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Dill Bolting in St. Louis Heat: Annual Nature, Fall Replant Option

Dill is a cool-season annual. Heat causes bolting (flowering/seeding).

  • If flowered and brown: pull out.
  • If white powder on leaves before browning: fungal issue.
  • Any green left? Cut back—may regrow.
  • Replant mid-late August for fall harvest (leaves only, no seed).
  • Or wait for spring.

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