Description
Quarantine Note: Due to quarantine restrictions, Allium bulbs cannot be sent to Tasmania.
Allium Drumstick (Allium sphaerocephalon)
Allium Drumstick, or Allium sphaerocephalon, is one of the tallest alliums and a striking perennial from the Amaryllidaceae family, known for its unique drumstick-shaped flower heads. Native to Europe, North Africa, and Western Asia, this ornamental onion blooms from spring to summer, adding texture, movement, and elegance to any garden.
Appearance
Slender stems are topped with spherical flower heads packed with rich burgundy or purple blooms. Blue-grey or green strappy leaves emerge in early spring, forming neat clumps before fading as the flowers take centre stage, creating a dynamic focal point.
Growing Conditions
Allium thrives in full sun and well-drained soil. These resilient bulbs withstand cold winters and prefer a near-neutral pH. Once established, they are low-maintenance and drought-tolerant, ideal for sunny, dry locations. Alliums can be grown in almost all climates, from cool to subtropical, flourishing in borders, rock gardens, or containers.
Benefits of Growing Alliums
Allium Drumstick offers numerous advantages for gardeners. They are low-maintenance and drought-tolerant once established, making them perfect for mass planting. Their ability to naturally deter pests like deer, rabbits, and rodents makes them excellent companions for enhancing the health of surrounding flora. Long-lasting blooms attract beneficial pollinators like bees and butterflies, promoting biodiversity in your garden.
Companion Planting
To control multiplication, plant Alliums in designated areas like borders or rockeries, where their slow spreading can be managed alongside other plants. They naturalise gradually, making them suitable for smaller spaces. Raised beds offer good drainage and help contain their growth.
Planting Time
Plant the bulbs from April to June across all climates. In cooler regions, earlier planting is preferable to ensure the bulbs experience sufficient cold for dormancy, resulting in strong spring blooms. For warmer climates, wait until the ground cools after summer heat for optimal establishment.
What to Do When Your Allium Bulbs Arrive
Upon receiving Allium bulbs, plant immediately or when appropriate within the planting season. If immediate planting isn’t possible, store them in a cool, dry, well-ventilated space, away from direct sunlight and moisture. Use a breathable container like a mesh bag to ensure good air circulation.
Complete Planting Guide for Alliums
- Choosing the Right Spot: Alliums thrive in full sun with well-draining soil. Raised beds are ideal for preventing waterlogging.
- Soil Preparation: Mix a small amount of complete granular fertiliser or well-broken-down manure into the soil before planting to enhance nutrient availability.
- Planting Depth and Spacing: Plant bulbs 8-10 cm deep, spacing small varieties about 10 cm apart and larger ones 15-20 cm apart.
- Watering: Water well after planting and during the bloom period. Reduce watering after flowering to prevent bulb rot.
- Fertilising: As buds develop, apply a complete fertiliser to support growth.
- Mulching: Apply mulch to retain moisture, suppress weeds, and regulate soil temperature.
Aftercare for Alliums
- Post-Bloom Care: Remove spent flowers to help bulbs store energy. Allow foliage to die back naturally, storing energy for the next growing season.
- Dividing and Lifting: Alliums can be left undisturbed for years but lift and divide if overcrowded after flowering. Store in a cool, dry location before replanting in autumn.
Pest and Disease Management
Alliums are generally pest-resistant, but slugs and snails may occasionally appear. Use barriers like diatomaceous earth to deter them. Ensure well-drained soil to prevent bulb rot.
Safety Considerations
While Alliums are non-toxic to humans and pets, caution is advised, as ingestion can cause discomfort. Keep bulbs out of reach, and wear gloves when handling.
Supplied as dormant bulbs.