Orange tip of the season

The unmistakable flash of orange drifting across a spring meadow is one of the most uplifting signs that the season has arrived.

The orange tip butterfly (Anthocharis cardamines) is a short-lived but much-loved species, appearing from April into early summer. Males are instantly recognisable, with bright orange tips on their forewings, while females lack this colouring but share the same delicate white wings with intricate green marbling beneath. This underside, resembling a mosaic of leaf veins, provides excellent camouflage when the butterfly rests among grasses and wildflowers.

Orange tips can be found in damp meadows, woodland edges, riverbanks and gardens, and even roadside verges — anywhere their foodplants grow. Females lay their eggs on plants in the cabbage family, particularly cuckooflower and garlic mustard. Before laying, they carefully test each plant using sensory receptors in their feet, effectively ‘tasting’ it to ensure it can support the developing caterpillar. Each plant usually hosts just a single egg – a remarkable strategy that reduces competition, as the emerging caterpillars will eat not only leaves but also developing seed pods, and may even consume rival eggs. The eggs themselves are striking: laid pale cream, they turn bright orange within days, like tiny orange rockets hinting at the transformation to come.

This species has a fascinating and tightly timed lifecycle. Adults emerge for just a few weeks each spring, with males often patrolling along hedgerows and field margins in search of females. They are highly mobile and can cover surprising distances, giving them a scattered but widespread presence across the landscape. After feeding and growing through the summer, the caterpillar forms a slender chrysalis attached upright to a stem, where it remains through autumn and winter before emerging the following year.

Despite being relatively common, orange tips depend on well-managed habitats. Their reliance on specific wildflowers and lightly shaded, damp conditions mean they can quickly disappear where grasslands are over-managed or left to scrub over. Their presence is often a sign of healthy, connected habitats rich in native plants.