Name: Ulmus pumila/White elm seeds 1kg
Brand: Shanghai Touchhealthy seeds shop
SKU: T171
Price: 40.00 USD
Availability: InStock

Ulmus pumila/White elm seeds 1kg

No.T171

High germination Siberian elm seeds for roadside afforestation and ecological restoration. Extreme cold & drought resistant, salt-tolerant fast-growing native tree, strong pollution resistance and soil fixation ability

$40.00

Description

Our fully mature white elm seeds feature high germination rate and stable vitality. Ulmus pumila, commonly named White Elm or Siberian Elm, is a widely distributed native deciduous large arbor in China with extremely strong adaptability. It can endure ultra-low temperature down to -40℃, survive arid environments with annual rainfall below 200mm, and grow normally in slight saline-alkali soil, while it cannot stand long-term waterlogging. It has oval serrated leaves, inconspicuous spring flowers, and flat winged samara fruits. Deep and robust root system brings outstanding wind resistance, slope stabilization and soil consolidation effects.

Seed-grown saplings grow rapidly with strong sprouting ability, can form complete crowns within 2–3 years and bloom normally after 5–6 years. Widely applied for urban street tree greening, park landscape configuration, courtyard shade trees, shelterbelts, desertification control, barren hill afforestation and industrial area anti-pollution greening. It prefers deep loose well-drained loam or sandy loam soil; waterlogged depressions and heavy compact clay soil are strictly forbidden to avoid root rot. Low daily maintenance cost, only need full sunlight and timely drainage pruning, it is an indispensable multi-functional ecological and afforestation tree species in northern China.

Planting Instructions

Soil Preparation
Mix garden topsoil, coarse river sand and a small amount of decomposed organic fertilizer to make loose breathable substrate. Raise seedbeds for field sowing to ensure rapid drainage and prevent water accumulation. The tree tolerates slight alkalinity, overly sticky water-retentive soil must be eliminated.
Seed Pre-treatment
White elm seeds have almost no deep physiological dormancy. Remove dry seed wings and impurities first, soak seeds in warm water for 24 hours to soften seed coat and boost uniform germination. For spring sowing of stored seeds, optional short-term cold moist sand stratification for 20–30 days under 2–5℃ to improve germination neatness. Fresh seeds are recommended for immediate sowing for the highest activity.
Sowing Method
Adopt strip sowing for seedbeds, bury seeds 1–1.5cm deep in moist soil, cover thin fine soil and slightly compact the surface. Row spacing 30–40cm, seed spacing 8–10cm. Direct seeding is preferred; transplant with intact soil balls to reduce root damage and improve survival rate.
Germination Condition
Keep substrate slightly moist without standing water, optimal germination temperature 15–25℃. Seeds sprout intensively within 7–15 days. Cover breathable plastic film before emergence to lock humidity, uncover film promptly after seedlings break through soil.
Daily Maintenance
Place white elm seedlings under full sunlight all year round; long-term shade causes spindly trunks and weak growth. Cut watering frequency sharply in rainy seasons to prevent root rot and damping-off disease. Thin overcrowded seedlings when height reaches 10cm, trim redundant lateral branches annually to cultivate straight main trunk. Apply diluted organic fertilizer once in early summer to accelerate sapling growth.

Specification

Plant Name: White Elm / Siberian Elm
Botanical Name: Ulmus pumila
Plant Type: Ultra Cold, Drought & Salt Tolerant Fast-growing Native Deciduous Large Arbor
Mature Height: 15–25 Meters
Blooming Period: March to April annually, seedlings bloom in 5–6 years after sowing
Germination Temperature: 15–25℃
Growing Temperature: -40℃ ~ 38℃
Light Requirement: Full Sun
Soil: Deep loose well-drained loam or sandy loam, tolerates slight salinity and alkalinity
Planting Difficulty: Very Easy
Core Features: Extreme cold and drought resistance, salt tolerance, strong wind-proof and soil-fixing capacity, fast growth, anti-pollution, ideal for large-scale ecological afforestation

FAQ

Q1: Can white elm survive extremely frigid northern winters?

A1: Yes, it can withstand minus 40 degrees Celsius low temperature and safely overwinter in open ground in most cold northern and alpine regions.

Q2: Will white elm seeds germinate without cold stratification?

A2: Fresh seeds soaked in warm water can germinate directly without stratification; only stored seeds need short-term low-temperature treatment for better effect.

Q3: What light environment is required for healthy growth?

A3: Full direct sunlight is mandatory. Shaded conditions lead to slow growth, curved trunks and delayed flowering.

Q4: What are the most critical planting taboos?

A4: Long-term soil waterlogging causes fatal root rot; excessively dense seedlings result in poor ventilation and lodging.

Q5: Suitable for beginner growers?

A5: Extremely friendly for novices. Key points are well-drained soil, full sunlight and avoiding overwatering.

Ulmus pumila/White elm seeds 1kg

Description

Planting Instructions

Specification

FAQ

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