What you'll need to do to grow your rose seeds: 

Containers: jars, plastic bags, etc. I use baby food jars. 

Sterile soil mix. Bake soil in a pan at 250 degrees for 30 minutes, or use peat which naturally resists bacteria. I use jiffy peat pellets or good potting soil. Some people even use moistened paper towels, or sand. Whatever works for you. Hydrogen peroxide. It prevents damp-off, a condition where your seedlings rot at the soil line. 

Water 1-cup measuring cup and tablespoon Seed starter soil mix 

  1. In a 1-cup measuring cup, add 1 tablespoon of hydrogen peroxide. Fill cup the rest of the way with water. This will be a 1:15 ratio. 
  2. Gradually add this mixture to your soil until it has the same moisture content as fresh-turned soil. If it's too wet it will rot the seeds. If it's too dry it will inhibit germination. If you get it too wet, you can either try squeezing it out or leaving it out overnight. Add the mixture to your jar and refrigerate. 

    3. Soak seeds in water/hydrogen peroxide solution for 6-12 hours. Place them in the chilled jar and return to refrigerator. 

    4. Wait three months. 

    5. It helps to vary the temperature a little during the last month in the fridge. Do NOT freeze! At the end of the three months, remove and find a warm spot (70-75 degrees) to place them in overnight. Check for germination of seeds, and then place back in the fridge overnight. Temps of 80 degrees will stop germination. 

    6. When looking for germination, you will see a single root-tip breaking through the seed. If you see lots of fuzzy little roots, it's mold (don't worry). There's a distinct difference. 
  3. If you need to add water to your planting mix, use the water-hydrogen peroxide mix. 

    8. Plant your germinated seedling. Make sure that it's covered by soil or the root will curl around the seed like a snail. Don't plant too deep, either; try for about 1/4 inch deep. 
  4. Water the seedling with the water-hydrogen peroxide mixture; don't over/under water. 
  5. You can lightly fertilize with a weak (about 25%) water-soluble fertilizer (like Miracle Gro) when they get their second leaves. 

    11. Repeat-blooming roses bloom after about 2 months. Once-blooming roses bloom after about two to three years.


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