hydrangeas

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Do Hydrangeas Need a Lot of Water?

Yesโ€”hydrangeas are thirsty plants. Their large leaves and flower heads require steady moisture to stay healthy, especially in Australiaโ€™s hot summers.
  • Garden Beds: Deep water 2โ€“3 times per week in warm weather.
  • Potted Plants: Check daily in summerโ€”water whenever the top 2โ€“3cm of soil feels dry.
  • Mulch: Essential for retaining moisture and protecting roots from heat stress.

Hydrangeas will quickly show signs of stress if water is lackingโ€”wilting leaves by midday is a common indicator.

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How to Water Hydrangeas

Hydrangeas donโ€™t like dry spells, but they also dislike soggy soil. Consistent, deep watering is best.

  • Deep Soaks: Water at the base to reach roots, rather than light sprinkling.
  • Morning Watering: Best time to water, reducing evaporation and disease risk.
  • Pots: Use saucers sparingly. Empty excess water to avoid root rot.
  • Seasonal Adjustments: Water more often in summer, less in winter dormancy.

Always water before applying fertiliser. This protects roots and helps nutrients from CompleteGrow fertilisers absorb effectively.

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Watering Problems & FAQ

Common Watering Issues

  • Wilting in midday heat: Normal if leaves recover by evening. If not, increase watering.
  • Yellow leaves: Can signal overwatering or poor drainage.
  • Brown tips: Usually linked to irregular watering or fertiliser burn on dry soil.

FAQ

  • Q: Do hydrangeas need daily watering? A: In pots, yes during summer. In garden beds, 2โ€“3 deep soakings a week is enough.
  • Q: Can you overwater hydrangeas? A: Yesโ€”soggy soil causes root rot. Ensure good drainage.
  • Q: Should I mist hydrangea leaves? A: No. Water at the base to avoid fungal disease.
  • Q: Whatโ€™s the best way to water hydrangeas before fertilising? A: Give a deep soak, then apply a balanced fertiliser like CompleteGrow NPK 20-20-20 for safe nutrient uptake.

Final Recommendation: Hydrangeas need consistent moisture, especially in summer. Pair regular deep watering with CompleteGrow fertilisers for healthy leaves and long-lasting flowers.

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