Echinops ritro subsp. ruthenicus 'Platinum Blue' (Ruthenian globe thistle 'Platinum Blue')

Cultivation

Grows well in poor, well-drained soil in full sun but will tolerate most soils and partial shade.

Suggested uses

Gravel, Architectural, Flower Arranging, Beds and borders, Cottage/Informal, Low Maintenance, Wildlife, Bees (attract & feed bees)

UK hardiness

H7

USDA zones

Zone 3, Zone 4, Zone 5, Zone 6, Zone 7, Zone 8

Sunset zone

4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 1, 2, 3, A2, A3

WUCOLS

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

Foliage

Deciduous

Habit

Erect, Clump-forming

Native to

Garden origin

Drought tolerant

No

Flood tolerant

No

Toxicity

Not toxic