Photo: Krzysztof Ziarnek, Kenraiz · CC BY-SA 4.0
Plant Facts
Quick Answer
Mountain Ash pollen is shown in this guide as a yellow and gold tone. It is listed as tree, associated with spring bloom timing, USDA zone 4 - 8, and pollen and nectar forage value.
Pollen Color Notes
The visual color shown for Mountain Ash is grouped broadly with yellow and gold pollen tones. It is intended for comparison and identification support, not as a laboratory measurement.
Pollen color is highly variable. Lighting, pollen age, moisture, collection method, cultivar, and local growing conditions can all change how pollen appears. Use this as general visual guidance, not a scientific color standard or guaranteed field match.
Bloom, Zone, and Forage Context
Mountain Ash is listed for spring. The record lists USDA zone 4 - 8; hardiness zones are planning context, not a precise flowering calendar. Approximate bloom months in the supplemental notes: May, June.
Its forage type is pollen and nectar, with pollen value marked as medium and nectar value marked as medium. Flower clusters provide spring pollen and nectar to diverse insects.
Identification Notes
A deciduous tree with pinnate leaves, flat clusters of small white flowers, and orange-red fruits; it is not a true ash in Fraxinus.
Flower color note: White. Flower color and pollen color may differ.
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Sources
United States Department of Agriculture / reviewed 2026-07-12
scientific name, common name, distribution context, plant classification Missouri Botanical Garden Plant Finder
Missouri Botanical Garden / reviewed 2026-07-12
plant identification, flowering context, garden plant descriptions Wikipedia and Wikimedia Commons
Wikimedia Foundation contributors / reviewed 2026-07-12
plant image, image credit link