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Lithodora diffusa 'Heavenly Blue' (Purple gromwell 'Heavenly Blue')

Beginner
skill rating
1 hour care
per year
0.15m
Max height
0.6m
Max spread
5-10 years
To maturity

Plant details

Botanical name

Lithodora diffusa 'Heavenly Blue'

Other names

Purple gromwell 'Heavenly Blue', Lithospermum diffusum 'Heavenly Blue', Blue lithospermum, Lithospermum diffusa 'Heavenly Blue'

Genus

Lithodora Lithodora

Variety or Cultivar

'Heavenly Blue' _ 'Heavenly Blue' is a prostrate, mat-forming, evergreen shrub, bearing small, hairy, elliptic to narrowly oblong, dark green leaves and cymes of deep blue flowers from late spring into summer.


Lithodora diffusa 'Heavenly Blue' is: Evergreen

Habit

Compact, Mat Forming, Spreading

Awards

RHS AGM (Award of Garden Merit)

Flower

Blue in Spring; Blue in Summer

Foliage

Green in Spring; Green in Summer

How to care

Watch out for

General care

Propagation methods

Semi-hardwood cuttings


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Where to grow

Lithodora diffusa 'Heavenly Blue' (Purple gromwell 'Heavenly Blue') will reach a height of 0.15m and a spread of 0.6m after 5-10 years.

Suggested uses

Banks and Slopes, Beds and borders, Garden edging, Gravel, Ground Cover, Rock

Cultivation

Plant in humus rich, acid soil in full sun. Ideal for a rock or gravel garden. Place rocks close to the plant so the soil underneath remains cool and moist in a hot summer.

Soil type

Loamy, Sandy

Soil drainage

Well-drained

Soil pH

Acid, Neutral

Light

Full Sun

Aspect

North, South, East, West

Exposure

Exposed, Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

Companion plants

We do not currently have companion plants added for this plant.

Botanical name

Lithodora diffusa 'Heavenly Blue'

Other names

Purple gromwell 'Heavenly Blue', Lithospermum diffusum 'Heavenly Blue', Blue lithospermum, Lithospermum diffusa 'Heavenly Blue'

Genus

Lithodora Lithodora

Variety or Cultivar

'Heavenly Blue' _ 'Heavenly Blue' is a prostrate, mat-forming, evergreen shrub, bearing small, hairy, elliptic to narrowly oblong, dark green leaves and cymes of deep blue flowers from late spring into summer.

Native to

Garden origin

Foliage

Evergreen

Habit

Compact, Mat Forming, Spreading

Awards

RHS AGM (Award of Garden Merit)


Colour

Flower

Blue in Spring; Blue in Summer

Foliage

Green in Spring; Green in Summer

General care

Propagation methods

Semi-hardwood cuttings


Monthly care advice


Where to grow

Lithodora diffusa 'Heavenly Blue' (Purple gromwell 'Heavenly Blue') will reach a height of 0.15m and a spread of 0.6m after 5-10 years.

Suggested uses

Banks and Slopes, Beds and borders, Garden edging, Gravel, Ground Cover, Rock

Cultivation

Plant in humus rich, acid soil in full sun. Ideal for a rock or gravel garden. Place rocks close to the plant so the soil underneath remains cool and moist in a hot summer.

Soil type

Loamy, Sandy

Soil drainage

Well-drained

Soil pH

Acid, Neutral

Light

Full Sun

Aspect

North, South, East, West

Exposure

Exposed, Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

USDA zones

Zone 9, Zone 8, Zone 7, Zone 6

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In flower mid to late April 2020

21s March 2020

Lithodora diffusa Heavenly Blue (02/06/2013)

(23/05/2013)

(17/06/2011)

Lithodora diffusa Heavenly Blue (02/06/2013)

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This plant likes... Garden match
Soil types: Loamy, Sandy Tell us...
Soil drainage: Well-drained Tell us...
Soil pH: Acid, Neutral Tell us...
Light: Full Sun Tell us...
Aspect: North, South, East, West Tell us...
Exposure: Exposed, Sheltered Tell us...
Hardiness: Hardy (H4) Tell us...

DISCUSS THIS PLANT

Lithodora Diffusa

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