Chelone Species, Purple Turtlehead, Red Turtlehead, Rose Turtlehead, Shellflower

Cheloneobliqua

Genus
Chelone (kay-LOH-nee)
Species
obliqua (oh-BLIK-wuh)
Synonym
Chelone latifolia
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Smooth
Height
24-36 in. (60-90 cm)
Spacing
18-24 in. (45-60 cm)
Hardiness
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)
Bloom Color
Pink
Medium Purple
White/Near White
Bloom Time
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
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
Regional

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

Juneau, Alaska

Brookfield, Connecticut

Ledyard, Connecticut

Dallas, Georgia

Des Plaines, Illinois

Fairfield, Illinois

Mount Prospect, Illinois

Newburgh, Indiana

Pacific Junction, Iowa

Ewing, Kentucky

Brunswick, Maine

Falmouth, Maine

South Berwick, Maine

Chicopee, Massachusetts

Norfolk, Massachusetts

Ely, Minnesota

Kasota, Minnesota

Minneapolis, Minnesota

Barrington, New Hampshire

Jamesburg, New Jersey

Rockaway, New Jersey

Buffalo, New York

Croton On Hudson, New York

Hampton Bays, New York

Norwood, New York

Davidson, North Carolina

Raleigh, North Carolina

Fargo, North Dakota

MOUNT HOOD PARKDALE, Oregon

West Linn, Oregon

Coopersburg, Pennsylvania

Sumter, South Carolina

Knoxville, Tennessee

Lenoir City, Tennessee

Murfreesboro, Tennessee

Essex Junction, Vermont

Alexandria, Virginia

Buchanan, Virginia

Lexington, Virginia

Pembroke, Virginia

Madison, Wisconsin

Wild Rose, Wisconsin

show all

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Gardener's Notes:

7
positives
7
neutrals
0
negative
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T
Brunswick, ME | September 2013 | positive

I just identified a plant in my yard as the Purple Turtlehead. It is so beautiful.. watching the bees trying to get into each flower is ...Read More

I
I
Brookfield, CT | October 2007 | positive

bought three plants a year ago - planted within 5ish feet of each other .. two plants're taller and thinner, one shorter and bushier. <...Read More

P
Alexandria, VA | October 2007 | neutral

Beautiful plant, but having a hard time keeping the leaves from turning black. Finally realized my soil is alkaline rich and needs acid. ...Read More

B
(Zone 7a) | January 2007 | neutral

Some sources say that Turtlehead species are the only larval host for the Maryland State insect, the Baltimore Checkerspot, but at ...Read More

J
Rockaway, NJ (Zone 6a) | August 2005 | neutral

I planted two of the turtlehead plants two years ago. Did fine until now. They are about 24-36 inches high now, and this year I'm seeing ...Read More

L
Delray Beach, FL (Zone 10a) | August 2005 | positive

I got my chelone obliqua as a freshly divided, wilted, 2-stalk, sorry-looking specimen in 4-inch pot in May 2002 at a church garage sale ...Read More

O
Brookeville, MD | November 2003 | positive

Beautiful plant! Not only is it beautiful, easy to grow and fast but it's a butterfly host plant. I think the Baltimore Checkerspot but I...Read More

P
Garden City, MI (Zone 6b) | September 2003 | positive

I am in southeastern Michigan, near Ann Arbor, and I have a huge clump, quite old, and now I'm finding them all over my yard. As far as ...Read More

T
(Zone 4a) | September 2003 | positive

This plant grows in Zone 4, too.

B
Holland, MI (Zone 6a) | July 2003 | positive

I am almost positive that this plant grew well in upper New York State when I was growing up. It required almost no care.

...Read More

S
Oklahoma City, OK (Zone 7a) | August 2001 | neutral

Best grown in moist to wet, rich, humusy soils in full sun to part shade. Appreciates a good composted leaf mulch, particularly in full s...Read More

M
| August 2001 | neutral

Chelone obliqua has deep pink flowers late summer to fall. Reaches 2-3 feet tall and half as wide. It may need staking if plante...Read More

M
M
Florence, AL (Zone 7a) | April 2001 | neutral

While most chelone top out at 3' or so, there is one type with white flowers tipped in purplish-pink which can reach six feet or more, if...Read More

J
J
MD &, VA (Zone 7b) | November 2000 | neutral

There are 6 species to this genus. The flowers resemble turtle heads or snapdragons in appearance. Leaves are toothed, broad, opposite an...Read More

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