Cichorium Species, Chicory, Italian Dandelion, Radicchio, Succory, Witloof

Cichoriumintybus

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Cichorium (sik-KOR-ee-um)
Species
intybus (IN-tye-bus)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Height
36-48 in. (90-120 cm)
Spacing
18-24 in. (45-60 cm)
Hardiness
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)
Danger
N/A
Bloom Color
Dark Blue
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Biennials
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Grow outdoors year-round in hardiness zone
Bloom Characteristics
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
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; stratify if sowing indoors
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:

Ponca, Arkansas

Chula Vista, California

Emeryville, California

Hercules, California

Menifee, California

Merced, California

San Bernardino, California

Santa Clara, California

Bailey, Colorado

Colorado Springs, Colorado

Keystone Heights, Florida

Glen Ellyn, Illinois

Mount Prospect, Illinois

Quincy, Illinois

Indianapolis, Indiana

Muncie, Indiana

Warren, Indiana

Iowa City, Iowa

Neola, Iowa

Benton, Kentucky

Calvert City, Kentucky

Harned, Kentucky

Hebron, Kentucky

Lexington, Kentucky

Melbourne, Kentucky

Skowhegan, Maine

Baltimore, Maryland

Brookeville, Maryland

Cumberland, Maryland

Earleville, Maryland

Oakland, Maryland

Halifax, Massachusetts

Woburn, Massachusetts

Erie, Michigan

Jordan, Minnesota

Shevlin, Minnesota

Cole Camp, Missouri

Forsyth, Missouri

Collingswood, New Jersey

Middlesex, New Jersey

Brentwood, New York

Ogdensburg, New York

Panama, New York

Sodus, New York

Lake Toxaway, North Carolina

Akron, Ohio

Bucyrus, Ohio

Dayton, Ohio

Glenmont, Ohio

Glouster, Ohio

Guysville, Ohio

Hilliard, Ohio

Lebanon, Ohio

Pocola, Oklahoma

Salem, Oregon

Downingtown, Pennsylvania

Greencastle, Pennsylvania

Lebanon, Pennsylvania

Milford, Pennsylvania

Millersburg, Pennsylvania

New Tripoli, Pennsylvania

Norristown, Pennsylvania

Valencia, Pennsylvania

Conway, South Carolina

York, South Carolina

Collierville, Tennessee

Madison, Tennessee

Garland, Texas

Martindale, Texas

Blacksburg, Virginia(2 reports)

Bluefield, Virginia

Floyd, Virginia

Palmyra, Virginia

Kalama, Washington

Puyallup, Washington

Liberty, West Virginia

Merrimac, Wisconsin

Milwaukee, Wisconsin

show all

Featured Videos

Gardener's Notes:

8
positives
11
neutrals
0
negative
Sort By:
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1
1
Brentwood, NY | May 2023 | neutral

This grows wild along the roadside all over Long Island New York. I find it very pretty and attractive. What puzzles me though is why it ...Read More

A
Corralitos, CA | May 2023 | neutral

I have grown the Red Rib variety on a busy corner lot (at my previous home) and it never failed to cause a stir to those walking by. One...Read More

J
Collierville, TN | June 2021 | neutral

I don't see any of these plants here in zone 7b but the flowers are sure pretty! The birds have brought me a seed and it grew. Not knowin...Read More

C
ROSLINDALE, MA | August 2016 | neutral

On rare occasions, I've seen plants with white flowers, and others with pinkish flowers.

E
New Tripoli, PA | August 2016 | neutral

Here in eastern Pennsylvania, it grows everywhere. I'd say it is moderately invasive, but as others have said, it is pretty - if you get ...Read More

K
Lexington, KY | July 2014 | positive

We have an empty plot in front of our house and it is filled with chicory. The field of blue flowers is so pretty. I want to try to grow ...Read More

C
Brookeville, MD (Zone 7a) | August 2010 | neutral

Chicory has naturalized it's self here in Maryland, like it has in other parts of the United States. It hails from Eurasia but is a commo...Read More

L
| July 2009 | positive

The blue flower, chicory, or italian dandelion, grows profusely on roadsides in chilliwack, b.c., and a little more than an hour ago I ch...Read More

J
J
Belfield, ND (Zone 4a) | September 2008 | neutral

The Cichorium intybus flowers are predominately blue or lavender, but occasionally there will be some white flowers.

K
Panama, NY (Zone 5a) | September 2008 | positive

I have always known the blue chicory, but this year found some white growing in the ditch down by the field that we planted millet in. v...Read More

T
Muncie, IN | July 2008 | positive

Good thing that I like Chicory, because it grows naturally all over my yard. I have never sown this plant, but anywhere that I do not run...Read More

D
Ogdensburg, NY | June 2008 | neutral

Too funny! Here I go and buy a mix of herb seeds and get all excited about "chicory"...this stuff grew WILD in the ditch in front of my ...Read More

E
| August 2007 | positive

I found in nature Cichorium intybus with white flowers, much better than with blue flowers, really ornamental plant, long flowering perio...Read More

C
Woburn, MA | August 2007 | positive

I'm told the wild examples I see along roadways and sidewalks are escapees from gardens. I haven't had good luck getting it to start fro...Read More

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

A cheerful little weed that grows along the roadways and in vacant lots. It seems to prefer the hard packed ground for some reason.
...Read More

I
Keizer, OR (Zone 8b) | November 2004 | positive

This plant does not grow in my current neighborhood but it grows wild in every other place I've ever live in this country. It's not invas...Read More

W
Puyallup, WA (Zone 5a) | March 2004 | neutral

Edgewood, Washington
One of the best blue flowers around. It grows as a weed here along side of the road and in vacant lots. Lov...Read More

S
Old Town, FL | January 2004 | neutral

I have never grown this plant, but I was raised on the Gulf of Mexico, and my Mother was from South Louisiana, and every morning she made...Read More

D
D
Omaha, NE | January 2004 | neutral

I was not aware of this plant until I saw it growing wild on the edge of our local park. I like the blue color and have collected some s...Read More

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