Paulownia Fortunei Species Roots

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Paulownia Fortunei – Premium Bare Root Cuttings (Pure Species)

Paulownia fortunei, often called the Fortune Tree or Sapphire Tree, is a prestigious pure species highly valued throughout Asia for both its ornamental beauty and its exceptional timber quality. Renowned for its rapid growth, elegant form, and fragrant blossoms, P. fortunei is one of the most majestic members of the Paulowniaceae family.

It is widely planted for ornamental landscaping, furniture-making, fine carpentry, and specialty wood industries, thanks to its light yet durable wood, appreciated in high-end cabinetry, musical instruments, veneers, and decorative crafts.

Deeply rooted in Chinese and Japanese tradition, Paulownia fortunei is considered a symbol of prosperity, beauty, and good fortune. Historically, it has been planted as a ceremonial or good-luck tree, and its premium-quality wood was used to craft dowries, keepsake chests, decorative boxes, and treasured household belongings.

Every bare root cutting provided by GreenSeed Paulownia is premium Grade A, carefully selected for quality, thickness, and vitality. Roots are prepared for spring planting to ensure strong establishment, healthy growth, and long-term performance.

⭐ Key Characteristics

Pure species (non-hybrid): valued for natural beauty, cultural significance, and premium timber quality.
Rapid annual growth: reaches 3–4 meters per year in favourable climates.
Moderate cold tolerance: withstands temperatures down to –15 / –18 °C, ideal for warmer temperate regions.
Fragrant, showy blossoms: produces large lavender-purple flowers, creamy white inside with yellow or purple markings; blooms in spring to early summer.
High-value timber: lightweight, stable, and perfect for furniture, veneers, cabinetry, fine carpentry, and musical instruments.
Ornamental appeal: lush foliage with large, light-green, slightly hairy leaves that provide dense shade.
Cultural importance: symbol of prosperity, luck, and elegance in East Asian tradition.
Versatile uses: ideal for landscaping, shade planting, specialty wood production, and decorative horticulture.

📊 Technical Specifications

Genus / Species: Paulownia fortunei
Type: Pure species (non-hybrid)
Common names: Fortune Tree, Sapphire Tree
Form: Bare root cutting
Grade: A
Average length: 10–18 cm
Diameter: 0.8–3.5 cm
Survival rate: 99 %
Growth rate: 3–4 m/year
Mature height: 12–21 m
Spread: 9–15 m
Cold resistance: –15 to –18 °C
Hardiness zones: 6–9
Soil pH: 4.5–7.5
Soil type: well-drained clay, loam, or sand
Exposure: full sun / partial sun
Water requirements: moderate
Bloom season: spring to early summer
Flower colours: lavender-purple outside, creamy white with yellow/purple spots inside
Foliage: large, light-green hairy leaves (up to 30 cm)
Delivery: roots packaged to retain natural humidity and vitality for safe transport

🌿 Why Choose GreenSeed Paulownia?

Premium Grade A roots, selected for strength and fast establishment
Authentic Paulownia fortunei species, ideal for ornamental and high-value timber projects
Specialised packaging ensuring maximum freshness and safe delivery
Expertise dedicated exclusively to Paulownia cultivation
Trusted international supplier for ecological, ornamental, and commercial forestry projects

Required Materials

Fine, sterile seed-starting mix (peat/coco + perlite), light and well-draining
Seed trays, small pots, or a mini-greenhouse
Fine mist sprayer or watering can with a soft rose
Clear lid, plastic film, or humidity dome
Thermometer or heat mat to maintain 20–25 °C (68–77 °F)
Bright growing area or horticultural LED light (PPFD 100–250 μmol/m²/s)

1) Stratification (Cold Treatment)

Optional but recommended to achieve uniform germination.

Mix the seeds with a slightly moist substrate (fine sand, vermiculite, or light seed mix).
Place the mixture in an airtight bag or sealed container.
Refrigerate at about 4 °C (39 °F) for 4–12 weeks.

2) Sowing

Fill containers with pre-moistened substrate (moist but not waterlogged).
Scatter the seeds on the surface — do not cover; they need light to germinate.
Mist gently with water.
Cover with a clear lid or humidity dome.
For large-scale production, use a misting chamber or heated propagation bench.

3) Germination Conditions

Temperature: 20–25 °C (68–77 °F), stable
Light: bright indirect light or LED grow lighting
Duration: usually 10–20 days
Substrate: always slightly moist, never waterlogged
Ventilation: avoid cold drafts but ensure minimal air exchange

4) After Germination (Critical Phase)

Open the lid slightly each day to reduce excess humidity.
Gradually increase ventilation to strengthen stems.
Remove the cover completely once seedlings have 1–2 true leaves.
Maintain strong light to prevent weak, elongated seedlings.

5) Transplanting & Early Growth

Transplant when seedlings reach 10–15 cm (4–6 in) or show 2–3 true leaves.
Use individual pots (7–10 cm) for optimal root development.
Keep plants in bright shade for 3–5 days after transplanting, then gradually expose them to full sun over 1–2 weeks.
Water moderately: avoid both drought and excess moisture.
Optional for production: apply a light, balanced fertilizer after 3–4 weeks (e.g. NPK 10-10-10).

PHASE 1 — POT CULTURE (UNDER COVER)

Objective: ensure maximum rooting success, protect plants from frost, and achieve uniform sprouting.

1) Rehydration (mandatory)

Before planting:

Soak the root cuttings in clean water for 5 minutes.
→ This reactivates the tissues and improves the success rate.

⚠️ Do not exceed 5 minutes.

2) Start Period

Early spring
Ideal temperature: 15–25 °C (59–77 °F)
Under a greenhouse, tunnel, or bright sheltered area

3) Pot Planting

Use individual pots for optimal root development and uniform emergence.

✔️ Root orientation

Place the thicker end upward (bud side).
Insert the root slightly angled (20–30°)
→ Promotes activation of the upper buds.

✔️ Covering

Cover the root with no more than 1 cm of substrate.
(Buds must remain close to the surface.)

4) Recommended Substrate

A heavy substrate slows down emergence. A light, airy mix ensures faster and stronger sprouting.

Use:

Fine horticultural potting mix
Light, well-draining substrate
Optional: perlite for extra aeration

‼️ Paulownia does not tolerate excess water.

5) Watering (pot phase)

Water moderately after planting.
Keep the substrate slightly and consistently moist.
Never waterlog the pot.
Avoid all standing water.

6) Sprout Emergence

Timing depends on temperature and conditions:

Sprouting usually occurs 3 to 8 weeks after planting.
Faster in warm and stable environments.

In case of cold weather or late frost:
→ Cover pots with frost protection fleece.