Blueberries

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How to Grow Blueberries in Pots (Australia Guide)

Blueberries are perfect for containers if you control three things: pot size, acidic mix (pH 4.5โ€“5.5), and a regular feeding routine. Pots make it easier to keep soil acidic and well-drained, which blueberries love.

  • Choose the pot: Minimum 40โ€“50cm wide & deep, with multiple drainage holes.
  • Best materials: Plastic, glazed ceramic, or terracotta (use a saucer that drains).
  • Sunlight: 6+ hours of sun daily; give light afternoon shade in hot summers.
  • Varieties: Pick compact/lowโ€‘chill types for warm zones; standard types suit cooler areas.
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Potting Mix, Planting & Care

  • Mix: Use an acid-loving (ericaceous) potting mix. For DIY: 50% azalea/camellia mix + 30% pine bark fines + 20% perlite.
  • Planting: Set the crown level with the soil surface; donโ€™t bury it deep.
  • Mulch: Pine bark or needles to retain acidity and moisture.
  • Watering: Keep evenly moistโ€”never waterlogged. Let the top 2โ€“3cm dry slightly between waterings.
  • Pruning (winter): Remove dead/weak wood; keep 6โ€“8 healthy canes; renew older canes gradually.
  • Repotting: Every 2โ€“3 years to refresh acidity and root space.
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Feeding Schedule for Potted Blueberries

  • Early spring (bud swell): Start with a balanced liquid feed (light dose) to push new shoots.
  • Preโ€‘flower to fruit set: Continue balanced feeding; avoid heavy nitrogen that makes leaves not fruit.
  • Fruiting (summer): Feed every 2โ€“3 weeks in pots (nutrients leach faster).
  • Postโ€‘harvest (autumn): Give a light feed to rebuild reserves, then pause in winter.
Recommended: Use a balanced, acidโ€‘supportive feed such as a 20โ€‘20โ€‘20 liquid at diluted rates for pots. For full details, see Best Fertiliser for Blueberries.

FAQs

  • Do pots need acidic soil? Yesโ€”target pH 4.5โ€“5.5 to prevent nutrient lockout.
  • How often to water? Little and often; never let pots dry out during flowering/fruiting.
  • When will they fruit? Usually late springโ€“summer; lowโ€‘chill types fruit earlier in warm zones.

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