Medicago Species, Alfalfa, Lucerne

Medicagosativa

Family
Fabaceae (fab-AY-see-ee)
Genus
Medicago (med-DIK-ah-go)
Species
sativa (sa-TEE-vuh)
Synonym
Medicago afganica
Medicago grandiflora
Medicago ladak
Medicago mesopotamica
Medicago orientalis
Sun Exposure
Full Sun
Foliage
Grown for foliage
Evergreen
Good Fall Color
Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
Spacing
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Bloom Color
Lavender
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Groundcovers
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Bronze
Chartreuse/Yellow
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Patent Information
Propagation Methods
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored
Regional

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

CARLOTTA, California

Jacksonville, Florida

Oakland, Maryland

Summit, Mississippi

Blue Springs, Missouri

Binghamton, New York

Hulbert, Oklahoma

Greencastle, Pennsylvania

Spicewood, Texas

Falling Waters, West Virginia

Watertown, Wisconsin

Robertson, Wyoming

show all

Featured Videos

Gardener's Notes:

2
positives
2
neutrals
0
negative
Sort By:
Sort By:
D
Saskatoon, SK (Zone 3a) | June 2009 | neutral

Alfalfa grows in the wild on the northern prairie. I've seen it in fields and along the sides of dirt roads outside of my home city of S...Read More

K
Watertown, WI (Zone 5a) | May 2008 | neutral

Alfalfa grows in an untended field beside our house (which was once a farm field). I just recently discovered what this "pretty weed" was...Read More

W
Spicewood, TX (Zone 8b) | June 2004 | positive

Beautiful plant. Pretty purple blooms. I enjoyed watching the bees bumble around the blooms. Didn't much care for really hot temps, es...Read More

L
Grove City, OH (Zone 6a) | May 2002 | positive

Alfalfa is a wonderful plant. I allow one specimen to grow as an ornamental. The leaves become variegated as it blooms, yellow/green an...Read More

Featured
Mollusc-eating Hammerhead Worm
(Bipalium vagum)
Goldfinch
(Carduelis carduelis)
Featured
Mollusc-eating Hammerhead Worm
(Bipalium vagum)
Goldfinch
(Carduelis carduelis)