Seven Plant Selections for Bay Area Retaining Walls
A planted wall can look completely different through the seasons. Rosemary drapes over a sunny edge, silver foliage catches the afternoon light, and a low flowering plant softens the line where soil meets stone.
These are Victory Nursery’s editorial selections for different Bay Area garden conditions, not a ranking of plants that work everywhere. Some create a true cascade; others make a lower, gentler edge. Coastal gardens and hot inland gardens need different choices.
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1. Creeping Rosemary: an evergreen cascade for sunny walls
Salvia rosmarinus, also sold under Rosmarinus officinalis.
Trailing rosemary is a natural starting point for a sunny wall with well-drained soil behind it. Its fine evergreen foliage drapes over the edge rather than forming an upright flower border. UC Master Gardener demonstration planting in Livermore includes ‘Irene’ and ‘Huntington Carpet’ on a retaining wall. Leave room for mature spread and keep paths and drainage outlets clear. Established plants tolerate drier conditions, but newly planted rosemary still needs establishment watering.
Shop Irene Rosemary, Huntington Carpet Rosemary, or Creeping Rosemary. Compare the cultivar and size before selecting.
2. Silver Falls Dichondra: a soft silver curtain
Dichondra argentea ‘Silver Falls’.
Silver Falls brings a lighter texture, with trailing stems that can fall below a wall or container edge. It suits sun to partial shade and well-drained soil. Its frost tenderness matters in colder inland locations: do not expect an uninterrupted silver curtain through every winter.
3. Yankee Point California Lilac: a broad evergreen planting
Ceanothus griseus var. horizontalis ‘Yankee Point’.
‘Yankee Point’ suits a broad wall-top bed or slope where its spreading growth has room to develop. Spring blue flowers bring a seasonal change to evergreen foliage. This is not a choice for a narrow pocket of soil: mature width can be substantial. Hot inland exposures require more careful placement than cool coastal sites.
4. Diamond Heights California Lilac: a golden low edge
Ceanothus griseus var. horizontalis ‘Diamond Heights’.
Gold-and-green foliage makes ‘Diamond Heights’ useful where the design needs a low, bright edge rather than a long cascade. Give it suitable drainage and room to spread. In warm inland gardens, light shade and appropriate summer watering are more suitable than the hottest reflected afternoon heat.
5. Mt. Tamboritha Woolly Grevillea: texture close to the wall
Grevillea lanigera ‘Mt. Tamboritha’.
This low, spreading grevillea combines fine-textured foliage with small flowers. It can soften a sunny wall-top planting where the soil drains well. Think of a spreading cushion and gentle spill, not a long hanging curtain. Allow for its mature width rather than packing plants tightly along the edge.
6. Angelina Stonecrop: a golden succulent edge
Petrosedum rupestre ‘Angelina’, also sold as Sedum rupestre ‘Angelina’.
‘Angelina’ adds a low mat of golden succulent foliage and a short spill over a suitable edge. It suits sun to light shade and particularly good drainage. Avoid persistently wet soil. It belongs in the low-edge category, not among plants expected to cover a tall wall.
7. Cape Sebastian Seaside Daisy: flowers for cooler gardens
Erigeron glaucus ‘Cape Sebastian’.
For a cooler coastal garden, seaside daisy offers a low flowering edge with a softer character. It is not a long cascading plant. In hotter inland gardens, exposure and irrigation deserve extra attention rather than treating coastal suitability as universal heat tolerance.
Before the plants go in
The useful checks are simple: soil depth behind the wall, drainage, reflected heat, winter cold and the space available at maturity. Plant in an appropriate soil bed, not in a structural joint. Keep drainage and inspection access open. Every new planting needs establishment care, even when the mature plant is described as drought tolerant.
Plants soften the appearance of a retaining wall; they do not replace its structural design or drainage system. Structural concerns belong with a qualified professional.
Product links were checked on November 14, 2026. Availability, sizes and delivery arrangements can change; live product information and order confirmation take precedence.