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Taxonomy
Asplenium adiantum-nigrum
Asplenium
Aspleniaceae
Polypodiales

How to care for Black Spleenwort
How often to water your Black Spleenwort

every 7
Black 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
Finding light for Black Spleenwort in your home

a window
Black 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 Black Spleenwort in your home 🏡.
How to fertilize Black Spleenwort

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 Black Spleenwort after it doubles in size or once a year—whichever comes first.
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Drainage puddle Is this much drainage normal? It happens everything I water Hera since she likes LOTS of water #blackspleenwort #plantaddict #plantsmakepeoplehappy #plantmafia #planttherapy
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How can I propagate my Black spleenwort? #BlackSpleenwort
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Fern Should I be misting my fern? The leaves are turning brown and when I looked it up it said underwatering or low humidity.
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Added some little cuties in #potsthatarenotpots to the #plantsinmybedroom under the #growlights ....Such a great day today! 🥰 #blackspleenwort #nerveplant
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How to know when to snooze When I go to water my black spleenwort, Greg says the soil should be moist and right now I get reminders to water her every 2 days, but that seems like a lot. I'm not sure when I should snooze it because I know ferns like it nice and wet and humid but idk how wet is too wet. #plantaddict #plantsmakepeoplehappy #plantlover #plantmafia #planttherapy #greggang #blackspleenwort #notsohappyplants
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Gnats vs. Buttchug ⚔ I have a fern that's been attracting gnats since she likes moist soil and I heard #buttchugging can help prevent it but I'm not sure if I should do anything different or what. Any advice would be appreciated 😅🙏 #gnats #plantaddict #plantsmakepeoplehappy #plantlover #plantmafia #planttherapy #blackspleenwort #greggang
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Hera health So I finally started to water hera via #buttchug like y'all recommended and she's finally showing new growth🥰 ...but her leaves are starting to brown. She's never been the healthiest, just kinda vibing, not growing not dying. Anyone know what causes this mixed reaction? I've been misting her once a day or whenever I remember #blackspleenwort #fernfriends #plantaddict #plantsmakepeoplehappy #plantlover #plantmafia #planttherapy #greggang #happyplants #notsohappyplants
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New to this behemoth. It is droopy and crispy underneath. We just had a few weeks of heat. It sits outside on a covered porch. How can I help ut bounce back? #BlackSpleenwort
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Spleenwort fern with discolored leaves Fern Brady almost completely died this winter, then started putting up new shoots in the spring, but the leaves are getting these dark streaks and turning yellow. Any ideas about what might be wrong?
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Leaves turning brown and dry immediately after purchasing :( what am I doing wrong? #birdsnestfern
Care Summary for Black Spleenwort
Black Spleenwort
Greg recommends:

0.5 cups every 7 days

< 6ft from a window

Repot after 2x growth
Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.
