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Fix crochet edges that keep growing or shrinking

Count the last complete row before changing the hook. If your stitch count keeps changing, check where you put the hook and whether the turning chain counts; if the count is steady, check your tension.

US termsNeeds: Single crochet
Start here

Mark the first and last stitch of the row, and count before every turn.

Before you start: Single crochet

Three shape problems: an edge that grows, a piece that cups and an edge that ruffles. Growing edgeCuppingRuffling
Three shape problems: an edge that grows, a piece that cups and an edge that ruffles.

Compare the count with the shape

Compare the count with the shape
SymptomCheckTry next
Edge widens and the count risesLook for 2 stitches in an edge stitch or a stitch in an uncounted chain.Undo to the extra stitch and work each counted top once.
Edge narrows and the count fallsFind the last stitch and any counted turning-chain top.Undo to the skipped stitch, mark it and include it.
Count is right but edge wavesCompare starting-chain tension and row height.Swatch the same stitch with a more consistent working loop.

Use a marked row

  1. Work a practice row of 10 single crochets. Put a removable marker in the first and last top V.
  2. Chain 1 and turn; do not count it. Work in the first marked stitch and every stitch across, including the last marked stitch.
  3. Move the markers into the new first and last stitches. Count 10 before the next turn.
  4. If the count differs, inspect this row now instead of repeating the error across the project.

Use the pattern’s chain rule

Some double-crochet patterns count their starting chain as a stitch. Those rows usually finish in the previous turning-chain top. Other patterns do not count it and start in the first full stitch.

Do not switch conventions partway along a pattern. If both counts and tension are consistent but a shaped project changes width, check whether increases or decreases are intentional.