Name: Catalpa ovata/Chinese catalpa seeds 1kg
Brand: Shanghai Touchhealthy seeds shop
SKU: T166
Price: 30.00 USD
Availability: InStock

Catalpa ovata/Chinese catalpa seeds 1kg

No.T166

High germination Chinese catalpa tree seeds for roadside greening and courtyard landscape. Hardy timber tree with beautiful trumpet flowers, strong pollution resistance, easy to cultivate.

$30.00

Description

Our full and plump Chinese catalpa seeds have stable germination rate and strong seed activity. Chinese catalpa, scientific name Catalpa ovata, is a native large deciduous arbor with excellent cold resistance and wide adaptability. It bears clusters of elegant trumpet-shaped yellow flowers with purple spots in early summer, matched with huge heart-shaped leaves, and long strip pod fruits hanging on branches in autumn.

This tree features outstanding air purification and anti-pollution ability, with straight trunk and excellent timber value. Seed-grown saplings can grow into robust young trees within 2–3 years, and bloom normally after 4–5 years. Widely used for urban roadside afforestation, park landscape collocation, courtyard shade tree planting, barren hills ecological restoration and windbreak forest construction. It grows well in loose deep well-drained loam soil; waterlogged low-lying land and heavy sticky clay soil are forbidden to prevent root rot and poor growth. Daily management focuses on sufficient sunlight, timely drainage and annual pruning to shape the canopy, which is a classic multi-purpose native ornamental and economic tree species.

Planting Instructions

Soil Preparation
Mix garden topsoil, coarse river sand and a small amount of decomposed organic fertilizer to make loose breathable planting substrate. Ensure the seedbed or large planting pit has good drainage to drain rainwater quickly. Avoid excessively wet and compacted soil.
Seed Pre-treatment
Remove impurities and dry seed pod husks, soak seeds in warm water for 24 hours, then carry out 30–45 days cold moist sand stratification under 2–5°C environment to break deep dormancy and improve germination uniformity.
Sowing Method
Spread tiny seeds evenly on the surface of moist soil, cover with 0.3–0.5cm thin fine soil, gently mist water to keep topsoil damp. For seedbed sowing, keep proper row spacing to guarantee ventilation for seedlings. Do not sow too deep, otherwise germination will be inhibited.
Germination Condition
Keep substrate slightly moist without standing water, constant temperature 18–25°C. Seeds germinate intensively within 20–40 days. Cover plastic film before sprouting to lock temperature and humidity.
Daily Maintenance
Place catalpa seedlings under full sunlight all year round; long-term shade will lead to thin and spindly saplings. Reduce watering frequency in rainy seasons to prevent root rot and seedling blight. Trim competing lateral branches appropriately every year to maintain upright main trunk growth. Supplement organic fertilizer once in spring to accelerate tree growth.

Specification

Plant Name: Chinese Catalpa
Botanical Name: Catalpa ovata
Plant Type: Ultra Cold Hardy Native Deciduous Large Landscape Tree
Mature Height: 10–15 Meters
Blooming Period: Early Summer annually, seedlings bloom in 4–5 years after sowing
Germination Temperature: 18–25°C
Growing Temperature: -25°C ~ 35°C
Light Requirement: Full Sun
Soil: Deep loose well-drained fertile loam soil
Planting Difficulty: Moderate
Core Features: Strong cold resistance, beautiful ornamental flowers and foliage, excellent pollution resistance, dual value of landscape and timber, suitable for urban greening

FAQ

Q1: Can Chinese catalpa survive severe northern cold winter?

A1: It has extremely strong cold hardiness and can safely overwinter in open ground in most northern cold regions of China.

Q2: How many years will catalpa saplings bloom?

A2: Normally it takes 4 to 5 years for well-maintained seed-grown trees to blossom for the first time.

Q3: What light condition does catalpa need?

A3: Full direct sunlight is optimal. Shaded environment causes slow growth, slender trunks and no flowering.

Q4: Main planting taboos?

A4: Long-term soil water accumulation leads to fatal root rot; overly barren soil results in weak growth and small leaves.

Q5: Suitable for beginners?

A5: Friendly for gardening lovers, the key points are sufficient cold stratification before sowing, well-drained soil and full sunlight environment.

Catalpa ovata/Chinese catalpa seeds 1kg

Description

Planting Instructions

Specification

FAQ

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