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Berkheya purpurea 'Silver Spike'
© Deeproot Plant Base
synonyms: Berkhaya purpurea 'Silver Spike'
growth rate: medium
growth habit: clump
leaf colour: grey-green
flower colour: lilac
main season: Summer
dry soil, moist soil, sandy soil
preferred soil pH: any
minimum temp: -6°C
USDA zone: 9 to 10
Very prickly basal rosettes of lobed dark grey-green leaves with sharp silvery spines at the edges. Large pale lilac flowers on sturdy erect stems in summer. Forms a deep taproot.
Very well drained, gritty soil in full sun. Drought tolerant, thriving in hot dry conditions.