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 Botanic Garden >> Gardening >  >> Question and Answer >> Container Gardens

Mini Carnations Not Blooming: Rejuvenation Checklist

Mini Carnations (Dianthus) Need Specific Conditions

Two years in same pot with no flowers suggests one or more "too's":

Diagnose & Fix

Possible IssueSolution
Too little sunNeed 6+ hrs direct sun. Move to sunniest spot.
Too much nitrogenSwitch to bloom booster (high P, low N).
Root-boundRepot in fresh mix, slightly larger pot.
Old plantsDianthus are short-lived perennials (2-3 yrs). Replace.
Too wet/dryWater when top inch dry. Excellent drainage essential.
No deadheadingRemove spent blooms to trigger new buds.

Rejuvenation Steps

  1. Repot in gritty, alkaline mix (add lime).
  2. Full sun, water when dry.
  3. Fertilize monthly with 5-10-5 or tomato feed.
  4. Deadhead religiously.
  5. If no response in 4-6 weeks, replace with fresh plants.

Climate extremes (heat waves, unusual rain) can also disrupt bloom cycles.

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Mini Carnations Not Blooming: Rejuvenation Checklist

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