The cheerful one. Oopsy Daisy is a compact dwarf calendula with tangerine-and-cream petals that look as though they have been dipped in paint — neat, mounded, and irrepressibly cheerful from June through to October.At just 25–30cm, it is perfectly suited to pots, containers, and the front of a sunny border, where it provides a continuous low ribbon of warm colour without ever getting in the way of what is behind it. Calendula officinalis — Hardy Annual (H3) Height: 25–30cm | Flowers: June–October Direct sow March–May or September for early blooms Full sun; well-drained soil — excellent in containers Compact self-supporting habit — no staking required Petals edible — excellent pollinator plant Grow it in terracotta pots by a doorway or along a path edge — it will reward you with colour all summer long.