Centranthus ruber (Red valerian)

Cultivation

Plant in a well-drained, poor to moderately fertile soil (ideally a chalky or stony soil). Needs full sun to flower well.

Suggested uses

Coastal, Beds and borders, Cottage/Informal, Drought Tolerant, Low Maintenance, Wildlife, Wallside and trellises, Bees (attract & feed bees)

UK hardiness

H5

USDA zones

Zone 6, Zone 7, Zone 8, Zone 9, Zone 10

Sunset zone

2, 3, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, H1

WUCOLS

North-Central Coastal = Very Low
Central Valley = Very Low
South Coastal = Low
South Inland = Low
High and Intermediate Desert = Moderate/Medium
Low Desert = Moderate/Medium

Foliage

Semi-evergreen

Habit

Upright, Clump-forming

Native to

Mediterranean

Drought tolerant

Yes

Flood tolerant

No

Toxicity

Not toxic