Ceanothus thyrsiflorus ‘Repens’ – A Low-Growing Evergreen with Brilliant Blue Flowers
Ceanothus thyrsiflorus ‘Repens’ is a spreading, evergreen shrub valued for its glossy dark green foliage and spectacular clusters of vivid blue flowers that appear in late spring to early summer. Often referred to as a prostrate California lilac, it forms a dense, low-growing carpet that is ideal for ground cover, banks, walls, and coastal gardens. Highly attractive to pollinators and tolerant of wind and salt, this hardy shrub provides year-round structure with a dramatic burst of seasonal colour.
With its cascading habit and intense blue blooms, Ceanothus thyrsiflorus ‘Repens’ is perfect for adding colour and texture to sunny, well-drained areas of the garden.
Why Grow Ceanothus thyrsiflorus ‘Repens’?
Brilliant Blue Flowers – Produces masses of cobalt-blue flower clusters in late spring, creating a striking and memorable display.
Evergreen Ground Cover – Glossy green leaves provide year-round interest and excellent coverage for slopes and banks.
Low-Growing, Spreading Habit – Ideal for covering ground, softening walls, or cascading over raised beds.
Pollinator-Friendly – Highly attractive to bees and butterflies during flowering.
Hardy and Low Maintenance – Thrives in well-drained soils, tolerates coastal exposure, and requires minimal pruning.
Height and Spread
Typically grows to 30–60cm (1–2ft) tall with a spread of 1.5–2.5m (5–8ft), forming a wide, flowing mat of evergreen foliage.
Where to Site Your Ceanothus thyrsiflorus ‘Repens’
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Banks and Slopes: Excellent erosion control and ground cover
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Walls and Raised Beds: Cascades attractively over edges
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Coastal Gardens: Wind- and salt-tolerant
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Sunny Borders: Adds evergreen structure and spring colour
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Pollinator Gardens: Provides valuable nectar
How to Grow and Care
Soil – Prefers well-drained soil; avoid heavy or waterlogged ground.
Light – Full sun for best flowering and compact growth.
Watering – Water during establishment; drought-tolerant once mature.
Maintenance
Pruning – Lightly prune after flowering to control spread. Avoid cutting into old wood.
Mulching – Mulch lightly to conserve moisture and suppress weeds.
Pests & Diseases – Generally trouble-free.
Perfect Plant Combinations
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Evergreen Shrubs: Hebe, Escallonia, or dwarf conifers
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Perennials: Lavender, Salvia, or hardy Geraniums
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Grasses: Ornamental grasses for contrast and movement
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Coastal Planting Schemes: Complements wind-tolerant species
Conclusion
Ceanothus thyrsiflorus ‘Repens’ is a vigorous, evergreen ground-cover shrub with stunning blue spring flowers. Ideal for slopes, walls, and coastal gardens, it offers year-round structure, low maintenance, and outstanding seasonal colour.
Does the height include the pot?
No, we measure from the top of the pot to the tip of the plant except for some of the instant planted screens, in this case it will be stated in the description
How long does delivery take?
Most orders are delivered in just a few days, Smaller items are often sent with Parcelforce on a next day service, Larger items should allow up to 10 days due to the size of the items they often have to be sent on our own transport.
Where will you leave my plants?
We will leave your order at the front of your property, Parcelforce may
leave your items in a safe place if you let us know, Pallet couriers
will require a flat hard surface to deliver to, no gravel or soil, a
driveway or parking spot would be best. Most importantly Deliveries by
pallet courier will require access for a large truck (bin lorry sized)
to get near the delivery point. Deliveries sent on our own transport may come in a small van or larger truck.