Although bloom times are directly related to the weather, the chart below displays the
usual times for the listed plants to bloom in Boerner Botanical Gardens.
Since 2007, Master Gardener Volunteers working with the UW-Extension Horticulture Center
at Boerner Botanical Gardens have been recording blooms in the Perennial Garden. To see
detailed records for more than 2,000 perennial plants, please select from the following:
Maps
Materials on the collections (magnolia, ash, crab apple, maple and street trees)
are available upon request. Please call (414) 525-5601.
