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Our Plants - A to Z

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Oenothera macrocarpa
Known as Evening Primrose. Masses of lemon-yellow flowers on lax, dark red stems over a long period, remaining open in daytime.
 view details for Oenothera macrocarpa
 RHS Award of Garden Merit
Oenothera perennis
Small, clump-forming perennial with golden yellow flowers.
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Omphalodes "Cherry Ingram"
Starry, deep blue flowers.
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 RHS Award of Garden Merit
Ornithogalum magnum
Tall spires of white and green flowers on strong stems.
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Ornithogalum nutans
Pretty, silver-green flowers emerge after foliage starts to die back.
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 RHS Award of Garden Merit
Oxalis adenophylla
Greyish, heart-shaped leaflets. Bright rosy-pink flowers, paler in the centre with a purple throat.
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 RHS Award of Garden Merit
Oxalis articulata ssp rubra
Delicate pink flowers which close in low light.
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Oxalis triangularis purpurea
White flowers over purple foliage in summer.
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 RHS Award of Garden Merit   Insect-friendly plants