t Sea Holly ‘Oxford Blue’ has amazing blooms. The cone shaped, purple blue flower heads are surrounded by intricate, spiny, metallic blue bracts that last an age.
The evergreen foliage grows to forms clumps of deeply divided leaves in shades of silver and green. Their spiky form is excellent for adding texture to the garden.
Sea Holly are a perfect complement to a cottage border, and as they establish you will get more and more flowers. If you dead head the spent flowers you will increase bloom time - from as long as late spring right through to winter.
Plant Sea Holly ‘Oxford Blue’ in a sunny spot to get the best colouring. Sea Holly grows best in moderately fertile to humus rich, well drained soil. Though in saying this, they are quite adaptable as they are endemic to poor, dry and rocky soils. Good drainage is the most important element and they will thrive in hot, dry sites once established.
Sea Holly is a member of the parsley family, Apiaceae.
Summer to Autumn
Cool to Mediterranean
Full Sun to Semi Shade