Despite the name, these grounds are not an experimental greenhouse laboratory but three terraced gardens, set on 4 acres, where 10,000 bushes and 400 varieties of roses grow. The flowers, many of them new varieties, are at their peak in June, July, September, and October. From the gardens, you can see highly photogenic views of the downtown skyline and, on fine days, the Fuji-shaped slopes of Mt. Hood, 50 mi to the east. Summer concerts take place in the garden's amphitheater. Take MAX light rail to Washington Park station and transfer to Bus No. 63.
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