Description
Buy Ceratostigma ‘Griffithii’ online from our UK nursery. Ceratostigma griffithii is an evergreen to semi-evergreen hardy plumbago with bright blue flowers from late summer to autumn and leaves that turn red as temperatures drop.
Ceratostigma, the hardy plumbago, is a small shrub producing intense blue flowers in late summer and autumn. As the flowers fade the leaves often turn red, giving a striking blue-and-red finale to the season.
Key features of Ceratostigma ‘Griffithii’
- Plant type: Compact late-flowering shrub
- Season of interest: Late summer to autumn
- Look: Bright blue flowers and red-tinged leaves in autumn
- Height and spread: 1m x 1.5m
- Position: Full sun in a sheltered spot
- Soil: Well-drained soil
- Hardiness: Hardy in most areas
- Supplied in: 3L pot
- Best for: late-season colour, ground cover, sunny borders, rock gardens
Why choose Ceratostigma ‘Griffithii’?
- Bright blue late flowers
- Red-tinged autumn leaves
- Semi-evergreen in mild areas
Where to plant Ceratostigma ‘Griffithii’
Ceratostigma ‘Griffithii’ grows best in full sun in a sheltered spot, in well-drained soil. It is a good choice for late-season colour, and also works well for ground cover, sunny borders and rock gardens. Pair it with sedums, asters, grasses and lavender at the front of a sunny border.
How to plant Ceratostigma ‘Griffithii’
Give the pot a good soak first. Then dig a wide planting hole, enrich the soil with compost, and plant so the top of the root ball sits level with the ground. Firm in gently and water well, then add a mulch to hold in moisture.
How to care for Ceratostigma ‘Griffithii’
Water in dry spells while establishing. Cut back dead stems in spring once new growth appears. Generally trouble-free; it can be slow to emerge in spring, so wait before assuming losses.
Growing Ceratostigma ‘Griffithii’ in a pot
Grows well in containers. Use a loam-based compost such as John Innes No. 3, make sure the pot has drainage holes, and water regularly in summer, as containers dry out faster than borders.
Grown in the UK, for UK gardens
Our plants are nursery-grown at St Annes in North West England, raised outdoors and in tunnels in real UK weather rather than a hothouse, so they arrive healthy, acclimatised and well rooted. This Ceratostigma ‘Griffithii’ is supplied in a 3L pot. Container-grown plants can be planted almost all year round, as long as the ground is not frozen or waterlogged; autumn and spring are ideal.
Frequently asked questions
How big does Ceratostigma ‘Griffithii’ grow?
Ceratostigma ‘Griffithii’ typically reaches 1m x 1.5m, depending on position, soil and pruning.
When does Ceratostigma ‘Griffithii’ look its best?
Its main season of interest is late summer to autumn, when it shows bright blue flowers and red-tinged leaves in autumn.
Is Ceratostigma ‘Griffithii’ hardy?
Hardy in most areas.
How do I prune Ceratostigma ‘Griffithii’?
Cut back dead stems in spring once new growth appears.
When does Ceratostigma ‘Griffithii’ flower?
It flowers from late summer into autumn, when its blue flowers are especially welcome.
Is Ceratostigma ‘Griffithii’ good for ground cover?
Yes. Its low, spreading habit makes it useful at the front of borders and on banks.
Add Ceratostigma ‘Griffithii’ to your basket today and enjoy late summer to autumn interest in your garden.


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