Herbaceous Peony 'Estrellia'Paeonia 'Estrellia' Herbaceous Peony 'Estrellia's flowers are deep velvet red and have a richer, darker character than the brighter scarlets and pinks that dominate much of the early peony season. Colour darkens as the bloom ages. What makes it especially interesting is it has a notably extended display for a herbaceous peony of up to four weeks. 'Estrellia' has tall stems, good growth, and lighter, more pointed foliage than is usual for a lactiflora,