Before our climate warmed up this was grown as an annual in the UK.
In sheltered southern gardens it's now perennial if given very good drainage.
Named after its upright habit, this short Verbena outshines almost any other plant for feeding every bee, butterfly and moth and is a star performer for a prominent position.
The hundreds of tiny flowers found on each upright head will provide a purple haze from June until October.
Unlike any other Verbena it forms a tuber root; if in any doubt about its hardiness these can be lifted and overwintered as for dahlias. Provide excellent drainage and this shouldn't be necessary.
Photo: Blackstem Plants
Very well drained