How to Grow October Glory

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October Glory

Acer rubrum 'October Glory'

tree

October Glory is a cultivar of Red Maple prized for its spectacular deep red fall foliage that persists longer than most other maples. This deciduous tree grows 40-50 feet tall and 30-40 feet wide, with a dense, rounded canopy that provides excellent shade. It's valued as an ornamental shade tree for landscapes and urban settings.

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Example October Glory timeline · Pittsburgh, PA (Zone 6b)

  1. Plant October Glory

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest October Glory

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact October Glory dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun to part shade; 6+ hours of direct sunlight for best fall color
💧
Water: Moderate to high water needs; prefers consistently moist soil. Young trees need regular watering; established trees are moderately drought-tolerant but perform better with adequate moisture.
📏
Spacing: 360 inches
📅
Days to maturity:
🌱
Planting depth: Plant at same depth as root ball; do not plant deeper

Soil

Type: Adaptable to various soil types; prefers slightly acidic, moist, well-draining soil
pH: 4.5-7.0
Amendments:
Peat moss or compost at planting Mulch to retain moisture

Growing Zones

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Thrives in zones 3-9, with best performance in zones 4-8

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a

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Growth Stages

1

Establishment

First 1-2 years

Recently planted sapling with emerging branch structure and new growth

Water deeply 2-3 times per week; stake if necessary for support; apply 2-3 inches of mulch around base

2

Early Growth

Years 2-5

Tree develops strong branching framework; canopy begins to fill in

Continue regular watering; prune to remove crossing or weak branches; maintain mulch layer

3

Canopy Development

Years 5-15

Tree reaches mature height and width; dense foliage develops

Reduce watering frequency as roots establish; light pruning only; remove deadwood

4

Maturity

Years 15+ (lifespan 100+ years)

Full-sized tree with well-established canopy providing ample shade

Minimal pruning needed; water during drought; monitor for pests and disease

5

Fall Color Display

6-8 weeks (typically mid-September through October)

Foliage transitions to brilliant deep red, scarlet, and burgundy colors

Ensure adequate moisture; cooler fall temperatures enhance color intensity; avoid late-summer nitrogen fertilizer

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Shallow-rooted plants competing for water Plants requiring full sun in areas shaded by mature canopy

Common Pests

  • Spray with strong water stream to dislodge; use insecticidal soap for heavy infestations; encourage natural predators

  • Prune infested branches; apply horticultural oil in early spring; monitor regularly

  • Remove by hand if possible; spray with horticultural oil or insecticidal soap in dormant season

  • Usually not damaging; allow natural control; prune heavily affected branches if necessary

  • Ensure good drainage; avoid wounding trees; remove affected branches; no cure; plant resistant trees nearby

Uses

🦋

Wildlife Food Source

Wildlife

Red maple produces seeds (samaras) in spring and early summer that provide food for birds and squirrels. The flowers are an early nectar source for pollinators. [source]

🏠

Shade and Cooling

Household

The dense canopy provides excellent shade, reducing cooling costs and creating comfortable outdoor spaces. A mature tree can lower nearby temperatures by 2-8°F. [source]

🎨

Fall Landscape Beauty

Craft

October Glory is specifically bred for its spectacular deep red fall foliage that colors earlier and lasts longer than wild red maples, making it a premier choice for ornamental landscapes and fall displays. [source]

🏠

Air Quality Improvement

Household

Large trees like October Glory help filter air pollutants and produce oxygen, contributing to improved air quality in residential and urban areas. [source]

🎨

Wood Products

Craft

Red maple wood is used for veneer, furniture, and interior finishing. However, October Glory is typically preserved as a living ornamental rather than harvested for timber. [source]

Harvest Tips

Not applicable; October Glory is an ornamental tree grown for shade and fall color display, not for harvest.

Fun Facts

  • 🌱 October Glory was selected as a superior cultivar specifically for its reliability in producing brilliant red fall color week after week, unlike many wild red maples which can be disappointingly yellow or greenish-bronze in some years.
  • 🌱 Red maples are among the most abundant trees in eastern North America and are one of the first trees to show color change in fall, sometimes beginning as early as late August in northern zones.
  • 🌱 The seeds of red maple, called samaras or 'helicopters,' spin as they fall from the tree and can disperse considerable distances from the parent tree, aided by wind and water.

Gardening Terms

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