Emerald Colonnade Holly
Ilex x 'RutHol1'Local DFW Delivery Only
Product Details
Emerald Colonnade Holly
Ilex x 'RutHol1'Emerald Colonnade Holly is a fast-growing, upright evergreen holly prized for its bold structure and glossy, deep green foliage. It produces small white flowers in spring followed by bright red berries in fall and winter, adding seasonal interest. Reaching up to 12 feet tall and 8 feet wide at maturity, this holly is ideal for hedges, or as a structural element in larger beds and borders.
- Evergreen tree
- Moderate growth rate with full, dense habit
- Glossy dark green leaves and bright red berries
- Great for screening, hedging, or vertical accents
- Bold presence with minimal trimming required
Emerald Colonnade Holly thrives in full sun to partial shade and adapts well to a variety of well-drained soils. It’s heat-tolerant and drought-resistant once established, making it a reliable choice for both formal and naturalistic Texas landscapes. Hardy in USDA zones 7 through 9, it offers year-round greenery, structure, and seasonal color with ease.
Emerald Colonnade Holly is a narrow, columnar evergreen prized for its tidy, upright growth. It’s low-maintenance but performs best with a few simple care steps:
- Watering: Water regularly during the first growing season to help roots establish. Once established, it is moderately drought-tolerant, needing only occasional deep watering during prolonged dry spells. Avoid overwatering, which can lead to root rot.
- Pruning: Lightly prune in late winter or early spring to maintain its columnar shape. Remove dead, damaged, or crossing branches, but avoid heavy shearing that can disrupt its natural form.
- Fertilizing: Feed once in early spring with a balanced, slow-release fertilizer for evergreen shrubs. Mature plants rarely need additional feeding, though a light spring top-dressing promotes rich, glossy foliage.
- Mulching: Apply a 2-3 inch layer of mulch around the base to retain moisture, regulate soil temperature, and reduce weeds. Keep mulch a few inches from the trunk to prevent rot and pests.
- Winter Care: Hardy across most regions, it retains deep green foliage through winter. In cold climates, young plants benefit from a mulch layer or protective burlap wrap during harsh freezes.
Emerald Colonnade Holly is resilient but may occasionally experience minor issues:
- Leaf Drop: Often after transplanting or drought stress. Keep soil evenly moist and mulch to aid recovery.
- Scale Insects: Small bumps on stems or leaves. Treat with horticultural oil during dormancy or insecticidal soap in the growing season.
- Spider Mites: Hot, dry weather may cause stippled or faded leaves. Rinse foliage or use neem oil for control.
- Sooty Mold: Black residue from sap-feeding insects. Controlling the pests allows the mold to disappear naturally.
- Chlorosis (Yellow Leaves): Often due to alkaline soil or poor drainage. Apply iron supplements or soil acidifiers as needed.
With proper care, it can thrive for 40-50 years. Its dense, upright foliage and natural resistance to pests make it a long-lasting and dependable feature in both residential and commercial landscapes.
It grows at a moderate pace, reaching its mature columnar height in 8-12 years. Once established, it maintains a tidy, vertical form with minimal maintenance, making it ideal for formal hedges or narrow spaces.
Yes - female plants produce clusters of bright red berries in fall and winter, especially when a male pollinator is nearby. The berries not only add seasonal color but also attract birds and other wildlife, enhancing garden biodiversity.
Yes - Emerald Colonnade Holly adapts well to large containers for patios, entryways, or terraces. Ensure excellent drainage, use quality potting soil, and water slightly more frequently than in-ground plantings during hot summer months.
Yes - the tough, spiny leaves naturally deter deer and other browsing animals. This makes it an excellent choice for rural gardens, suburban yards, or areas where deer are common.
Extremely well - it thrives in hot, humid climates while maintaining dense, glossy foliage throughout summer. Once established, it requires minimal supplemental watering during dry periods, making it suitable for low-maintenance landscapes.
Yes - mature plants withstand frost and freezing temperatures with ease. Young plants benefit from a protective mulch layer around the root zone during harsh winter months to prevent stress and leaf burn.
Absolutely - its upright, columnar form responds well to light pruning. It’s perfect for creating privacy screens, windbreaks, or formal garden borders, retaining its elegant shape year-round.
Prune one-third of the oldest stems to the base in late winter. This encourages fresh, vigorous growth from the center and maintains the plant’s dense, upright form, ensuring it remains visually striking for decades.
Yes - it tolerates reflected heat, pollution, and compacted soils. Its evergreen structure, upright habit, and bright seasonal berries make it perfect for streetscapes, parks, parking medians, and commercial property plantings.
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Emerald Colonnade Holly This plant | ||
|---|---|---|
| Scientific Name | Ilex x 'RutHol1' | Ilex x 'RutHol1' |
| Size at Maturity | 12' H x 8' W | 12' H x 8' W |
| Leaf Retention | Evergreen | Evergreen |
| Sizes Available | 7, 15, 30, 45 gal | 15 Gal |
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