The Best Overlook Portland View Rose Garden References. Web the oldest official continuously operated public rose test garden in the united states, the portland international rose test garden in washington park features more than 10,000 roses, great views of the skyline and the cascades. Web international rose test garden:

Web 7 reviews #172 of 463 things to do in portland parks write a review what people are saying “ beautiful place to visit ” jun 2018 a peaceful place to visit with a great view of the surrounding area. It boasts more than 10,000 rose bushes and more than 600 varieties. Web located just outside the coastal town of portland, victoria, the treloar roses display garden extends over two acres and showcases over 200 different rose varieties.