How to Water Veronica austriaca subsp. teucrium 'Knallblau'?
Moderate regular watering, avoid prolonged drought and stagnant waterlogging

Veronica austriaca subsp. teucrium 'Knallblau' · Veronica austriaca subsp. teucrium 'Knallblau'
Thrives in moderately fertile, well-drained soil in full sun. Will not tolerate waterlogging
Moderate regular watering, avoid prolonged drought and stagnant waterlogging