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	Plant list: Spiky plants Large, spiky plants are often best used alone as specimens – pieces of living architecture or sculpture. Smaller spiky plants contrast with round, domed plants and make great ‘exclamation marks’ in a planting scheme.
	Yucca Yucca Shrubs Hardy to frost tender White Light blue, deep green 1.8m to 10m (6ft to 33ft) x 1.2m to 8m (26ft) Evergreens grown for their bold, sword-shaped leaves (some also have trunks) and their flowering spikes of bell-shaped flowers. Yuccas are a great container plant.
	Related plant lists: Tall and upright plants Low and spreading plants Spiky plants Domed or rounded plants Foamy plants