Larkspurleaf monkshood (Aconitum delphinifolium)
Care, watering, light and tips for Larkspurleaf monkshood on Floravia.
Quick facts
- Family: Ranunculaceae
- Difficulty: Demanding
- Watering: every 7 days
- Light: Partial shade
- Temperature: 10–30 °C
- Toxicity: Toxic to pets
About Larkspurleaf monkshood
Aconitum delphinifolium, commonly known as mountain monkshood, is a striking perennial native to alpine regions of North America. Its distinctive helmet-shaped, blue-purple flowers are borne in tall, upright spikes, creating a visual spectacle in rock gardens or partial shade borders. It's an excellent choice for cool-climate gardens and high visual impact.
Native range
North America (Alaska and Yukon), Asia (Siberia and Russian Far East)
Care tips
It prefers partial shade or filtered sun and consistently moist but well-drained soils rich in organic matter. Keep the soil evenly moist, avoiding both waterlogging and extreme dryness. A common mistake is planting it in dry soil or full sun, which can lead to leaf scorch and poor flowering. Be aware that all parts of this plant are highly toxic if ingested, so handle with caution and keep out of reach of children and pets.
How to save a dying Larkspurleaf monkshood
- Warning signs
- Yellowing or wilting leaves, soft stems. May indicate overwatering or root rot.
- First aid
- Check drainage. If waterlogged, remove plant, trim rotten roots, repot in dry, well-draining substrate.
- What kills it
- Waterlogging is its worst enemy, quickly causing root rot. Also extreme heat and prolonged drought.
- Can it be saved?
- Yes, if you act quickly against waterlogging. Once rot is advanced, recovery is difficult.