RHS Chelsea Flower Show

Filters

Out of stock items ShowHide

Showing RHS Chelsea Flower Show How much sun : Sun Location : Outdoor Sowing month outside : March Soil pH : Acid Season of Interest : Summer Sowing month inside or protected : March Attractive to wildlife : Attractive to pollinators Leaf colour : Green Soil moisture : Normal clear all

Out of stock items ShowHide

Facing

Supplied As

Sort by

Show 20 items

Showing 1 to 1 of 1 item

Showing RHS Chelsea Flower Show How much sun : Sun Location : Outdoor Sowing month outside : March Soil pH : Acid Season of Interest : Summer Sowing month inside or protected : March Attractive to wildlife : Attractive to pollinators Leaf colour : Green Soil moisture : Normal 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

Get the latest news, offers and advice.

item added to your basket item removed from your wheelbarrow
View your basket