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Used at RHS Chelsea Flower Show
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Showing Sowing month outside : September Special features : Tough plants that are harder to kill Hardiness : Fully hardy clear all
2 items
Centaurea nigra
Centaurea nigra
From £2.99
approx 20 seeds
9cm pot
3 × 9cm pots
6 × 9cm pots
1 star 1 star 1 star 1 star 1 star 5.0 5 5 (5)
Over-winter green manure

New

Over winter green manure
From £2.99
16m² pack
3 × packets of seeds

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