Simarouba Glauca Seeds, Paradise Tree

Sowing seeds of **Simarouba glauca** (paradise tree or oil tree) is an effective method for cultivating this tropical tree. Native to warm regions, it is valued for its economic and ecological benefits. Here is a detailed guide to successfully sowing **Simarouba glauca** seeds:

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### **Steps for sowing Simarouba glauca**

#### **1. Harvesting the seeds:**
- **Harvest** :
- The seeds are found in fleshy fruits that turn black or purple when ripe. Harvest the ripe fruits and extract the seeds by removing the pulp.
- Wash the seeds thoroughly to remove any traces of pulp, as it can inhibit germination.

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#### **2. Preparing the seeds:**
Simarouba glauca seeds do not have strict dormancy, but preparation can improve their germination.

##### **Soaking**:
1. Soak the seeds in lukewarm water for **12 to 24 hours** to soften the shell and activate the germination process.
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#### **3. Substrate Preparation:**
- **Soil type**:
- Mix seed-starting mix with sand or perlite to ensure good drainage. A ratio of 70% potting mix and 30% sand is ideal.
- **Filling**:
- Fill individual pots or a seed tray with this mixture.

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#### **4. Sowing the seeds:**

##### **In pots or trays**:
1. **Seed arrangement**:
- Place the seeds horizontally on the surface or at a depth of **1 to 2 cm**.
2. **Spacing**:
- If you sow in a tray, leave **5 cm** between the seeds to prevent them from competing with each other.
3. **Watering**:
- Moisten the substrate with a watering can with a fine spout or a sprayer.

##### **In open ground (in tropical climates)**:
1. **Prepare the soil** by loosening it to a depth of 15 cm and adding compost or organic matter.
2. **Seed arrangement**:
- Sow directly at a depth of **2 cm**, spaced **20 to 30 cm apart**.
3. **Watering**:
- Water gently to maintain constant moisture.

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#### **5. Germination conditions:**
- **Ideal temperature**:
- Seeds germinate best between **25°C and 30°C**.
- **Light** :
- Place the pots in a bright location, but out of direct sunlight.
- **Humidity** :
- Maintain constant humidity by covering the pots with plastic film or using a mini-greenhouse.
- **Germination time**:
- The seeds begin to germinate in **10 to 30 days**, depending on the conditions.

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#### **6. Post-germination care:**
1. **Remove the cover**:
- As soon as the first seedlings appear, remove the plastic to avoid excess moisture.
2. **Watering**:
- Keep the substrate slightly moist, but avoid overwatering to prevent root rot.
3. **Exhibition**:
- Place the seedlings in a bright location to encourage vigorous growth.

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#### **7. Transplanting:**
- **When to transplant**:
- When the seedlings reach a height of **10 to 15 cm** and their root system is well developed.
- **Transplanting into pots**:
- Transplant the young plants into individual pots with a substrate lightly enriched with compost.
- **Planting directly in the ground**:
- Wait until the seedlings are about **30 cm** tall before planting them permanently.

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#### **8. Planting in open ground:**
1. **Location**:
- Choose a sunny spot with well-drained soil rich in organic matter.
2. **Spacing**:
- Leave approximately **5 to 6 meters** between each tree to allow them to develop fully.
3. **Watering**:
- Water regularly during the first few years to encourage root development.

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#### **9. Long-term maintenance:**
1. **Watering**:
- Once established, Simarouba glauca is drought-tolerant. However, regular watering during dry periods improves its growth.
2. **Fertilization**:
- Apply organic fertilizer or compost once or twice a year to stimulate growth and production.
3. **Size**:
- Prune dead or diseased branches to maintain a healthy structure and promote better aeration.
4. **Protection against pests**:
- Monitor young plants for possible pest attacks such as aphids or scale insects.

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### **Additional tips:**
1. **Rapid Growth**:
- Simarouba glauca is a fast-growing tree under ideal conditions.
2. **Suitable climate**:
- This tree prefers tropical and subtropical climates, but it can tolerate cooler temperatures if protected from frost.
3. **Multiple Uses**:
- In addition to being ornamental, this tree produces oil-rich seeds used in cooking, medicine and for industrial purposes.

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### **Conclusion :**
Sowing **Simarouba glauca** seeds is a rewarding way to grow this versatile and hardy tree. With careful attention during the initial stages, you can enjoy this useful and decorative tree in your garden. 🌱🌳