badge, an award previously granted to the Queen. To encourage people to open up about their mental health issues, Catherine, William and Prince Harry initiated the mental health awareness campaign "Heads Together" in April 2016. The campaign was first envisioned by Catherine earlier that year. "Heads Together" reportedly resulted in over one million people speaking out about their mental health, and an investment of £3m in mental health innovations. She later voluntarily talked about her struggles as a mother, and admitted that she suffered a "lack of confidence" and "feelings of ignorance" during certain periods of time. Catherine has discussed her experiences with "mum guilt" in balancing work/life commitments, and described bringing her newborn home from the hospital for the first time as "terrifying". She has also highlighted the importance of "a happy home" and "a safe environment" for children, and described her "passion" for the outdoors, referencing it as an asset to building childhood wellbeing and developmental foundations. She launched the Mentally Healthy Schools, which helps the students and staff with access "to reliable and practical resources to improve awareness, knowledge and confidence in supporting pupils' mental health". Catherine held sessions for the programme at the Mental Health in Education Conference in 2019. After two years of development, the website had over 250,000 visitors to the site accessing resources. In February 2016, she travelled to Edinburgh to promote the work of Place2Be, and launched Children's Mental Health Week, which she commemorates annually. Catherine guest-edited HuffPost UK as a part of the Young Minds Matter movement, an effort "to raise awareness for children's mental health issues". William and Catherine later met with members and representatives of Young Minds and Youthscape to promote their mental health campaign. In 2019, Catherine worked with the Royal Horticultural Society as one of the co-designers for a garden display at the 2019 Chelsea Flower Show. She designed the "Back to Nature Garden" together with Andree Davies and Adam White. The garden, which featured "a tree house, waterfall, rustic den and a campfire" among other parts, was unveiled at the Chelsea Flower Show in May 2019 to emphasise "the benefits the natural world brings to mental and physical well-being". The garden was later expanded and moved to Hampton Court Palace as a part of the Hampton Court Palace Flower Show, before being shown at the Back to Nature Festival at RHS Garden Wisley. A playground, inspired