Lithodora Plant - Heavenly Blue Flowers from spring to autumn! The Lithodora Plant - Heavenly Blue is a beautifully regal looking plant. This long flowering plant produces a magnificent succession of vibrant royal- blue flowers in blooms shaped like a star! These flowers are perfect for filling flower beds and flower borders throughout the summer season. The Lithodora Plant - Heavenly Blue is magnificent for creating ground cover in planters or rockery flower displays. For a perfect container or patio pot flower display plant the Lithodora Plant - Heavenly Blue in an ornamental pot to decorate your garden. Flowering from April- September the Lithodora Plant - Heavenly Blue grows to a height of 15cm (6”), spread 40- 50cm (16- 20”)