Rhododendron fastigiatum 'Blue Steel' (Dwarf rhododendron 'Impeditum Blue Steel' )
Other names: Rhododendron 'Impeditum Blue Steel'
'Impeditum Blue Steel' is a compact, dwarf, evergreen shrub with matt, oblong to lance-shaped, blue-grey leaves and funnel-shaped, lavender-blue flowers in spring.
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0.3m max. spread |
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0.3m max. height |
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10-20 years to maturity |
Papaver pilosum subsp. spicatum (Spiked poppy)
Other names: Papaver heldreichii, Papaver spicatum
P. pilosum subsp. spicatum is an herbaceous perennial with ovate to broadly lance-shaped, hairy, grey-green leaves and, along upright stems, rounded buds that open to papery, pale apricot flowers in summer.
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0.5m max. spread |
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0.5m max. height |
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2-5 years to maturity |
Aconitum hemsleyanum (Climbing monk's hood)
Other names: Climbing monkshood, Aconitum volubile
A. hemsleyanum is a twining, perennial climber with ovate, deeply-lobed, grey-green leaves and racemes of hooded, deep violet flowers from midsummer into autumn.
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1m max. spread |
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3m max. height |
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2-5 years to maturity |
Echinops ritro (Small globe thistle)
Other names: Blue hedgehog, Globe flower, Steel globe thistle, Blue globe thistle
E. ritro is a robust perennial, with divided, prickly dark green leaves whiter underneath, and round, violet-blue flowerheads on silver-grey, branched, leafy stems.
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0.5m max. spread |
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1m max. height |
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2-5 years to maturity |
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