Repotting Large Boston Fern: Upsize or Root Prune

Two Options for 4-Foot Fern

Go larger: One pot size up, peat-based mix, loosen outer roots.
Stay same size: Root prune—slice off ½ inch of rootball all around and bottom. Add ½ inch fresh soil to bottom and sides. No need to scrub pot.

Heavy root systems make watering difficult when potbound. Choose based on desired final size.

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