After the dry period in early summer that caused some plant to die, many late summer perennials will be flowering less. Plants that enjoy the dry weather in late summer include Echinops ritro or Globe Thistle. They will grow to 1.5m tall and have soft thistle shaped leaves with tall stems bearing golf ball sized blue flowers. The need support but do well at the back of borders in full sun and well drained soils. Another blue plant is...
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