Pulsatilla

Description

Pulsatilla is a genus of perennial flowering plants in the Ranunculaceae family. Native to the temperate regions of Europe, Asia, and North America, Pulsatilla is known for its striking, bell-shaped flowers that bloom in a range of colors from white to purple. The plants grow from a basal rosette of finely divided leaves, and the flowers are often followed by fluffy, seed-bearing structures known as achenes.

Taxonomic Information

Appearance

Pulsatilla plants typically grow to be between 6 and 12 inches tall, with a spread of up to 18 inches. The leaves are finely divided and fern-like, forming a basal rosette that stays close to the ground. The flowers are borne on long, hairy stems that rise above the leaves. Each flower has 6 petals that form a bell shape, with a prominent central cone of yellow stamens. Pulsatilla flowers come in a range of colors, from white to purple, with some varieties having bicolor or multicolored petals.

Care Guide

Water

Pulsatilla plants prefer well-draining soil that is kept evenly moist but not waterlogged. Water deeply once a week during the growing season, but reduce watering in the winter when the plants are dormant.

Fertilization

Pulsatilla plants do not require fertilization, as they are adapted to grow in nutrient-poor soil. However, you can apply a slow-release, balanced fertilizer in the spring if you want to encourage more vigorous growth.

Soil

Pulsatilla plants require well-draining soil that is rich in organic matter. A sandy loam soil is ideal, but you can amend heavier soils with compost or sand to improve drainage.

Sunlight

Pulsatilla plants prefer full sun to partial shade. In hot, dry climates, they may benefit from some afternoon shade to prevent wilting.

Hardiness Zones

Pulsatilla plants are hardy in USDA zones 3 to 8.

Common Pests & Diseases

Pulsatilla plants are generally healthy and resistant to pests and diseases. However, they may be susceptible to root rot in poorly draining soil or during periods of heavy rain. Overwatering can also lead to fungal diseases. Aphids and slugs may occasionally feed on the leaves and flowers, but can be controlled with insecticidal soap or diatomaceous earth.

Habitat

Pulsatilla plants are native to temperate regions of Europe, Asia, and North America, where they grow in dry, rocky meadows and open woodlands. They are adapted to grow in poor, well-draining soil with full sun to partial shade.

Question and Answer

Q: Can Pulsatilla plants be grown in containers?

A: Yes, Pulsatilla plants can be grown in containers as long as the soil is well-draining and the container has drainage holes.

Q: How do I propagate Pulsatilla plants?

A: Pulsatilla plants can be propagated by seed or by division. Seeds should be planted in the fall and require a period of cold stratification before they will germinate. Divisions can be taken in the spring or fall, and should be planted into well-draining soil with full sun to partial shade.

Q: How long do Pulsatilla flowers last?

A: Pulsatilla flowers typically last for several weeks in the spring, depending on the variety and growing conditions.

Q: Are Pulsatilla plants toxic?

A: Pulsatilla plants contain toxic compounds that can cause skin irritation or gastrointestinal upset if ingested. Keep them away from children and pets.

Related Plants

• Anemone
• Aquilegia
• Cimicifuga
• Hepatica
• Ranunculus

References

• “Pulsatilla vulgaris.” Missouri Botanical Garden. Accessed 15 August 2021. <http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c328>.
• “Pulsatilla.” Royal Horticultural Society. Accessed 15 August 2021. <https://www.rhs.org.uk/plants/search-results?form-mode=true&query=Pulsatilla>.
• “Pulsatilla.” The Spruce. Accessed 15 August 2021. <https://www.thespruce.com/growing-pulsatilla-plant-4153867>.