RHS Chelsea Flower Show

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Showing RHS Chelsea Flower Show Facing : West How much sun : Sun Sowing month outside : May Soil pH : Acid Special features : Plants that are native Soil moisture : Dry/Sandy clear all

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Showing RHS Chelsea Flower Show Facing : West How much sun : Sun Sowing month outside : May Soil pH : Acid Special features : Plants that are native Soil moisture : Dry/Sandy clear all

View info Centaurea Nigra | Black Knapweed Or Common Knapweed

From £2.99

approx 20 seeds

9cm pot

3 × 9cm pots

6 × 9cm pots

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