How to Prune Veronica austriaca subsp. teucrium 'Knallblau'?
Deadhead to encourage further flowers. Remove faded flower stems in autumn
Veronica austriaca subsp. teucrium 'Knallblau' · Pruning
Veronica austriaca subsp. teucrium 'Knallblau' · Veronica austriaca subsp. teucrium 'Knallblau'
Thrives in moderately fertile, well-drained soil in full sun. Will not tolerate waterlogging
Watering: Moderate regular watering, avoid prolonged drought and stagnant waterloggingSunlight: Full sunInformation to be completed