Pinching out the growing tips early in the season to add to the natural bushy habit. Remove the old flower heads to prevent seeds forming and promote fresh blooms.
Frost tender, so lift and pot up as autumn approaches or take cuttings to over winter inside
Prefers well drained fertile soil in full sun or part shade. Plant out after all danger of frost has past. Also suitable for pots and containers
Ensure that temperatures are mild (minimum night temperatures should be around 8°C / 46°F) and all chance of frost has passed before planting out, as Gartenmeister Bonstedt is a tender plant.