
How to make dahlia cuttings
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Cuttings are clones of the mother plant, which means they will grow truth to the cultivar and the bloom will be exactly the same as the mother plant. Below are a few ways to take cuttings to make the most out of your dahlias. I'll update this post as I finish making the infographic for each cutting options.
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Tuber pull or Pinching
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Lateral cutting
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Leave cutting
What you will need
- Rooting medium: Root Riot Cube/ Potting Soil
- Clean scalpel or snips
- Sanitizing solution (10% bleach/90% rubbing alcohol/Virkon S)
- Rinsing solution: diluted solution of soapy water/ Captain Jack’s Dead Bug Brew or similar product
- Rooting Hormone (optional)
- Humidity Dome & Grow Light
- Optional: Sticky traps for fungus gnats, Copper Fungicide for powdery mildew, systemic spray for fungus, mites, and insects - Captain Jack’s dead bug brew, Bio Advance 3 in 1
Some tips
- When taking a lateral cutting, try to get those as low to the soil surface as you can. They’re more likely to contain natural rooting hormone and will root faster.
- It is very important to clean your cutting with a Rinsing Solution before inserting it into a rooting medium. Adding this extra step has helps prevented powdery mildew, gnats, thrips, aphids and mite problem from breaking out in my growing environment.
Part 1: Tuber Pull or Pinching
Part 2: Lateral Cutting
Part 3: Leave Cutting