderate
Light
Partial Shade, filtered_light
Hardiness Zones
8-11

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:loamy, peaty, well-drained
Indoor:Yes
Outdoor:Yes
Garden Use:groundcover, botanical interest, moisture indicator

Care Calendar

Monthly care tasks for Long-stem Adder's-tongue

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

Long-stem Adder's-tongue
Long-stem Adder's-tongue detail

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Taxonomy

Family:Ophioglossaceae
Genus:Ophioglossum
Long-stem Adder's-tongue Care Guide - How to Grow Ophioglossum Petiolatum | PlantPeek