About Woodwardia unigemmata (Makino) Nakai
Woodwardia unigemmata is an evergreen fern species belonging to the Aspleniaceae family. It is commonly known as the jewelled chain fern. Its native range covers Assam, North-Central, South-Central, and Southeast China, East Himalaya, West Himalaya, Japan, Java, Myanmar, Nepal, New Guinea, Pakistan, the Philippines, Taiwan, Tibet, and Vietnam. This fern grows to 1.5 metres (4.9 feet) tall and 2.5 metres (8.2 feet) wide, and produces pinnately-divided fronds that emerge red and turn green as they mature. It grows naturally in high-rainfall areas. It is cultivated as an ornamental plant, and in the United Kingdom it has received the Royal Horticultural Society's Award of Garden Merit. It is an imposing architectural garden plant, and is thought to be hardy to temperatures as low as −10 °C (14 °F). It still requires a sheltered growing position in well-cultivated, consistently moist soil.