Seeds

Zanthoxylum Schinifolium Seeds, Sansho Pepper Tree



$3.50 $5.38

Shipping to United States: $5.38
  • Details
    **Zanthoxylum schinifolium**, also called "Japanese pepper" or "Japanese Sichuan pepper", is a plant prized for its seeds and aromatic leaves. Here's how to sow it:

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    ### **Materials required:**
    - Seeds of **Zanthoxylum schinifolium**.
    - Well-draining substrate (potting soil, sand or perlite).
    - Seedling pots or trays.
    - Tray for soaking seeds.
    - Plastic film or mini greenhouse (optional).

    ---

    ### **Sowing steps:**

    #### 1. **Seed preparation:**
    Zanthoxylum schinifolium seeds have a hard shell that requires preparation to improve their germination rate:
    - **Soaking:**
    - Soak the seeds in warm water (40-50°C, not boiling) for **24 to 48 hours**. Change the water if it cools quickly.
    - This step helps soften the shell and activates germination.
    - **Scarification (optional)**:
    - If the seeds have a particularly hard shell, rub them gently on sandpaper or lightly score their surface with a knife. Be careful not to damage the embryo.

    ---

    #### 2. **Cold stratification (recommended):**
    - To improve germination, perform a **cold stratification** which simulates a natural winter:
    - Place the seeds in a moist substrate (mixture of sand and peat or vermiculite) in a plastic bag.
    - Store them in the refrigerator at around **4°C** for **4 to 6 weeks**.
    - Check regularly that the substrate remains slightly damp.

    ---

    #### 3. **Substrate preparation:**
    - Prepare a light and well-draining mixture:
    - 1/2 fine potting soil.
    - 1/2 sand or perlite.
    - Fill pots or cups with this mixture. Make sure they have drainage holes.

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    #### 4. **Sowing:**
    - Plant the seeds at a depth of **0.5 to 1 cm**.
    - Cover them lightly with substrate without tamping them down.
    - Water gently to evenly moisten the soil.

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    #### 5. **Germination conditions:**
    - Place the pots in a warm, bright place, but out of direct sunlight.
    - Maintain a temperature of **20 to 25°C**.
    - Cover the pots with clear plastic wrap or place them in a mini greenhouse to retain humidity. Ventilate regularly to prevent mold.
    - The substrate should remain slightly moist but not soggy.

    ---

    #### 6. **Germination:**
    - Germination can take **4 to 12 weeks**, sometimes longer depending on seed quality and conditions.
    - Be patient, as some seeds may germinate later.

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    #### 7. **Maintenance of young plants:**
    - Once the seedlings appear, remove the plastic film or open the mini greenhouse.
    - Place the young shoots in a bright place, but avoid direct sunlight.
    - Water moderately, keeping the substrate slightly moist.

    ---

    #### 8. **Replanting:**
    - When the seedlings reach about **10 to 15 cm**, transplant them into individual pots or into the ground.
    - Choose a sunny or semi-shaded location with well-drained soil.
    - Young plants must be protected from severe frost during their first year.

    ---

    ### **Additional Tips:**
    - **Climate:** Zanthoxylum schinifolium is hardy and can withstand temperatures down to around **-10°C**, but it prefers a temperate climate.
    - **Soil:** It adapts to various types of soil, but prefers light, rich and well-drained soils.
    - **Maintenance:** Once established, it requires little care. Prune lightly to promote good structure.
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