Buttercup Winterhazel
Corylopsis pauciflora · Hamamelidaceae
📷 Wouter Hagens · Public domain
The gardener's calendar
In autumn, ease off feeding and take the chance to clean up around buttercup winterhazel and prepare for winter.
ID card
- Foliage
- Deciduous
- Flowering
- February to April, pale yellow flowers in pendant racemes
- Adult size
- Approximately 1.5 m tall
- Growth
- Moderate
- Hardiness
- Hardy down to -15°C
- Origin
- Japan, Himalaya
- Soil type
- Well-drained, slightly acidic
✓ Taxonomy verifiedSource: AI estimate · hardiness: reliability high.
Expert tips
The key tip
Corylopsis pauciflora flowers on previous year's wood: prune lightly after flowering only if needed.
The common mistake
Pruning in autumn or winter thinking you're aerating it: you cut the formed flower buds and February-March flowering disappears.
The pro's trick
Mulch with brown peat or dead leaves at the base: it loves slight acidity and stable root moisture in winter, even though it fears waterlogging.
Care
Light exposure
Prefer a partially shaded or shaded location, protected from direct afternoon rays in warm regions. A north or east-facing position is ideal. In temperate climates, a spot with a few hours of morning sun promotes flowering.
Watering
Water regularly to keep the soil moist but not waterlogged, particularly during spring and summer growth. In winter, reduce watering. Avoid complete drying out of the soil and stagnant excess moisture.
Soil and planting
Plant in well-drained, slightly acidic soil rich in organic matter. Incorporate compost at planting to improve structure. Light mulching at the base helps retain moisture and regulate soil temperature.
Pruning and maintenance
Light pruning after flowering helps maintain a balanced and compact shape. Remove dead or poorly oriented branches in late winter. Avoid severe pruning, which reduces flowering in the following year.
Fertilizing
Apply balanced or flowering shrub-specific fertilizer in spring before active growth. One annual application is usually sufficient. Prefer slow-release formulations for regular feeding without overdosing.
Diseases and pests
Corylopsis pauciflora is generally resistant to serious diseases. Watch for powdery mildew in overly humid and stagnant conditions. Good drainage and adequate air circulation prevent most fungal problems.
Did you know?
Corylopsis pauciflora, whose name means 'sparse-flowered', is prized in Japanese gardens for its small clusters of lemon-yellow flowers that appear very early in the season. Its delicate, often fragrant blooms announce the arrival of spring and contrast beautifully against bare branches, which is their main appeal to landscapers.
Where to buy it
Best planted in autumn so the roots settle in before summer, or in early spring once the frost has passed. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, October, November.
Add this plant to my garden →Plants from the same family
- Chinese fringe flowerLoropetalum chinense
- Persian ironwoodParrotia persica
- Large witch alderFothergilla latifolia
- Hamamelis intermediaHamamelis intermedia
- Chinese witch-hazelHamamelis mollis
- Witch hazelHamamelis virginiana
Tips generated and checked by Viridia — adapt them to your local climate.