Leaf Journal
Cover of The fern file

Field guide · PDF

The fern file

The 350-million-year survivor that can't survive your living room — the honest fern dossier.

€15incl. VAT

  • Instant download — the PDF is yours right after payment
  • 30-day money-back: one email to hello@leafjournal.app, refund follows
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Prefer the lot? The fern person's pack for €35 — save €10.

Ferns are the oldest plant on your shelf and the one you're most likely to bin. This is the honest dossier: the crisp finally explained (it's the air, not the can), the one watering rule that runs backwards, the bathroom she actually wants, seven ferns rated from forgiving to final boss, and how to bring a crispy one back from bald.

  • · 21-page PDF
  • · Print-at-home
  • · Personal licence

What's inside

  • The honest review
  • The care card + the one fern rule: never let her dry out (the reversed watering rule)
  • The crisp, decoded
  • The humidity fixes honestly rated
  • The bathroom she wants + the shady truth (shade-tolerant is not a cave)
  • Seven ferns as specimen cards
  • Fronds & fiddleheads (hands off the coils) + the fern haircut: cut it all back, she returns from the crown
  • Her diary page, a moisture-and-humidity log, and a cut-out pot stake + division gift tag

Who's behind this

I'm not a botanist, and I don't have 150 plants — I keep a windowsill's worth, and I've killed a few learning how (a Calathea in eleven days is how this whole thing started). When something goes wrong I go down the rabbit hole: the studies, the extension-horticulture pages, the 2am forum threads, and every horror story plant people send in on @leafjournal on TikTok. These guides are that mix — hands-on experience checked against the research, cleaned up and told straight. No lab, no sponsorships, no “trust me.” Just what actually keeps a plant alive, so yours isn't the one that learns it the hard way.

Best value

The fern person's pack

The fussy, humidity-hungry ones, honestly decoded.

The fern file · The calathea file · The humidity handbook

€35€45

More plant files

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Quick answers

How do I get the guide?

Right after payment you land on a download page, and the link also arrives in your inbox. It's a PDF — read it on your phone, tablet, or print it.

Do I need an account?

No. Your email address is all it takes — that's where the download goes.

What if it's not for me?

Email hello@leafjournal.app within 30 days and you get your money back. No forms, no questions. I'd rather refund you than have you own a guide you don't use.

If this guide doesn't help you, I'll refund it — email hello@leafjournal.app within 30 days and it's done.

The fern file

€15incl. VAT