Hydrangea Teller ‘Black Steel Blue’ – Elegant Blue Lacecap Flowers with Dark Stems
Hydrangea Teller ‘Black Steel Blue’ is a refined lacecap hydrangea that combines delicate floral detail with striking, dark stems for a contemporary garden look. Its flat flower heads feature a central cluster of tiny fertile flowers surrounded by larger, rich blue outer florets, creating a soft yet eye-catching display through the summer months.
The deep blue colouring is particularly vivid in acidic soils, where the tones intensify beautifully against the plant’s dark, almost black stems. Glossy green foliage provides a lush backdrop, enhancing both the colour contrast and the overall structure of the plant.
Flowering from early to late summer, ‘Black Steel Blue’ offers a lighter, more natural alternative to traditional mophead hydrangeas, while still delivering strong seasonal impact. Its compact habit makes it ideal for borders, woodland planting, and containers, especially in smaller gardens or shaded courtyards.
Hardy, reliable, and effortlessly stylish, Hydrangea Teller ‘Black Steel Blue’ is a superb choice for gardeners looking to add elegant colour and modern contrast to their planting schemes.
Seasonal Highlights
Spring: Fresh green foliage emerges on dark stems.
Summer: Blue lacecap flowers create a soft, layered display.
Autumn: Blooms age to softer tones and fade gracefully.
Winter: Deciduous framework with dark stems adds subtle interest.
Key Features
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Blue lacecap flowers – Elegant, airy blooms with depth of colour.
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Dark stems – Strong contrast and modern appeal.
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Compact habit – Ideal for borders and containers.
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Long flowering – Summer interest over many weeks.
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Low maintenance – Easy and reliable.
Perfect For
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Shaded borders – Adds colour and detail.
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Woodland gardens – Natural, informal planting.
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Containers – Beautiful patio feature.
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Small gardens – Compact and manageable.
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Mixed hydrangea planting – Contrasts with mopheads.
Growing Tips
Sun/Position: Partial shade; avoid strong midday sun.
Soil: Moist, well-drained soil; prefers acidic soil for best blue colour.
Hardiness: Fully hardy across the UK.
Care: Prune lightly in spring, removing dead or weak stems only.
Looks Great With
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Shade companions – Hosta, Ferns, Heuchera.
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Woodland plants – Brunnera, Pulmonaria, Epimedium.
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Evergreens – Skimmia, Euonymus.
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Other hydrangeas – Pair with whites and pinks for contrast.