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Irish Spleenwort

About Irish Spleenwort

Irish Spleenwort is a super rare houseplant 🌿 that needs lots of water to thrive. They do best in moderate sunlight 🌤 and should be less than 6 feet from a window.

Irish Spleenwort likes soil that is good at retaining moisture. Your plant shouldn't need added fertilizers if you repot each time it doubles in size.

Taxonomy

Scientific name

Asplenium onopteris

Genus

Asplenium

Family

Aspleniaceae

Order

Polypodiales

Also known as

Irish spleenwort and western black spleenwort

How to care for Irish Spleenwort

💦 Water

How often to water your Irish Spleenwort

Irish Spleenwort needs 0.5 cups of water every 7 when it doesn’t get direct sunlight and is potted in a 5" pot.

Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Water 0.5 cups every
7

Does your plant get direct sunlight?

No Yes

Select the pot size

☀️ Light

Finding light for Irish Spleenwort in your home

Irish Spleenwort can tolerate being far from a window and light source.

Place it less than 6 feet from a south-facing window to ensure it receives enough light to survive 💪.

Select your region to see how the current weather in your area affects the placement of Irish Spleenwort in your home 🏡.

🪴 Nutrients

How to fertilize Irish Spleenwort

Nutrient, fertilizer, and repotting needs for Irish Spleenwort: repot after 2X growth

Most potting soils come with ample nutrients which plants use to produce new growth.

By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.

To replenish this plant's nutrients, repot your Irish Spleenwort after it doubles in size or once a year—whichever comes first.

Browse #IrishSpleenwort

💡 FAQs

💦 Water Needs

Irish Spleenwort is sensitive to dry soil and should be watered frequently. Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Irish Spleenwort Water Frequency →

Irish Spleenwort Root Rot →

☀️ Sunlight Needs

Irish Spleenwort can tolerate being far from a window and light source. Place it less than 6 feet from a south-facing window to ensure it receives enough light to survive 💪. Select your region to see how the current weather in your area affects the placement in your home 🏡.

Irish Spleenwort Light Requirements →

Irish Spleenwort Direct Sunlight Needs & Tolerance →

🐶 🐈 👶 Toxicity

Irish Spleenwort is not known to cause harm to humans or pets. Regardless, if you, a family member, a cat, or dog has ingested any plant material, please consult a doctor or a veterinarian.

💨 Humidity

Irish Spleenwort enjoys lots of humidity. Provide humidity for your plant by watering regularly and thoroughly, since plants absorb most water through their root system rather than their leaves. They may also benefit from being placed next to a humidifier.

Irish Spleenwort Humidity Needs →

🪴 Soil

Irish Spleenwort is very sensitive to dry soil, so choose a potting soil that retains moisture. A good soil will still drain well and contain lots of organic matter such as coco coir or sphagnum moss.

Best Soil Mix for Irish Spleenwort →

Best Pots for Irish Spleenwort →

When and How to Successfully Repot Irish Spleenwort →

What Are Healthy Irish Spleenwort Roots →

💩 Fertilizer

Irish Spleenwort grows very slowly and doesn’t require added fertilizer. Replacing your plant’s potting soil once a year should provide them with more than enough nutrition. Remember, plants get their energy from sunlight, not fertilizer!

How Much and When to Fertilize Irish Spleenwort →

🌎 Native Region

Irish Spleenwort is native to Worldwide.

🌦️ Growing Outdoors

USDA Hardiness Zone
Irish Spleenwort can be grown outdoors in USDA Hardiness Zones 6a-9b. Find your local hardiness zone here.

Irish Spleenwort Temperature Tolerance →

Irish Spleenwort Hardiness Zones →

Landscaping Ideas with Irish Spleenwort →

When to Plant Irish Spleenwort →

How to Plant Irish Spleenwort →

Where to Plant Irish Spleenwort →

Winter Care for Irish Spleenwort →

Best Companion Plants for Irish Spleenwort →

Is Irish Spleenwort a Weed? →

🍂 Yellow Leaves

Yellow leaves aren’t always a reason to panic, and can be a normal part of a plant’s life cycle. Unless brand new leaves are turning yellow or all the leaves change color at once, it’s likely just your plant retiring old leaves.

If it seems like there’s a problem, the most likely cause of yellow leaves in Irish Spleenwort is underwatering. The leaves may also appear to be curling or drooping. Yellow leaves can less often be caused by overwatering, nutrient deficiencies, or pests.

Give your plant a good drink and it should perk back up and download Greg to make sure your plant never goes thirsty again!

🧐 Troubleshooting

When troubleshooting a sad-looking houseplant, start by checking for signs of distress in its leaves, such as yellowing, browning, or drooping, which can indicate overwatering or nutrient deficiencies.

Inspect the soil moisture; too dry or too wet soil can cause problems.

Ensure the plant is getting the right amount of light, as too much or too little can stress it.

Finally, consider environmental factors like temperature and humidity, and adjust care routines accordingly to revive your plant.