Lithodora diffusa 'Heavenly Blue'
Lithodora diffusa 'Heavenly Blue' is a superb low-growing evergreen alpine renowned for its dazzling deep blue, star-shaped flowers. From late spring onwards, the vivid blooms smother the neat mat of dark green foliage, creating a stunning carpet of colour that brightens sunny garden spaces.
Its naturally spreading habit makes it perfect for rock gardens, alpine beds, gravel gardens and the front of borders, where it gently trails over walls and edging. The evergreen foliage provides year-round interest, while the intense blue flowers create a striking contrast throughout the flowering season.
Easy to grow and reliable, 'Heavenly Blue' thrives in full sun with well-drained, acidic soil. Its exceptional garden performance has earned it the prestigious RHS Award of Garden Merit.
- RHS Award of Garden Merit (AGM)
- Brilliant deep blue star-shaped flowers from late spring
- Evergreen foliage provides year-round interest
- Ideal for rock gardens, alpine beds and gravel gardens
- Excellent for cascading over walls and edging borders
- Thrives in full sun and well-drained, acidic soil
- Height 20cm - Spread 40cm
Lithospermum, Gromwell
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EAN code8718469802708
- Brand
- Pot Size14cm
- AspectEast-facing, South-facing, West-facing
- AwardAGM (Award of Garden Merit) RHS
- Flower ColourBlue
- Flowering MonthMarch, April, May, June, July, August
- Foliage ColourGreen
- Foliage TypeEvergreen
- Garden StyleCity & Courtyard Garden, Cottage & Informal Garden, Gravel Garden, Patio & Container, Rock Garden
- Hardiness - RHS ratingH5 -15 to -10c. Hardy - cold winter
- Height20cm
- Spread40cm
- MoistureWell-drained
- pHAcid, Neutral
- Plant HabitMat-forming
- Plant TypeAlpine and Rockery Plant, Perennial
- Planting TypesBanks and Slopes, Borders and Beds, Ground Cover, Pots & Containers
- Season of InterestSpring, Summer
- Soil TypeLoam, Sand
- Special AttributesEasy to Grow, Long Flowering, Low Maintenance
- SunlightFull Sun
The majority of our national delivery options fall under the categories below. Certain oversized or age restricted items carry an additional delivery charge, however this will be clearly displayed in your basket before checkout.
Tracked Delivery (Express) - £7.99
Zone 1 - England, Wales & Scotland (excluding Highlands & Islands)
- Orders are dispatched within 3-5 working days
- Parcels are sent via DX or DPD on a next day service, requiring a signature on delivery or safe place instructions
- Fully tracked from door to door with text or email notifications along the way to keep you informed
- 2 hour time slot notification
- Dispatch days Monday - Thursday (excluding Bank Holidays)
- Delivery days Tuesday - Friday
Tracked Delivery (2-4 Days) - £14.99
Zone 2 – Highlands & Islands of Scotland
- Parcels are sent via a tracked 48 service, requiring a signature on delivery or safe place instructions
- Tracking code provided on dispatch. Email or SMS notification on day of delivery
- Orders dispatched within two working days
- Please expect 2-4 days for delivery
- List of applicable postcodes
Tracked Delivery (3-4 Days) - £14.99
Zone 3 – Isle of Man, Isle of Wight & Isles of Scilly
- Parcels are sent via a tracked 48 service, requiring a signature on delivery or safe place instructions
- Tracking code provided on dispatch. Email or SMS notification on day of delivery
- Orders dispatched within two working days
- Please expect 3-4 days for delivery
Parcel Tracking
Your order will be sent using a fully tracked service, providing us with some information on the parcel's status, location and route. It also allows us to provide you with the same information. Once your order has been dispatched you will receive an email (please check spam/junk email folders) with a tracking code and instructions on how this information can be retrieved.
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