Images Depict Mature Plants
Foster Holly
Ilex x attenuata 'Fosteri'
Foster Holly is a really dependable plant when you want classic holly character with strong evergreen function. The glossy foliage gives it a clean, polished look year-round, the red berries add real winter appeal, and the upright shape makes it useful for privacy, foundation planting, or as a specimen. It is one of those plants that brings both structure and seasonal charm without asking for too much in return.
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A Classic Holly for Evergreen Privacy and Winter Color
A Dense Evergreen with Strong Year-Round Structure
Foster Holly is an excellent choice for homeowners who want a broadleaf evergreen that delivers both form and function. Its dense upright pyramidal habit gives it a clean, tailored presence in the landscape, making it especially useful wherever evergreen height and structure are needed without relying on a softer or less defined shrub.
This is the kind of plant that immediately adds order to a landscape. Whether used as a specimen, a tall evergreen hedge, or part of a mixed screening plan, Foster Holly adds a more established, polished feel in every season.
Glossy Foliage with Bright Red Berry Interest
One of the biggest visual strengths of Foster Holly is its rich, glossy dark green foliage. The leaves are leathery, evergreen, and holly-like, giving the plant a substantial texture that looks handsome year-round and holds its own in both traditional and modern landscapes.
Its red berries add another layer of ornamental value from fall into winter. That bright berry display helps the plant feel lively and decorative, even as many other shrubs fade into the background, giving homeowners a plant that remains attractive long after the growing season winds down.
A Great Choice for Screens, Hedges, and Vertical Accents
Foster Holly is especially effective when used in rows or groupings. Its naturally upright form and dense branching make it well-suited for privacy screens, windbreaks, and evergreen hedges where year-round coverage matters. It can also be used as a single accent plant where a tall, structured evergreen is needed to anchor a bed or frame an entry.
Because the habit is so naturally organized, it fits easily into landscapes that need clean lines without feeling overly formal. It gives homeowners a screening plant that feels decorative as well as practical.
Adaptable, Durable, and Homeowner Friendly
Foster Holly performs best in full sun to partial shade and in slightly acidic, well-drained soil. Once established, it becomes more drought-tolerant and is considered mildly deer-resistant, making it a useful option in a range of residential settings where both appearance and resilience matter.
Another appealing trait is its berrying behavior. Foster Holly is one of the few hollies known for producing fruit without requiring a nearby male pollinator, which makes it especially convenient for homeowners who want winter berry interest without having to build a more complicated pollination plan.
A Reliable Evergreen for Traditional and Everyday Landscapes
This plant fits naturally into many landscape styles. Foster Holly can soften a property line, strengthen a foundation planting, serve as a focal specimen, or add evergreen height to mixed borders where year-round presence is important.
For gardeners who want a holly with classic character, berry appeal, and dependable evergreen structure, Foster Holly is an easy recommendation. It offers beauty, usefulness, and a timeless landscape look all in one plant.
| Hardiness Zone: | 6-9 |
|---|---|
| Mature Height: | 20 to 30 Feet |
| Mature Width: | 10 to 15 Feet |
| Sunlight: | Full sun to partial shade |
| Soil Conditions: | Well-drained, slightly acidic soil |
| Water | Moderate; water regularly during establishment |
| Bloom Time / Color | Late spring; small fragrant white flowers |
| Ornamental Features | Glossy dark green foliage, dense pyramidal habit, bright red berries |
| Wildlife Value | Provides cover for birds; berries add habitat value |
| Resistance (deer/disease/drought/etc.) | Mildly deer resistant; moderately salt tolerant; drought tolerant once established |
| Landscape Uses | Privacy screen, hedge, specimen tree, foundation planting, evergreen accent |
How to Care for Foster Holly
Be sure to read our planting instructions to ensure a healthy and happy Foster Holly for years to come!
How should I plant Foster Holly?
Plant Foster Holly in a location with full sun to partial shade and well-drained soil. Dig a hole about twice as wide as the root ball and no deeper than the root ball itself, then set the plant so the top of the root ball sits level with the surrounding soil. This gives the roots a strong start and helps avoid issues associated with planting too deeply. Backfill with native soil, water thoroughly, and apply mulch around the root zone to help conserve moisture and reduce weed competition. Keep mulch a few inches away from the trunk or stems. If planting multiple Foster Hollies for screening, space them with mature width in mind so they can fill in while still maintaining airflow and healthy density.
How often should I water Foster Holly after planting?
Water Foster Holly deeply right after planting, then continue with regular watering during the establishment period. In most landscapes, that means a deep soaking once or twice per week, depending on rainfall, heat, and soil conditions. The goal is to keep the root zone evenly moist as the plant settles in. Once established, Foster Holly becomes more tolerant of short dry periods and typically needs supplemental watering only during extended drought. Deep watering is more effective than frequent shallow watering because it encourages stronger roots and better long-term performance.
When should I fertilize Foster Holly?
Fertilize Foster Holly in early spring if needed, especially if growth appears weak or the soil is lean. A balanced slow-release fertilizer for hollies or acid-loving evergreens is usually enough, and compost can also be used to gently improve soil structure and overall soil health. Avoid overfeeding, especially with rich fertilizers during hot weather or when the plant is under stress. In many cases, proper siting, good drainage, and steady establishment watering are more important than aggressive fertilization.
When and how should I prune Foster Holly?
Foster Holly usually needs only light pruning to maintain shape and remove dead, damaged, or awkward branches. Late winter or early spring is a good time for structural pruning, while occasional light shaping can also be done to maintain a denser hedge or more formal outline. If you are using it as a screen or specimen, selective pruning is often better than severe shearing. That approach preserves the plant’s natural dense pyramidal form while keeping it balanced, healthy, and attractive over time.
