White Turtlehead

Chelone glabra

Native to:
Canada, Prince Edward I., United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Plantaginaceae
Genus:
Chelone
Species:
Chelone glabra
USDA Symbol:
CHGL2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
120 cm
Light Requirements:
Full Sun,Part Shade,Shade
Drought Tolerance:
Low
Bloom Months:
aug,sep,oct
Bloom Colors:
white, pink

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

Caterpillar Keystone:
★☆☆☆☆ Butterfly & moth species supported by this genus (NWF)

Host Plant for Caterpillars

Papaipema nepheleptena, satyr pug (Eupithecia satyrata), Baltimore checkerspot (Euphydryas phaeton)

Reported Fauna Sightings

Bees: Common eastern (Bombus impatiens), Half-black bumble (Bombus vagans) Hummingbirds: Ruby-throated Hummingbird (Archilochus colubris) Butterflies:Baltimore checkerspot (Euphydryas phaeton)

Garden & Ecology Notes

Wildlife Value:
bumblebees, hummingbirds, Baltimore checkerspot butterfly larvae
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, moist, organic soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
prefers wetland areas like marshes and stream banks

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
14–42 days
Notes:
Seeds require light for germination; surface sow and do not cover. Cold stratification improves germination rates significantly.

The above propagation data sourced from Claude AI

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.

Notes: Seeds may require light for germination.

Source: Claude AI

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months. Requires light / surface sow (fine seed).

Source: Ontario Rock Garden & Hardy Plant Society