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Lithodora diffusa 'Heavenly Blue'

Lithospermum diffusum 'Heavenly Blue', Purple Gromwell

Hardy Shrub

What is Hardy Shrub?

Awarded an RHS Award of Garden Merit

Covered in a profusion of star shaped, brilliant blue flowers

Looks great in rockeries, containers, and along the edge of borders

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Description How to Grow More Info Delivery Reviews
This low lying evergreen shrub is covered in a profusion of star shaped, brilliant blue flowers throughout late spring and summer. Lithodora diffusa 'Heavenly Blue' looks great in rockeries, containers, and along the edge of borders, especially alongside other plants with blue, purple and white flowers. It grows well in full sun and partial shade. The Royal Horticultural Society has awarded this plant its Award of Garden Merit. Height: 15cm (6"). Spread: 60cm (24").

Height Up to 15cm (6in)
Spread Up to 60cm (24in)

Hardy Shrub

alpine & rockerylow maintenance gardencottage gardens

full sun

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Flowering Months


1 x 3 litre potted lithodora plant (KA4423)
2 plants in 1 litre pots (V59641P)
1 x 1 litre potted lithodora plant (KA5784)

Lithodora diffusa requires a well drained, acid soil that is rich in organic matter. Choose a position in full sun.
Feed and water Lithodora plants regularly until they are fully established. After flowering, lightly trim the tips of Lithodora stems to maintain compact bushy growth.

Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. are delivered at the appropriate time for planting or potting on. Delivery times will be stated on the product page above, or in your order acknowledgement page and email.

Orders for packets of seed incur a delivery charge of £2.99.

Orders which include any other products will incur a delivery charge of £5.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £6.99 will apply - regardless of the number of items ordered.

Large items may incur a higher delivery charge - this will be displayed in your shopping basket.

Please see our Delivery page for further details, and more information on different charges that may apply to certain destinations.

For more information on how we send your plants please visit our Helpful Guide on plant sizes.

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