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Today’s Common Gardening Question: How much water do sunflowers need?

The Answer: Sunflowers need between 1 and 2 inches of water per week during the germination period (when the seeds are in the ground and taking root). During the main growing season these giant flowers require around 2 inches of water each week.

Keeping the soil moisture consistent during the entire growing season is key to growing sunflowers successfully, and having an abundant number of blooms and seeds to harvest.

Related Video Answer:

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How to Water Sunflowers (and Tips)

  1. Once planted, water the area twice per day (thoroughly soaking the ground)
  2. Apply the water directly to the bases of the sunflower stalkers
  3. During growing season give the plants 1 inch of water per week
  4. Use a hose for watering, or a sprinkler system (though a or watering can or bucket works too)

Tips and Tricks for Watering Sunflowers

  • Check the soil before watering, but keep a constant watering regiment
  • Do not over water (it may be better to slightly underwater here and there than to overwater)
  • When flowers start forming and blooming increase the amount of water
  • Reduce water during periods of rainfall, increase during dry-spells

How Much Water do You Give Your Sunflowers?

Sunflowers thrive in the full sun, that means their soil gets dehyrdated quicker than soil that gets some shade during the day. Watering them properly is crucial if you want to keep them hydrated and producing new flowers and more seeds for as long as possible each year.

Just remember to give your sunflowers at least 1 inch of water per week or more and you should be ok. Adjust to the weather and provide extra water during the hottest times of the year.

Do you have a watering tip or trick for watering sunflowers? If so, why not share with our audience in the comments section below? We’d love to hear from you!

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