Beginner
skill rating
Online Garden Tools
Useful videos
Lithodora diffusa 'Blue Star' (Purple gromwell 'Blue Star')
1 hour care
per year
per year
0.15m
Max height
Max height
1m
Max spread
Max spread
5-10 years
To maturity
To maturity
Plant details
Botanical name
Lithodora diffusa 'Blue Star'
Other names
Blue star creeper, Lithodora diffusa 'Star', Purple gromwell 'Blue Star', Gentian gromwell 'Blue Star'
Genus
Lithodora Lithodora
Variety or Cultivar
'Blue Star' _ 'Blue Star' is a low, sprawling, evergreen shrub bearing small, green leaves and abundant, small, bright blue flowers that are edged in white from spring into summer.
Lithodora diffusa 'Blue Star' is: Evergreen
Habit
Compact, Mat Forming, Spreading
Flower
White, Blue in Spring; White, Blue in Summer
Foliage
Green in All seasons
How to care
Watch out for
General care
Pruning
Pruning group 8
Propagation methods
Semi-hardwood cuttings
Sign up for your FREE ACCOUNT today or login to receive detailed monthly care instructions
Where to grow
Lithodora diffusa 'Blue Star' (Purple gromwell 'Blue Star') will reach a height of 0.15m and a spread of 1m after 5-10 years.
Suggested uses
Banks and Slopes, Beds and borders, Garden edging, Gravel, Ground Cover, Rock
Cultivation
Grow in humus rich, acid to neutral 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 'Blue Star'
Other names
Blue star creeper, Lithodora diffusa 'Star', Purple gromwell 'Blue Star', Gentian gromwell 'Blue Star'
Genus
Lithodora Lithodora
Variety or Cultivar
'Blue Star' _ 'Blue Star' is a low, sprawling, evergreen shrub bearing small, green leaves and abundant, small, bright blue flowers that are edged in white from spring into summer.
Foliage
Evergreen
Habit
Compact, Mat Forming, Spreading
Create your free Shoot garden
Create your free SHOOT garden and make a record of the plants in your garden.
Add your own photos, notes, get monthly email reminders on how to care for your plants, and connect with other gardeners. Get started now.
Colour
Flower
White, Blue in Spring; White, Blue in Summer
Foliage
Green in All seasons
General care
Pruning
Pruning group 8
Propagation methods
Semi-hardwood cuttings
Monthly care advice
Get access to monthly care advice
Create a free SHOOT account and get instant access to expert care advice for this and other plants in your garden.
You'll also receive handy monthly email reminders of what needs doing. Create your free account.
Where to grow
Lithodora diffusa 'Blue Star' (Purple gromwell 'Blue Star') will reach a height of 0.15m and a spread of 1m after 5-10 years.
Suggested uses
Banks and Slopes, Beds and borders, Garden edging, Gravel, Ground Cover, Rock
Cultivation
Grow in humus rich, acid to neutral 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 10, Zone 9, Zone 8, Zone 7
In order to add a note on this plant, please add this plant to your plant lists.
| 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... |
Report content or feedback to Shoot
To add ? to your lists,
login to your account or subscribe.
Find out more about plant lists here
or Login
To add notes for this plant login to your account or register for a new account.
Sign up for freeor Login
To add images for this plant login to your account or register for a new account.
Sign up for freeor Login
To check if this plant is suitable for your garden first login to your account or subscribe.
or Login
DISCUSS THIS PLANT
where can i buy
Need advice
There are 0 active discussions about Lithodora diffusa 'Blue Star' (Purple gromwell 'Blue Star')
View all discussions