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Best Germination Techniques for Sakura Seeds (Cherry Blossom)

October 3, 2018 by GardenGuy

A commonly overlooked step for seed germination of Sakura seeds is stratification.

Stratification is the process of exposing seeds to simulated conditions in nature, this conditions such as winter must be experienced before germination for certain types of seeds can occur.

As with maple tree seeds, it is highly recommended to expose Sakura (Cherry Blossom) seeds to winter conditions to achieve a high germination rate.

Winter Stratification Tips and Techniques

What You Will Need:

  1. Ziplock bag
  2. Some moist kitchen paper
  3. Plant labels
  4. 10% Hydrogen peroxide solution(common bleach) *optional but recommended
  5. Sieve
  6. Gardening gloves
  7. A pair of Tweezers

4 Steps for Winter Stratification

  1. Rinse the Sakura (Cherry Blossom) seeds gently in a sieve.
  2. Use gardening gloves and soak the Sakura (Cherry Blossom) seeds into the 10% hydrogen peroxide solution for about 10 minutes.* This step is optional but it helps prevent possible mould on your seeds.
  3. Pick up the seeds with a pair of tweezers and put them into a moist kitchen paper, then put them into a zip lock bag. Finish by labelling them and then refrigerate them. (Do not put into a freezer. Let them stay in the lower part of a refrigerator – the part where you usually store vegetables or fruit will be fine.)
  4. Sprouting should start in 2-8 weeks, depending on the variety. Some variety takes up to months to start germination. Check for germination once a week and if necessary, moisturize the kitchen paper to maintain humidity.

Post Stratification Step

Transfer the seedlings with a pair of tweezers into small pots with a potting mix designed for cultivating Roses.

*If you prefer not to use stratification, highly discouraged in the opinion of Greenhouse Fanatics .

Steps for Direct Germination (No Stratification)

What You Will Need:

  1. Potting mix (detailed in the product listing information and on the seed package). Basically, ask the nursery for compost designed for Roses it should fitВ well.
  2. Seed Tray.
  3. 10%-12% Hydrogen Peroxide solution (common bleach) *optional but recommended for direct germination.
  4. Gardening glove
  5. A pair of Tweezers
  6. Copper-based fungicide
  7. Sieve

4 Steps for Direct Germination

  1. Rinse the Sakura (Cherry Blossom) seeds gently in a sieve.
  2. Use a gardening glove and soak the Sakura (Cherry Blossom) seeds into the 10% hydrogen peroxide solution for about 10 minutes.

*don’t skip step 2 it greatly decreases the chance of mould forming around your seeds.

  1. Pick up the seeds with a pair of Tweezers.
  2. Sow your seeds on to the top layers of your growing medium in your pot or in seed trays.
  3. Cover the seeds with a thin layer of soil – not more than 2 cm.

(Optional but recommended)

Once germinate, or after transferring seedlings from stratification, use a Copper based fungicide to prevent moulding problems. Follow the instructions on the fungicide label for amount and frequency of application.

Soil Quality For Both Methods

Preferably, add about 30% of coarse sand (or any sandy soil) to achieve better drainage). The compost should be slightly acidic and a bit sandy.В To minimize possible mould problems, make sure the compost you bought is sterile (most commercial composts are). Preferably, buy a new pack instead of using an already opened one.

Pro Tips:

  1. Do not plant the seeds or seedlings under extreme temperatures. Temperatures below 15В°C (59В°F) or above 30В°C (86В°F) normally guarantees a poor result.
  2. Stratification may not be necessary if the seeds are very fresh (i.e. harvested in season).
  3. The seed germination rate decreases the longer the seeds are stored. Thus, if you are unsure how long your seeds have been stored, treatment with stratification is highly recommended.

Your Thoughts.

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A commonly overlooked step for seed germination of Sakura seeds is stratification. Stratification is the process of exposing seeds to simulated conditions