How to Care for Dahlia Plants to produce more Flowers

DAHLIAs are extremely beautiful flowers which blooms annually. These plants have tuberous roots.  There are over 42 species of dahlias which are available in a range of extremely wide variety of forms and colors. Let’s discuss about how to care for Dahlia Plants.

how to care for dahlia

Dahlia Flower

Find the Ideal Place

  • Keep your plant in full sun. Dahlia loves direct sunlight & especially morning sunlight.
  • 6 – 8 hours of direct sunlight will help your plant to produce more flowers.
  • Plant dahlias in nutrients rich & well drained soil.
  • If the soil is clayey in nature, add sand/ peat moss/ Coco Coir or well matures organic compost for better drainage.
  • Stake the dahlia plant for support.

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  • Dahlia doesn’t like soaking wet soil.
  • Water the plant 2-3 time a week & try to water the deep, so that the soil till the bottom of your pot gets wet.
  • May increase the water cycle depending upon the climate (if it is dry & warm)


  • Fertilize the plant with low nitrogen fertilizer like 5:10:10 or 10:20:20 once a month.
  • If using organic compost, apply the one which has less nitrogenous components.
  • Don’t over-fertilize as dahlia are very sensitive to it.
  • Don’t apply fertilizer late in the season.

Pests and Diseases

  • Normally the following pests found on dahlia: Aphids, Powdery Mildew, Mites, Earwigs etc.
  • Spray the plant with insecticidal soap to remove pests.
  • If the situation is more serious then apply pesticides.

Tips to produce more flowers

  • Pinch the very first flower. This will help the plant to grow more & produce more flower buds.
  • Prune the plant regularly.
  • Cut all the spent flowers & deadheads.
  • Cut all the dried & semi-dried leaves and branches.

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