Oakleaf Hydrangea Pollen Color, Bloom Season and Bee Forage

Visual guideOakleaf Hydrangea pollen

Photo: Eric in SF · CC BY-SA 3.0

Plant Facts

SeasonSpring to Summer

USDA Zone5 - 9

Plant TypeShrub

ForagePollen and nectar

Pollen ValueMedium

Nectar ValueMedium

Color FamilyOrange and amber

Scientific NameHydrangea quercifolia

Common NamesOakleaf hydrangea

Native RegionsSoutheastern United States

Range StatusNative to the southeastern United States.

Color ConfidenceModerate

Color MethodA species-level pollen-library record describes the pollen as yellow; the digital swatch is approximate.

Reviewed2026-10-11

Quick Answer

Oakleaf Hydrangea pollen is shown in this guide as an orange and amber tone. It is listed as shrub, associated with spring to summer bloom timing, USDA zone 5 - 9, and pollen and nectar forage value.

Pollen Color Notes

The visual color shown for Oakleaf Hydrangea is grouped broadly with orange and amber 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

Oakleaf Hydrangea is listed for spring to summer. The record lists USDA zone 5 - 9; hardiness zones are planning context, not a precise flowering calendar. Approximate bloom months in the supplemental notes: May, June, July.

Its forage type is pollen and nectar, with pollen value marked as medium and nectar value marked as medium. Bees use the small fertile flowers; cultivars dominated by sterile florets can offer substantially less forage.

Identification Notes

Oakleaf hydrangea is a deciduous shrub with large oak-shaped leaves and cone-shaped flower clusters containing small fertile flowers and larger showy sterile flowers.

Flower color note: White aging pink to tan. Flower color and pollen color may differ.

Related by Similar Color

Buttonbush - Orange and amber Virginia Sweetspire - Orange and amber American Bittersweet - Orange and amber Southern Catalpa - Orange and amber Golden Alexanders - Orange and amber Summersweet - Orange and amber

Related by Season

Allium - Spring to Summer Almond - Spring to Summer Alsike Clover - Spring to Summer American Bittersweet - Spring to Summer American Persimmon - Spring to Summer Black Gum - Spring to Summer

Related by Plant Type

Adam's Needle - Shrub Bell Heath - Shrub Berberis - Shrub Blackberry - Shrub Blackhaw Viburnum - Shrub Blackthorn - Shrub

Related by USDA Zone

Adam's Needle - Zone 4 - 10 Alder - Zone 2 - 7 Allium - Zone 3 - 9 Almond - Zone 4 - 8 Alsike Clover - Zone 3 - 8 American Basswood - Zone 3 - 8

Related by Bee Forage

Adam's Needle - Pollen and nectar Alfalfa - Pollen and nectar Allium - Pollen and nectar Almond - Pollen and nectar Alsike Clover - Pollen and nectar American Basswood - Pollen and nectar

Sources

USDA Plant Hardiness Zone Map
United States Department of Agriculture / reviewed 2026-07-12
USDA hardiness zone context USDA PLANTS Database
United States Department of Agriculture / reviewed 2026-07-12
scientific name, common name, distribution context, plant classification The Anther's Promise pollen library
The Anther's Promise / reviewed 2026-10-11
pollen color category, bloom period, pollen morphology, bee resource context Selecting Plants for Pollinators regional guides
Pollinator Partnership / reviewed 2026-10-11
North American regional plant selection, native range context, bloom timing, pollinator value Wikipedia and Wikimedia Commons
Wikimedia Foundation contributors / reviewed 2026-07-12
plant image, image credit link