Water
Water regularly, keeping the soil consistently moist but not waterlogged. Allow the top few centimeters of soil to dry out slightly between waterings, especially during hot weather.
Reduce watering in cooler months to prevent root rot.
Also known as Aphid Trap · Common Devil's Claw · Common Devilsclaw
Ram's Horn (Proboscidea louisianica) is an annual with large, sticky leaves and striking, curved, horn-like seed pods, native to North America.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun
100% intensity
Prefers at least 6-8 hours of direct sunlight per day.
Consistent Moisture
50% intensity
Keep soil evenly moist but avoid waterlogging.
Well-drained
50% intensity
Warm
75% intensity
Thrives in temperatures between 20-30°C. Protect from frost.
Moderate
50% intensity
Feed with a balanced liquid fertilizer during the growing season.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
Non-toxic
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water regularly, keeping the soil consistently moist but not waterlogged. Allow the top few centimeters of soil to dry out slightly between waterings, especially during hot weather.
Reduce watering in cooler months to prevent root rot.
Pruning is generally not required for Proboscidea louisianica as it is an annual. If removing spent flower stalks is desired for aesthetic reasons, cut them back to the base of the plant.
This can also help prevent self-seeding if not desired.
Propagate Proboscidea louisianica from seed. Seeds can be sown directly outdoors in spring after the last frost, or started indoors a few weeks prior.
Scarification or soaking seeds before planting can improve germination rates.
Repotting is not typically necessary as Proboscidea louisianica is an annual plant that completes its life cycle within one growing season. If growing in containers and seeking to extend its presence, transplanting young seedlings into larger pots is an option.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Ram's Horn (Proboscidea louisianica)
Where Ram's Horn (Proboscidea louisianica) 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 | Martyniaceae |
| Genus | Proboscidea |
| Species | Proboscidea louisianica |
Similar in genus Proboscidea
Answers based on plant encyclopedia data
