Red Turtlehead (Chelone obliqua) is a clump-forming perennial with hooded, snapdragon-like pink to purplish-red flowers in late summer to fall.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
75% intensity
Prefers full sun but tolerates light shade, especially in hotter climates.
Consistent Moisture
75% intensity
Keep soil consistently moist, but not waterlogged.
Moist, well-drained soil
50% intensity
Moderate
50% intensity
Hardy in USDA zones 3-8. Prefers cooler temperatures and dislikes extreme heat.
Low
25% intensity
Requires minimal fertilization; a light feeding in spring is sufficient.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
| Edible | No |
Non-toxic to pets and humans.
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Chelone obliqua prefers consistently moist soil. Water deeply when the top 2-3 cm of soil feels dry. Avoid waterlogged conditions, which can lead to root rot.
Regular watering is crucial, especially during dry spells and hot weather, to maintain its lush appearance and promote flowering.
Prune back Chelone obliqua stems to about 10-15 cm in late winter or early spring before new growth emerges. This encourages bushier growth and a more compact plant.
Deadheading spent flowers can prevent seed formation and may encourage a second flush of blooms.
Chelone obliqua can be propagated by division of established clumps in early spring. Carefully separate sections of the plant, ensuring each division has roots and shoots.
It can also be grown from seed sown in autumn or early spring, though seedlings may take longer to establish.
Repotting is primarily for young plants or when divisions are made. Choose a pot with good drainage. Use a well-draining potting mix. Repot in spring before new growth begins.
Mature plants generally thrive when left undisturbed in their garden beds for many years.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Red Turtlehead (Chelone obliqua)
Where Red Turtlehead (Chelone obliqua) is found
Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Plantaginaceae |
| Genus | Chelone |
| Species | Chelone obliqua |
Similar in genus Chelone
Answers based on plant encyclopedia data
