long leaf speedwell

The long leaf speedwell (Veronica longifolia 'Blue John') is an evergreen perennial that should be watered regularly. It should be watered every 2-3 days during hot, dry weather. Allow the soil to dry slightly between each watering but don’t let the plant become too dry as this will lead to leaf drop. During cooler, wetter weather, the plant should only be watered from below when the soil is dry to the touch. During winter months, reduce the frequency of watering to allow the plant to go into a semi-dormant state.

Long leaf speedwell (Veronica longifolia ‘Blue John’) is a drought-tolerant, sun-loving plant that does best in full sun (at least 6 hours a day). It grows best in well-drained soil that is rich in organic matter, and its foliage will become more vibrant in direct sunlight. Long leaf speedwell should be planted in an area that receives direct sun for at least part of the day, ideally in the late morning or early afternoon. When grown in partial shade, plants tend to become leggy or flopping.

Long leaf speedwell (Veronica longifolia 'Blue John') should be pruned twice a year for best results. Light pruning should take place shortly after the plant has finished flowering in early summer, removing any dead, diseased or damaged stems as well as any flower heads to prevent the plant from self-seeding. A more hard-prune can take place in late winter, when the plant should be cut down to around 1-third of its size to encourage fresh new growth in the spring. All pruning should be done with sharp, clean pruning shears to reduce any potential for damaging the stems.