Melilotus Species, Common Yellow Melilot, Ribbed Melilot, Yellow Sweet Clover

Melilotusofficinalis

Family
Fabaceae (fab-AY-see-ee)
Genus
Melilotus (mel-il-LOW-tus)
Species
officinalis (oh-fiss-ih-NAH-liss)
Synonym
Medicago officinalis
Melilotus arvensis
Melilotus pallidus
Melilotus petitpierreanus
Trifolium officinale
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
Height
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Spacing
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
Hardiness
Not Applicable
Bloom Color
Pale Yellow
Bright Yellow
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Annuals
Biennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Blue-Green
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
Seed Collecting
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Flagstaff, Arizona

Sedona, Arizona

Phelan, California

Boulder, Colorado

Denver, Colorado

Batavia, Illinois

Iowa City, Iowa

Benton, Kentucky

Melbourne, Kentucky

Erie, Michigan

Grand Rapids, Michigan

Saint Paul, Minnesota

Cole Camp, Missouri

Belfield, North Dakota

Glouster, Ohio

Downingtown, Pennsylvania

Pottstown, Pennsylvania

Arlington, Texas

Troy, Virginia

Madison, Wisconsin

show all

Featured Videos

Gardener's Notes:

2
positives
2
neutrals
0
negative
Sort By:
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P
High Desert, CA (Zone 8b) | April 2018 | positive

It's funny and odd. Yellow Sweet clover grows pretty well for 8B in the Mojave High Desert.. I've actually gotten this plant established ...Read More

F
Josephine, Arlington, TX (Zone 8a) | December 2006 | neutral

Yellow Sweet Clover Melilotus officinalis is naturalized in Texas ans other States and is considered an invasive plant in Texas.

F
Augusta, GA (Zone 8a) | November 2006 | neutral

In my youth this was a popular hay crop. Great nitrogen fixer, and if mowed early an excellent hay. When blooming it is very attractive t...Read More

M
M
Benton, KY (Zone 7a) | June 2005 | positive

Found throughout much of North America, Yellow Sweet Clover is actually a native of Eurasia. It blooms with yellow spike-like stalks fro...Read More

Featured
Assassin Bug
(Pristhesancus plagipennis)
Multicolored Tanager
(Chlorochrysa nitidissima)
Featured
Assassin Bug
(Pristhesancus plagipennis)
Multicolored Tanager
(Chlorochrysa nitidissima)