Yellow Sweet Clover Pollen Color

Melilotus officinalis

Yellow Sweet Clover pollen is shown in the orange and amber color family as general visual guidance. Use this page as a reference for pollen appearance, bloom timing, plant type, bee forage value, and available hardiness context.

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.

Visual guideYellow Sweet Clover pollen

No verified flowering image is currently available.

Plant Facts

SeasonSpring to Fall
USDA Zone3 - 9
Plant TypeWildflower
ForagePollen and nectar
Pollen ValueHigh
Nectar ValueHigh
Color FamilyOrange and amber
Scientific NameMelilotus officinalis
Common NamesYellow sweet clover, Yellow sweetclover
Color ConfidenceLow
Color MethodProvisional visual swatch; reviewed sources support species identity and forage value but not a field-load color measurement.
Reviewed2026-10-14

Quick Answer

Yellow Sweet Clover pollen is shown in this guide as an orange and amber tone. It is listed as wildflower, associated with spring to fall bloom timing, USDA zone 3 - 9, and pollen and nectar forage value.

Pollen Color Notes

The visual color shown for Yellow Sweet Clover 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

Yellow Sweet Clover is listed for spring to fall. The record lists USDA zone 3 - 9; hardiness zones are planning context, not a precise flowering calendar. Approximate bloom months in the supplemental notes: May, June, July, August, September.

Its forage type is pollen and nectar, with pollen value marked as high and nectar value marked as high. A long-blooming pollen and nectar plant that can be important to honey bees, while also behaving invasively in some regions.

Identification Notes

A tall biennial with toothed trifoliate leaves and elongated racemes of small yellow pea flowers.

Flower color note: Yellow. Flower color and pollen color may differ.

Related by Similar Color

Spanish Needles - Orange and amber Rough Oxeye - Orange and amber Carolina Silverbell - Orange and amber Onion - Orange and amber Green-and-Gold - Orange and amber Simpson's Rosinweed - Orange and amber

Related by Season

Broccoli - Spring to Fall Calendula - Spring to Fall Catnip - Spring to Fall Clematis - Spring to Fall Dandelion - Spring to Fall Dogwood - Spring to Fall

Related by Plant Type

Alfalfa - Wildflower Aster - Wildflower Balsam - Wildflower Bee Balm - Wildflower Bindweed - Wildflower Bird's-Foot Trefoil - Wildflower

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 Pollen & Plant Bloom Dates
New Jersey Beekeepers Association / reviewed 2026-10-14
New Jersey bee-forage plant list, regional bloom windows, common-name context The Anther's Promise pollen library
The Anther's Promise / reviewed 2026-10-11
pollen color category, bloom period, pollen morphology, bee resource context