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Flowers, fruits, and branches

The celebrations may depict symbols of the Holy Spirit, such as the dove or flames, symbols of the church such as Noah's Ark and the Pomegranate, or especially within Protestant churches of Reformed and Evangelical traditions, words rather than images naming for example, the gifts and Fruits of the Spirit. Red flowers at the altar/preaching area, and red flowering plants such as geraniums around the church are also typical decorations for Pentecost masses/services.

These symbolize the renewal of life, the coming of the warmth of summer, and the growth of the church at and from the first Pentecost. In the southern hemisphere, for example, in southern Australia, Pentecost comes in the mellow autumntide, after the often great heat of summer, and the red leaves of the poinsettia have often been used to decorate churches then.

These flowers often play an important role in the ancestral rites, and other rites, of the particular congregation. For example, in both Protestant and Catholic churches, the plants brought in to decorate for the holiday may be each "sponsored" by individuals in memory of a particular loved one, or in honor of a living person on a significant occasion, such as their Confirmation day.

In German-speaking and other Central European countries, and also in overseas congregations originating from these countries through migration, green branches are also traditionally used to decorate churches for Pentecost. Birch is the tree most typically associated with this practice in Europe, but other species are employed in different climates.