Jacqueline Hillier Elm (Ulmus × hollandica 'Jacqueline Hillier')

Jacqueline Hillier Elm

Ulmus × hollandica 'Jacqueline Hillier'

Compact rounded dwarf form brings tidy charm to small gardens. Dwarf deciduous shrub; common name: Jacqueline Hillier Elm.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; tolerates urban pollution and moderate dry conditions
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Watering Water deeply when top 5 cm of soil is dry; drought-tolerant once fully established
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Temperature Hardy to -20°C; withstands moderate summer heat without significant stress
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Characteristics

  • Leaf: Small ovate to oblong leaves with serrated margins, dark green turning yellow in autumn
  • Flower: Tiny apetalous reddish-purple flowers in clustered racemes
  • Stem: Slender, densely branching to form a tight mounded silhouette
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Care Guide

Watering

Water regularly during extended dry spells; avoid waterlogging soil

Fertilization

Apply balanced slow-release fertilizer once at bud break. Avoid over-fertilizing to prevent excessive leggy growth

Eggshell powder topdressing:Crush clean, dried eggshells into fine powder; sprinkle 1 tsp per plant over soil surface to boost calcium levels without risk of burning roots
Pruning
  • Trim lightly in late winter to maintain the natural compact rounded shape
  • Remove dead or damaged branches to improve airflow and reduce disease risk
  • Avoid heavy pruning to preserve the cultivar's characteristic mounded silhouette
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no reported toxicity

Humans: Non-toxic to humans; no known adverse effects from ingestion or contact

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental dwarf shrub for small garden spaces, rock gardens, and container displays