• Butterbur (Petasites hybridus) herb plant featuring large umbrella-shaped green leaves and clusters of pinkish-purple spring flowers.
  • Butterbur (Petasites hybridus) herb plant featuring large umbrella-shaped green leaves and clusters of pinkish-purple spring flowers.
  • Butterbur (Petasites hybridus) herb plant featuring large umbrella-shaped green leaves and clusters of pinkish-purple spring flowers.
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Eden Valley Seeds

Butterbur (Petasites hybridus) Medicinal Herb Seeds for Garden Growing

Butterbur (Petasites hybridus) Medicinal Herb Seeds for Garden Growing

€17,95 EUR
€17,95 EUR
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Key Features

  • Distinctive Perennial Herb: Butterbur is a vigorous perennial plant known for its impressive foliage and spreading growth habit.

  • Attractive Flowers: Produces clusters of small pinkish-purple flowers during early spring, often before the leaves appear.

  • Large Decorative Leaves: Features enormous, rounded, umbrella-like green leaves that create a lush garden appearance.

  • Moisture-Loving Plant: Grows naturally in damp environments, making it suitable for pond edges and wet garden areas.

  • Wildlife-Friendly Flowers: Early-season blossoms provide a nectar source for bees and other pollinating insects.

Growing Benefits

  • Garden Beauty: Adds dramatic foliage and natural greenery to shaded garden landscapes.

  • Wildlife Support: Early flowers offer seasonal nectar for visiting pollinators.

  • Natural Ground Cover: Spreading foliage helps cover suitable moist garden spaces.

  • Low Maintenance: Established plants generally require limited attention when grown in suitable conditions.

  • Landscape Interest: Creates a distinctive woodland-inspired appearance around ponds and damp areas.

Seed Specifications

  • Common Name: Butterbur, Bog Rhubarb, Pestilence Wort

  • Botanical Name: Petasites hybridus

  • Plant Type: Herbaceous perennial flowering plant

  • Colors: Green foliage with pink, rose, purple, or purplish-white flowers

  • Height: Approximately one meter under suitable growing conditions; foliage can spread considerably.

  • Sunlight: Partial shade to full shade; tolerates some sunlight with sufficient moisture.

  • Soil: Deep, fertile, humus-rich, moisture-retentive soil.

  • Water: Consistently moist to wet soil.

  • Germination Time: Variable; a precise germination period is not reliably established.

  • Sowing Depth: Surface sow or cover very lightly with fine growing medium.

  • Spacing: Allow generous growing space because mature plants spread vigorously through underground rhizomes.

  • Growing Zones: Generally suitable for USDA hardiness zones four through eight.

  • Flowering/Maturity: Flowers generally appear in late winter or early spring, before the large leaves develop.

  • Uses: Ornamental planting, damp landscape areas, woodland gardens, and pollinator-friendly planting.

Growing Tips

  • Choose a naturally moist location with partial or full shade for healthy development.

  • Keep the growing medium consistently moist during seed germination and early growth.

  • Provide fertile, humus-rich soil to support strong root and foliage development.

  • Control spreading rhizomes regularly to prevent the plant from overtaking neighboring garden areas.

Seed Storage

Store Butterbur seeds in a cool, dry location away from direct sunlight and moisture. Keep them in a sealed, clearly labeled seed packet or airtight container. Avoid excessive heat and humidity, and follow any supplier-specific storage instructions to help maintain seed quality.

Unique Facts About Butterbur Seeds

  • Butterbur belongs to the Asteraceae family, which also includes daisies and sunflowers.

  • Its flowers commonly emerge before its large leaves develop in spring.

  • Its enormous rounded leaves resemble umbrellas, inspiring its common name.

  • Butterbur is a dioecious plant, meaning male and female flowers occur on separate plants.

Growing Instructions

Planting Season

Sow fresh seeds when available, preferably in autumn or early spring. Cool, protected sowing conditions are suitable for starting Butterbur seeds.

Sowing Instructions

Use a seed tray or small pots filled with fine, moist seed-starting compost. Scatter the seeds across the surface and press them gently into the growing medium.

Sowing Depth

Butterbur seeds should be surface sown or covered with only a very thin layer of fine compost. Avoid burying them deeply.

Spacing

Initially sow seeds thinly in trays. Once seedlings are established, transplant them with generous room for development. Remember that mature Butterbur spreads through underground rhizomes.

Sunlight Requirements

Choose a partially shaded or shaded location. The plant can tolerate some sunlight when the soil remains sufficiently moist.

Soil Requirements

Use fertile, humus-rich soil that retains moisture. Butterbur performs particularly well in damp garden areas and suitable waterside locations.

Watering

Keep the soil consistently moist throughout germination and early establishment. Established plants prefer damp conditions and should not be allowed to dry out completely.

Germination

Germination can be variable. Maintain consistent moisture and suitable cool growing conditions. Avoid allowing the seed-starting medium to dry out.

Transplanting

When seedlings are large enough to handle, carefully transfer them into individual pots. Grow them until established before moving them to their permanent growing location.

Fertilizing

Prepare the planting area with mature organic compost to improve soil fertility. Additional feeding is generally unnecessary in naturally fertile soil.

Plant Care

Remove damaged foliage when necessary and monitor the plant's spreading growth. Use root barriers or contained planting areas to manage its vigorous rhizomes.

Flowering and Maturity

Butterbur typically produces pinkish-purple flower clusters in late winter or early spring, followed by its distinctive large leaves. Flowering time and plant development depend on climate and growing conditions.

Important Safety Note: Butterbur is known to contain naturally occurring pyrrolizidine alkaloids, which can cause serious liver damage. Never consume the seeds, leaves, roots, homemade preparations, or unprocessed plant extracts. Growing this plant for ornamental or botanical interest does not make it safe for medicinal use.