Chelone Species, Fishmouth, Shell Flower, Turtle Bloom, White Turtlehead

Chelone glabra

Genus
Chelone (kay-LOH-nee)
Species
glabra (GLAY-bruh)
Synonym
Chelone alba
Chelone capitata
Chelone chlorantha
Chelone elatior
Chelone lanceolata
Sun Exposure
Light Shade
Foliage
Herbaceous
Smooth
Height
24-36 in. (60-90 cm)
Spacing
18-24 in. (45-60 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)
Danger
N/A
Bloom Color
Pale Pink
Pink
White/Near White
Bloom Time
Mid Summer
Late Summer/Early Fall
Mid 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
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
From herbaceous stem cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; direct sow after last frost
Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
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:

Waukegan, Illinois

Perry, Maine

Annapolis, Maryland

Jefferson, Maryland

Attleboro, Massachusetts

Bridgewater, Massachusetts

Isle, Minnesota

Minneapolis, Minnesota

Lincoln, Nebraska

Frenchtown, New Jersey

Blossvale, New York

Buffalo, New York

Croton On Hudson, New York

Glen Cove, New York

Wallkill, New York

Flat Rock, North Carolina

Harrisburg, Pennsylvania

Kempton, Pennsylvania

Media, Pennsylvania

Osceola, Pennsylvania

Wilkes Barre, Pennsylvania

Wakefield, Rhode Island

Dickson, Tennessee

Leesburg, Virginia

Wild Rose, Wisconsin

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Featured Videos

Gardener's Notes:

4
positives
1
neutral
0
negative
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G
(Zone 5a) | February 2012 | positive

Neat little white flowers that bloom September - October in my garden.

F
Glen Cove, NY (Zone 6b) | April 2011 | positive

Bought this on a whim not knowing what it was other than pretty and shade-loving. Years later, it still pops up under my pine tree and gi...Read More

M
Jefferson, MD | November 2007 | positive

This perennial is also the sole food source of the Baltimore Checkerspot butterfly and is, therefore, an important and functional plantin...Read More

S
Flat Rock, NC (Zone 7b) | September 2004 | neutral

My Chelone is pale pink. I just found it wild, and brought one home to see if I can get it to grow for me. Wish me luck! It's a gorgeous ...Read More

K
K
Mount Prospect, IL (Zone 5a) | July 2003 | positive

I have Chelone glabra growing in mostly shade on the east side of my garage (moist, well-drained soil). This little cutie cloned ...Read More

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