• Chinese aconite (Aconitum carmichaelii) with tall stems of deep blue-violet hood-shaped flowers and dark green divided foliage in a perennial garden.
  • Chinese aconite (Aconitum carmichaelii) with tall stems of deep blue-violet hood-shaped flowers and dark green divided foliage in a perennial garden.
  • Chinese aconite (Aconitum carmichaelii) with tall stems of deep blue-violet hood-shaped flowers and dark green divided foliage in a perennial garden.
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Eden Valley Seeds

Chinese Aconite Seeds – Aconitum carmichaelii Blue Purple Ornamental Flower

Chinese Aconite Seeds – Aconitum carmichaelii Blue Purple Ornamental Flower

$16.99 USD
$16.99 USD
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Key Features

  • Plant Variety: Chinese Aconite, also known as Carmichael’s Monkshood.

  • Flower Color: Typically produces deep blue to violet flowers.

  • Plant Characteristics: Upright perennial with divided green foliage and distinctive hood-shaped blossoms.

  • Garden Uses: Suitable for ornamental borders and cottage-style gardens where growing conditions are appropriate.

  • Unique Appearance: Tall flower spikes bring vertical interest and rich color to late-season gardens.

Important safety warning: All parts of Aconitum carmichaelii are highly poisonous if swallowed. Handle carefully, wear gloves, and keep seeds and plants away from children and pets.

Growing Benefits

  • Adds rich blue-violet color to cottage gardens and perennial borders.

  • Creates vertical interest with tall stems and distinctive hood-shaped flowers.

  • Provides late-season blooms when many summer flowers begin to fade.

  • Complements shade-tolerant perennials in cool, moisture-retentive garden settings.

  • Offers an unusual ornamental plant for experienced gardeners seeking distinctive flowers.

Seed Specifications

  • Common Name: Chinese Aconite, Carmichael’s Monkshood, Chinese Monkshood

  • Botanical Name: Aconitum carmichaelii

  • Plant Type: Herbaceous perennial

  • Colors: Blue-violet to deep purple flowers; dark green foliage.

  • Height: Commonly around four to six feet, depending on growing conditions and variety.

  • Sunlight: Partial shade; full sun may work in cooler climates with consistently moist soil.

  • Soil: Fertile, humus-rich, moisture-retentive but well-drained soil.

  • Water: Regular moisture; avoid allowing the soil to dry out completely.

  • Germination Time: Variable and potentially slow because seeds may require warm and cold stratification.

  • Sowing Depth: Cover lightly with fine seed-starting medium.

  • Spacing: Allow approximately two feet between established plants, adjusting for variety and mature size.

  • Growing Zones: Generally suited to cooler temperate climates; hardiness depends on the cultivar and local conditions.

  • Flowering/Maturity: Typically flowers in late summer to autumn; seed-grown plants may take several growing seasons to flower.

  • Uses: Ornamental borders, cottage gardens, woodland-style plantings, and cut-flower displays where safe handling is possible.

All parts of this plant are highly poisonous. Wear protective gloves when handling seeds or plants, avoid touching your face, and keep them away from children and pets.

Growing Tips

  • Wear gloves when handling seeds, seedlings, and mature plants because all parts are poisonous.

  • Maintain consistent soil moisture while ensuring excess water drains freely.

  • Provide partial shade and protect plants from excessive heat in warm climates.

  • Be patient with germination, as seeds may need alternating warm and cold conditions.

Seed Storage

Store seeds in a clearly labeled, sealed packet in a cool, dry place away from direct sunlight and humidity. Keep them inaccessible to children and pets because the seeds are toxic. Follow the supplier’s storage recommendations for best results.

Unique Facts About Chinese Aconite Seeds

  • Distinctive flower shape: The flowers have helmet-like upper sepals, giving the plant its common name, monkshood.

  • Late-season beauty: Blue-violet flower spikes typically appear in late summer or autumn, bringing color to perennial borders.

  • Cold treatment may help: Seeds often benefit from a period of warm conditioning followed by cold stratification to overcome dormancy.

  • Highly toxic plant: The plant contains potent alkaloids, and all parts can cause serious poisoning if ingested

Growing Instructions

Planting Season

Start seeds when you can provide controlled temperatures and the necessary stratification period. Autumn sowing in a protected outdoor seedbed or spring sowing after appropriate pretreatment can be suitable, depending on your climate.

Seed Preparation and Sowing

Use a clean seed tray filled with a moist, well-draining seed-starting mix. Sow the seeds on the surface and cover them lightly. Chinese aconite seeds can have deep dormancy, so germination may be irregular without appropriate pretreatment.

Depth and Spacing

Cover seeds lightly rather than burying them deeply. Sow them with enough room for seedlings to develop, then transplant established seedlings into individual pots. When planting outdoors, allow adequate space for mature plants to grow without overcrowding.

Sunlight and Soil

Choose a location with partial shade and fertile, humus-rich soil. The soil should retain moisture without becoming waterlogged. In cooler climates, plants may tolerate more direct sunlight if their roots remain consistently moist.

Watering and Germination

Keep the growing medium evenly moist throughout germination. Avoid both prolonged dryness and saturated conditions. Germination may take several weeks or considerably longer, depending on seed freshness, dormancy, and temperature.

For dormant seeds, a warm period followed by several weeks of cold stratification may help encourage germination. Follow the seed supplier’s specific instructions where available.

Transplanting

Once seedlings are sufficiently developed to handle, transplant them carefully into individual pots. Grow them in a sheltered location until they are established, then plant them outdoors during suitable weather. Wear gloves and avoid direct contact with plant sap.

Fertilizing and Ongoing Care

Incorporate mature organic matter into the soil before planting. During active growth, apply a balanced garden fertilizer according to its label if needed. Maintain consistent moisture, mulch to help keep roots cool, and provide support if tall stems become unstable. Handle pruning and plant waste with protective gloves.

Flowering and Maturity

Established plants generally flower in late summer or autumn, producing upright clusters of blue-violet, hood-shaped blooms. Plants grown from seed may require several growing seasons before flowering. Remove dead stems carefully after flowering, and dispose of plant material safely.

Safety Reminder: Chinese aconite is highly toxic and is not suitable for gardens where children or pets may chew or handle plants. Never use it as an edible, medicinal, or culinary plant.