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All About Dahlias: Growing Tips, Care Guide, and Common Pests & Diseases

Discover different types of dahlias, from ball and pompon to cactus and waterlily varieties. Learn how to care for them with proper watering, fertilizing, and handling pests. Follow step-by-step instructions on dividing clumps to maintain healthy dahlia plants. Keep your garden blooming beautifully with these tips!

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All About Dahlias: Growing Tips, Care Guide, and Common Pests & Diseases

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  1. All About Dahlias!

  2. Dahlia typesBall and Pompon (smaller-2”)

  3. DecorativeFormal - Informal

  4. Cactus • Semi-Cactus

  5. Collarette

  6. Waterlily • Anemone

  7. Tree Dahlia

  8. Single • Orchid type

  9. Use Garden soil + ammendments

  10. Pinch, Cut, Deadhead

  11. Water & Fertilizing Don’t water until dahlias have sprouted Deep watering 2 – 3 times per week Fertilize with low nitrogen fertilizer every 3 – 4 weeks 5 – 10 - 10

  12. Pests & Diseases Powdery Mildew

  13. Pests & Diseases Spider Mites

  14. Pests & Diseases Earwigs and Cucumber Beetles

  15. Pests & Diseases Snails and Slugs

  16. Pests & Diseases Root and Crown Rot

  17. http://ipm.ucanr.edu/PMG/GARDEN/FLOWERS/dahlia.html

  18. DIVIDING CLUMPS REMOVE ALL SOIL BY WASHING WITH WATER OR BRUSHING OFF. NOW YOU CAN SEE WHERE TO BEGIN.

  19. MOTHER TUBER REMOVE THE ‘MOTHER TUBER’. THIS IS THE TUBER FROM THIS YEAR’S GROWTH. IT HAS EXPENDED ALL ITS ENERGY. DISCARD TO COMPOST.

  20. REMOVE DAMAGED/THIN THIN/NARROW NECKED TUBERS DAMAGED/SOFT

  21. EYE LIKE A POTATO

  22. REMOVE TUBER FROM CLUMPALLOW CUTS TO DRY

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