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Dracunculus vulgaris
dragon arum
Dracunculus vulgaris
Dracunculus vulgaris, also known as the Dragon Arum or Voodoo Lily, is a striking aroid known for its large, deep purple-red spathe and spadix that emits a foul odor to attract pollinators (flies). The odor is temporary, lasting only a day or two. Despite the smell, it's a popular ornamental plant due to its unique appearance. After the bloom fades, an attractive cluster of orange-red berries develops. It goes dormant in summer after the foliage dies back, reappearing in the fall.
CategoryDetails
Plant TypePerennial plant
Duration to maturity6 months to harvest
Estimated Plant Lifespan10 years lifespan
Toxic to humansToxic to humans
ToxicityToxic to: Dogs, Cats
Sun Requirements2-4 hours direct sunlight (Partial Shade)
Pollination

Method: animal

Notes: Pollinated by flies attracted to the foul odor emitted by the spadix.

Watering Requirements

Method: Top watering

Frequency: Water regularly during the growing season, keeping the soil moist but not waterlogged. Allow the soil to dry out slightly between waterings. Reduce watering after flowering and during dormancy.

Notes: Avoid overwatering, as this can lead to root rot.

Humidity Requirements

Level: moderate

Cleaning RequirementsCut back the foliage after it dies back in summer. Mulch around the base of the plant in winter to protect from frost in colder climates.
Temperature Range

Min: -10°C

Max: 35°C

Alternative NamesDragon Lily, common dracunculus, voodoo lily
Euphorbia characias wulfenii
Wulfen spurge
Euphorbia characias wulfenii
Both enjoy similar well-drained soil and sun conditions, and the contrasting foliage textures and bloom times create visual interest. The spurge also fills in the space left by the dormant dragon arum in summer.
Salvia officinalis
garden sage
Salvia officinalis
Sage enjoys similar sun and soil conditions, and its grayish foliage contrasts nicely with the dragon arum's large, glossy leaves. Sage also attracts beneficial pollinators, which can help offset the flies attracted to the dragon arum.
Acanthus mollis
Bear's breeches
Acanthus mollis

Both plants have large, spreading root systems and similar growing requirements, leading to competition for resources, especially in smaller spaces. Acanthus can be quite aggressive and may overshadow the Dragon Arum.

Slugs and Snails

These pests are attracted to the foliage of Dracunculus vulgaris and can cause significant damage by chewing holes in the leaves.

Aphids

Aphids can infest the plant, sucking sap and weakening it. They can also transmit diseases.

Steps:

    • Carefully dig up the offsets (small bulbs) that grow around the main corm in the fall or early spring.
    • Replant the offsets in well-drained soil in a suitable location.
    • Water well and keep the soil moist until established.
    • Sow fresh seeds in the fall in well-drained seed compost.
    • Keep the compost moist but not waterlogged.
    • Germination can be slow and erratic.

Neem Oil

Effective against aphids and other pests.

Iron Phosphate Slug Bait

Controls slugs and snails without harming other wildlife.

Bone Meal

Provides phosphorus for healthy root development.