Rusty Woodsia

Rusty Woodsia

Woodsia ilvensis

Family: Aspleniaceae

Medium

Rusty Woodsia (Woodsia ilvensis) is a upright houseplant from the Aspleniaceae family. Non-toxic to pets. Moderate to advanced care requirements.

IndoorPet Safe
Light
Medium light
Water
Every 5 days
Size
40" tall
Difficulty
3/5

Complete Care Guide

Light Requirements

Thrives near east-facing windows or a few feet back from south/west windows. Needs consistent but not intense light.

Watering

Water when the top 1-2 inches of soil feel dry. Consistent moisture is preferred but brief dry periods are tolerated.

Typical schedule: every 5 days (adjust for season and environment).

Humidity

This plant loves moisture in the air. Keep humidity above 50-60% using a humidifier, pebble tray, or by grouping plants together. Bathrooms with natural light are often ideal.

Temperature

Keep between 6080°F (1627°C). Avoid cold drafts, heating vents, and sudden temperature changes.

Size & Growth

Mature size: approximately 40 inches tall × 33 inches wide. Growth rate is slow. Habit: upright.

Difficulty Level: 3/5

Moderate care requirements. Needs reasonably consistent watering, appropriate light, and attention to humidity. Best for someone with a few plants already.

Quick Tips

  • Water approximately every 5 days
  • Prefers medium light conditions
  • Humidity preference: high
  • Keep between 60-80°F

Common Problems & Solutions

Brown leaf tips

Cause: Low humidity, inconsistent watering, or mineral buildup from tap water

Fix: Increase humidity with a pebble tray or humidifier. Use filtered water. Water on a consistent schedule.

Scorched or bleached leaves

Cause: Too much direct sunlight burning the foliage

Fix: Move away from direct sun. This plant prefers filtered or indirect light.

Drooping or wilting

Cause: Usually underwatering or sudden temperature change

Fix: Water thoroughly and ensure consistent moisture. Avoid cold drafts and heating vents.

Crispy leaf edges

Cause: Humidity too low for this tropical plant

Fix: Group plants together, use a humidifier, or place on a pebble tray. Bathrooms often provide ideal humidity.

Pet Safe

Rusty Woodsia is non-toxic and safe for households with cats and dogs. Verified against the ASPCA Toxic and Non-Toxic Plant Database.

Where to Buy

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Frequently Asked Questions

Is Rusty Woodsia safe for cats and dogs?

Yes! Rusty Woodsia is non-toxic to both cats and dogs according to the ASPCA. Safe to keep in homes with pets.

How often should I water Rusty Woodsia?

Water approximately every 5 days, but always check the soil first. Water when the top 1-2 inches of soil feel dry. Consistent moisture is preferred but brief dry periods are tolerated. Adjust frequency based on season — less in winter, more in summer.

How much light does Rusty Woodsia need?

Rusty Woodsia prefers medium light conditions. Thrives near east-facing windows or a few feet back from south/west windows. Needs consistent but not intense light.

How big does Rusty Woodsia get?

Indoors, Rusty Woodsia typically reaches about 40 inches (102 cm) tall with a spread of around 33 inches. Growth rate is slow. Size depends on pot size, light, and care.

Is Rusty Woodsia good for beginners?

Rusty Woodsia has a difficulty rating of 3/5, so it's best for intermediate plant parents. It needs more specific conditions to thrive.