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  • Quercus rubra seeds/red oak seeds
  • Quercus rubra seeds/red oak seeds
  • Quercus rubra seeds/red oak seeds
  • Quercus rubra seeds/red oak seeds
  • Quercus rubra seeds/red oak seeds
  • Quercus rubra seeds/red oak seeds

Quercus rubra seeds/red oak seeds

No.T83
High germination Quercus rubra red oak seeds, strong cold resistant deciduous ornamental timber tree, ideal for urban greening, hillside afforestation and fall foliage scenic planting.
$60.00
  • Quercus rubra seeds/red oak seeds
  • Quercus rubra seeds/red oak seeds
  • Quercus rubra seeds/red oak seeds

Description

Plump and full red oak seeds maintain stable germination rate and strong seed vitality. Red oak, also named northern red oak, is a widely popular large deciduous ornamental oak species with extremely high landscape, ecological and economic value. It features straight sturdy trunk, neat rounded crown and deeply lobed leaves. The foliage stays dark green in spring and summer, turning brilliant fiery red in late autumn, forming stunning seasonal viewing effect.
This tree owns outstanding comprehensive resistance: super cold hardiness, drought tolerance, barren soil adaptability and strong anti-pollution ability, able to withstand harsh urban growing environment and low temperature down to minus 29 degrees Celsius. Its deep and sprawling root system can firmly lock hillside soil to prevent water and soil loss. Saplings grow fast, and mature trees can produce stable acorns after 10 years of growth. It is extensively applied for barren mountain ecological restoration, roadside street tree greening, park landmark large landscape trees, windbreak shelterbelts and high-quality timber base planting. It fits deep, loose, fertile slightly acidic loam soil best. Low-lying waterlogged plots and hardened heavy alkaline clay soil must be avoided to prevent root rot and slow growth. Daily management is low maintenance, only require full sunlight supply, timely drainage on rainy days and annual thin fertilizer supplement, a multi-functional tree integrating autumn viewing, ecological protection and timber production.

Planting Instructions

  1. Soil Preparation
    Mix humus soil, coarse river sand and decomposed organic fertilizer evenly to prepare loose breathable slightly acidic planting substrate. Adopt raised seedbeds for sowing to accelerate rainwater drainage and avoid long-term soil dampness. Alkaline compact clay soil is not suitable for seedling raising.
  2. Seed Pre-treatment
    Red oak seeds have obvious deep physiological dormancy, cold stratification is a mandatory step. First remove seed caps, pick out worm-eaten and floating empty acorns via water floating test. Disinfect qualified full seeds with diluted potassium permanganate solution for 30 minutes, then soak in normal temperature clean water for 24 hours for full water absorption. Afterwards carry out 60–90 days cold moist sand stratification under 2–5℃ low temperature environment. Sow in early spring when seed coats crack and white radicles stretch out; insufficient low-temperature treatment will lead to very low germination rate. Fall outdoor direct sowing is also acceptable, relying on natural winter low temperature to complete dormancy breaking.
  3. Sowing Method
    Carry out strip sowing on seedbeds, place acorns horizontally and bury 2–3 cm deep in moist soil, cover thin fine soil on the surface, slightly compact topsoil and water thoroughly once after sowing. After seedlings grow 3–4 pairs of true leaves, transplant them into nutrition bags for container cultivation, which greatly improves the survival rate of field large-area transplanting. Outdoor direct seeding needs wire mesh protection to prevent rodents eating seeds.
  4. Germination Condition
    Keep substrate slightly moist without standing water, optimal germination temperature ranges from 18℃ to 28℃. Concentrated seedling emergence will finish within 35–60 days after sowing. Cover breathable plastic film before germination for heat and moisture preservation, open the film periodically for ventilation to reduce high-humidity seedling damping-off disease risk.
  5. Daily Maintenance
    Red oak is a typical full-sun positive tree, long-term shading will cause slender saplings, weak cold resistance and poor autumn leaf color performance. Water moderately in hot dry summer, follow the principle of watering after topsoil dries out, drain all accumulated rainwater completely in continuous rainy weather to avoid root rot disease. Trim redundant messy lateral branches properly in growing season to cultivate straight main trunk and full rounded crown. Apply diluted compound fertilizer twice in spring and summer every year to accelerate sapling height and thickness growth.
    Watering frequency: Water once every 4–6 days under sustained drought; reduce watering frequency in cool humid spring and autumn. The tree has strong drought resistance after root system fully developed. Main common diseases and pests are leaf spot disease under high humidity and small leaf-eating insects, remove diseased branches timely and use conventional low-toxicity protective pesticides for prevention and control.

Specification

  • Plant Name: Red Oak / Northern Red Oak
  • Botanical Name: Quercus rubra
  • Plant Type: Ultra-cold resistant autumn foliage deciduous ornamental timber tree
  • Mature Height: 15–30 Meters
  • Fruiting Period: Acorns ripen in autumn, seedlings bear fruits after 10 years
  • Germination Temperature: 18–28℃
  • Growing Temperature: -29℃ ~ 36℃, excellent frost resistance
  • Light Requirement: Full Sun
  • Soil: Deep loose well-drained slightly acidic loam soil, prohibit waterlogged alkaline heavy clay
  • Planting Difficulty: Moderate
  • Core Features: Incredible bright red autumn leaves, super cold and drought tolerance, strong urban pollution resistance, perfect for northern area landscape greening, slope soil fixation and valuable timber forest construction

FAQ

Q1: Can red oak survive severe freezing winter in northern China?
A1: Yes, it can tolerate minus 29℃ low temperature, safely overwinter outdoors in Northeast, North China and most frigid northern regions.
Q2: Is long-term cold moist sand stratification necessary for red oak seeds?
A2: Necessary. Red oak belongs to deep dormant oak seeds, only sufficient low-temperature wet sand treatment can break dormancy and ensure normal germination.
Q3: What are the two critical planting taboos?
A3: Long-term soil water accumulation leading to root rot death; alkaline soil causing leaf yellowing, poor growth and faded autumn color.
Q4: What are the main application values of mature red oak trees?
A4: Stunning autumn red leaf landscape viewing, solid hard wood for furniture and construction timber, developed root system for hillside anti-erosion protection.
Q5: Is it suitable for novice growers?
A5: Suitable for patient beginners. The core operation points are pre-sowing complete cold stratification treatment, acidic well-drained raised seedbed and full sunlight growing environment.

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