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Description
Pulsatilla Halleri Subsp. Halleri, commonly known as Haller’s Pasqueflower, is a perennial plant that belongs to the family Ranunculaceae. It is native to the European Alps and grows in rocky and dry habitats. The plant has a small stature, growing up to 10-15 cm tall, and blooms in late spring to early summer with showy, violet-purple flowers. The flowers are followed by attractive, feathery seed heads that persist into the fall.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Magnoliophyta |
| Class | Magnoliopsida |
| Order | Ranunculales |
| Family | Ranunculaceae |
| Genus | Pulsatilla |
| Species | Halleri |
| Subspecies | Halleri |
Appearance
The Pulsatilla Halleri Subsp. Halleri has basal leaves that are deeply divided into narrow segments. The leaves are green and hairy, giving them a soft texture. The flowers are a vibrant purple and are about 4-6 cm in diameter. They have a cup-shaped appearance with six petals and a prominent center of yellow stamens. The fruit is a cluster of hairy achenes that have a feathery appearance. The plant has a short lifespan, lasting only a few years.
Care Guide
The Pulsatilla Halleri Subsp. Halleri is a low maintenance plant that is easy to care for. It prefers well-draining soil that is slightly acidic and sandy. It requires full sun to partial shade and is tolerant of drought conditions. It is hardy in USDA zones 4-8. Water the plant regularly, but do not overwater as it can be susceptible to root rot. Fertilization is not necessary as it can cause the plant to become leggy and weak.
Common Pests & Diseases
The Pulsatilla Halleri Subsp. Halleri is generally pest and disease-free. However, it can be susceptible to fungal diseases such as powdery mildew and verticillium wilt. These diseases can be prevented by providing good air circulation around the plant and avoiding overhead watering. Pests such as aphids and slugs can also infest the plant, but can be controlled by using insecticidal soap or handpicking.
Habitat
The Pulsatilla Halleri Subsp. Halleri is native to the European Alps and grows in rocky and dry habitats. It can be found at elevations of up to 2,500 meters. The plant prefers well-draining soil and is often found growing in exposed areas such as rocky slopes and meadows.
Question and Answer
Q: Can the Pulsatilla Halleri Subsp. Halleri be propagated by seed?
A: Yes, the plant can be propagated by seed. It is best to sow the seeds in the fall in a well-draining soil mix.
Q: Is the Pulsatilla Halleri Subsp. Halleri poisonous?
A: Yes, the plant is toxic if ingested. It can cause gastrointestinal irritation and vomiting.
Q: Is the Pulsatilla Halleri Subsp. Halleri deer resistant?
A: Yes, the plant is deer resistant.
Q: Can the Pulsatilla Halleri Subsp. Halleri be grown in containers?
A: Yes, the plant can be grown in containers as long as they have good drainage and are kept in a sunny location.
Related Plants
- Pulsatilla Vulgaris
- Pulsatilla Montana
- Pulsatilla Patens
References
- “Pulsatilla halleri subsp. halleri.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c349.
- “Pulsatilla halleri subsp. halleri.” Plants of the World Online, plants.jstor.org/compilation/pulsatilla.halleri.subsp.halleri.
- “Pulsatilla halleri subsp. halleri.” Royal Horticultural Society, www.rhs.org.uk/Plants/272103/Pulsatilla-halleri-subsp-halleri/Details.
