Boston fern

Getting started

usually arrives established; a division re-roots in a few weeks

• day 0–353–6 weeks

  Settling in

  A division re-roots in a few weeks. Keep the air kind and moist.

  Settling its roots — keep the air kind and moist.

  see it on the strip ↑

Typical timeline

• the plantflush MAR – SEP

  Fronds, all year

  New fiddleheads unroll spring through summer. Brown dots under mature fronds are sori — spores, not pests! Ferns never flower; the fronds are the whole show.

  Look for coiled fiddleheads — brand-new fronds unrolling.

  see it on the strip ↑
• undergroundMAR – MAY

  Runners + roots

  Spring sends out fuzzy runners and fresh roots — the fern's quiet colonising season. A rootbound pot is the cue to divide.

  see it on the strip ↑

never flowers — it's a fern!

Quiet stretch — slower · sheds a few fronds.

Care milestones

• feedMAR – SEP

  Feed, dilute + monthly

  Feed once a month at quarter strength — that's plenty, ferns burn easily.

  see it on the strip ↑
• humidityNOV – FEB

  Humidity watch

  Keep the humidity up through winter — heated air crisps the fronds, the number-one fern complaint. Mist it, stand it on a pebble tray, or send it on a bathroom holiday.

  see it on the strip ↑
• divideSPRING · every 1–2 yr

  Divide + repot

  Divide the clump and repot in spring — it splits cleanly into new plants.

  see it on the strip ↑