Hydrangea anomala petiolaris is a vigorous climbing vine valued for its large lacecap white flower clusters that appear in late spring to early summer against rich green foliage. It clings naturally to walls, fences, and tree trunks with aerial roots, creating a lush vertical display that brings both texture and seasonal interest to shaded landscapes. Height & Spread: 30 - 50 ft x 5 - 6 ft Bloom Time: Late spring to early summer Light Requirements: Part shade to shade Soil Preference: Moist well drained soil rich in organic matter Watering Needs: Moderate; prefers consistent moisture Deer Resistance: Deer resistant Native Status This species is native to East Asia including Japan and Korea and is not native to North America, though it is widely planted for its ornamental value and ability to thrive in shaded conditions. WILDLIFE & INSECTS Butterflies Attracts a variety of butterflies including Eastern Tiger Swallowtails and Painted Ladies which feed on the nectar rich lacecap blooms. Bees Supports native bees and honeybees which visit the fertile flowers for nectar and pollen. Birds Provides shelter and nesting cover for small birds while mature vines create protected vertical habitat. Spacing & Landscape Use Spacing Recommendations Space 5 - 6 ft apart when planting along structures to allow room for mature spread and climbing growth. Landscape Placement Best used on walls, fences, arbors, and tree trunks where it can climb and create a layered vertical element in shaded or woodland settings. Companion Plants Fothergilla major (Large Fothergilla) - Adds spring flowers and strong fall color beneath the climbing structure. Heuchera americana (Coral Bells) - Provides low growing foliage contrast at the base of the vine. Hosta 'Sum and Substance' (Plantain Lily) - Brings bold chartreuse foliage that brightens shaded areas below. Dryopteris erythrosora (Autumn Fern) - Contributes warm toned fronds and woodland texture. Tiarella cordifolia (Foamflower) - Offers soft groundcover and spring blooms that complement the setting.