RHS Chelsea Flower Show

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Showing RHS Chelsea Flower Show Sowing month outside : May Ground Cover : No Evergreen/Deciduous : Deciduous Season of Interest : Summer Attractive to wildlife : Attractive to bees Soil pH : Alkaline Special features : Plants that are native Soil moisture : Normal Hardy : Yes clear all

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Showing RHS Chelsea Flower Show Sowing month outside : May Ground Cover : No Evergreen/Deciduous : Deciduous Season of Interest : Summer Attractive to wildlife : Attractive to bees Soil pH : Alkaline Special features : Plants that are native Soil moisture : Normal Hardy : Yes clear all

20% off

View info Centaurea Nigra | Black Knapweed Or Common Knapweed

From £2.39

approx 20 seeds

9cm pot

3 × 9cm pots

6 × 9cm pots

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