Red Turtlehead

Chelone obliqua

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Plantaginaceae
Genus:
Chelone
Species:
Chelone obliqua
USDA Symbol:
CHOB3

Growth Characteristics

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

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)

Keystone Species Ranking

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

Garden & Ecology Notes

Wildlife Value:
bumblebees, hummingbirds, butterflies
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, moist, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Prefers habitats like wetlands 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.

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.

Source: Claude AI

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.

Source: Ontario Rock Garden & Hardy Plant Society