How to Grow Ashwood Emerald

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Ashwood Emerald

Ilex aquifolium 'Ashwood Emerald'

shrub

Ashwood Emerald is a compact, dense evergreen holly cultivar prized for its deep green foliage and ornamental appeal. It is a female variety that produces bright red berries in winter when pollinated by a male holly. This shrub is excellent for hedging, topiary, and landscape design.

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Example Ashwood Emerald timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Ashwood Emerald

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Ashwood Emerald

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

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

Growing Conditions

☀️
Sun: Partial shade to full sun, 4-6 hours of sunlight daily (tolerates shade better than many hollies)
💧
Water: Keep soil consistently moist but not waterlogged. Water regularly during establishment (first 1-2 years), then moderate watering. Drought-tolerant once established but performs better with regular moisture.
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Spacing: 24 inches
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Days to maturity: 3-5 years to reach ornamental maturity
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Planting depth: Plant at same depth as root ball; top of root ball level with soil surface

Soil

Type: Well-draining, slightly acidic loamy or sandy soil
pH: 5.5-6.5
Amendments:
Peat moss or leaf mold Compost Sand for drainage

Growing Zones

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Thrives in zones 5b-9a, with best performance in zones 6-8

5b 6a 6b 7a 7b 8a 8b 9a

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Growth Stages

1

Establishment

1 year

Young plant with initial leaf growth and root development; small compact form

Water regularly and deeply. Mulch around base. Prune lightly to shape. Protect from harsh winds in first year.

2

Vegetative Growth

2-3 years

Progressive branching and foliage development; plant fills out and becomes denser

Continue regular watering. Begin shaping pruning in late winter/early spring. Apply balanced fertilizer in spring.

3

Flowering

3-4 weeks in spring

Small white or greenish flowers appear in spring on female plants; flowers are inconspicuous

Ensure male pollinators are nearby for berry set. Continue regular care. Do not over-prune during flowering.

4

Fruiting & Berry Development

6-8 months (summer through winter)

Bright red berries develop through summer and persist into winter; ornamental value peaks

Avoid heavy pruning. Water during dry periods. Berries attract birds and wildlife.

5

Winter Rest

3-4 months

Foliage deepens in color; berries provide winter ornament; minimal growth

Minimal watering needed. Dormant pruning can be done in late winter. Protect from extreme cold in zone 5.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Plants requiring full sun in hot climates Salt-sensitive plants in coastal areas Plants preferring dry soil conditions

Common Pests

  • Remove affected leaves, apply horticultural oil in early spring, encourage natural predators

  • Increase humidity, spray with water, use miticides if severe, ensure adequate watering

  • Prune heavily infested branches, apply horticultural oil in dormant season, use insecticidal soap

  • Remove infested buds, prune affected shoots, apply targeted insecticides in early season if needed

  • Spray with strong water stream, use yellow sticky traps, apply insecticidal soap or neem oil

Uses

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Evergreen Hedge & Topiary

Ornamental

Ashwood Emerald's dense, compact growth habit makes it ideal for formal hedging, screening, and topiary work. Its deep green foliage provides year-round structure and can be pruned into geometric or sculptural forms. [source]

🏠

Winter Holiday Decoration

Household

The bright red berries combined with deep green glossy foliage make this holly exceptional for winter arrangements, garlands, and festive décor. Cut sprigs provide long-lasting color indoors. [source]

🦋

Bird & Wildlife Food Source

Wildlife

The abundant red berries provide essential winter food for birds, robins, and other wildlife during cold months when natural food sources are scarce. [source]

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Landscape Structure & Focal Points

Ornamental

Its compact form and year-round appeal make it valuable in mixed borders, foundation plantings, and garden designs. Can be used as a specimen plant or in groups for layered effect. [source]

💊

Traditional Holly Uses

Medicinal

Holly has been traditionally used in herbalism for immune support and anti-inflammatory purposes, though modern medicinal use is limited. Always consult healthcare providers before use. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Berries can be harvested for indoor decoration in fall and winter when fully ripe and bright red. Cut sprigs with berries and foliage for floral arrangements. Prune in late winter (February-March) or after berry season. Avoid pruning in fall to preserve winter berry display.

Fun Facts

  • 🌱 Ashwood Emerald is a female cultivar and requires a male holly pollinator nearby to produce its ornamental red berries; without cross-pollination, no berries will form.
  • 🌱 Holly has been associated with Christmas traditions for centuries, symbolizing joy and protection in winter folklore.
  • 🌱 The dense, spiny foliage of holly plants has been shown to protect birds from predators, making them particularly valuable wildlife habitat plants.

Gardening Terms

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