As Seen On Dragons' Den! Use Code 'DRAGONS' For 10% Off Your First Order!
Back
Allium sphaerocephalon
Allium sphaerocephalon
Allium sphaerocephalon
Allium sphaerocephalon

Allium sphaerocephalon

TAXONOMY

FamilyAmaryllidaceae
GenusAllium
Zone4

ABOUT

Allium sphaerocephalon, commonly known as the round-headed leek or drumstick allium, is a bulbous perennial plant in the Amaryllidaceae family. Native to Europe, it is known for its striking, spherical flower heads that bloom in shades of purple and green. This plant is well-suited to temperate climates and typically enters a dormancy period during the winter months.

ALSO KNOWN AS

Porrum Sphaerocephalum
Porrum Sphaerocephaluon
Round-Headed Leek
Allium arvense subsp. aestivum
Allium arvense var. tenuiflorum
Allium atroviolaceum
Allium cornutum
Allium lineare
Allium margaritaceum var. robustum
Allium parviflorum
Allium purpureum
Allium rotundum var. bosniacum
Allium sardoum var. gherardii
Allium sphaerocephalon subsp. descendens
Allium sphaerocephalon var. approximatum
Allium sphaerocephalon var. bosniacum
Allium sphaerocephalon var. crinitum
Allium sphaerocephalon var. descendens
Allium sphaerocephalon var. purpureum
Allium tenuiflorum
Allium veronense

OVERVIEW

WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
Dormancy3 Months
pH6.5
Pressure1,013 mbar

WANT MORE TIPS?

DETAILS

Care Instructions
Allium sphaerocephalon thrives in full sun and prefers moderate temperatures. It requires well-drained soil and should be watered sparingly, allowing the soil to dry out between waterings. This plant does well in average humidity and does not require high humidity levels.
Soil
This plant prefers well-drained loamy soil. It can tolerate a range of soil types but performs best in soil that is not too rich in nutrients. Good drainage is essential to prevent bulb rot.
Fertilizer
Fertilize Allium sphaerocephalon with a balanced fertilizer, such as 5-10-10, in early spring as new growth begins. Avoid over-fertilizing, as this can lead to weak growth.
Repotting
Repotting is generally not necessary for Allium sphaerocephalon, as it is typically grown outdoors. However, if grown in containers, repot every 2-3 years to refresh the soil and provide more space for bulb growth.
Propagation
Propagate Allium sphaerocephalon by dividing the bulbs in the fall after the foliage has died back. Replant the divided bulbs immediately in well-drained soil.
Pruning
Pruning is not required for Allium sphaerocephalon. Simply remove spent flower heads and dead foliage to keep the plant looking tidy.
Toxicity
Allium sphaerocephalon is not toxic to pets or humans. However, as with all Allium species, it is best to avoid ingestion by pets, as it can cause mild gastrointestinal upset.
Additional
Allium sphaerocephalon is a low-maintenance plant that is resistant to deer and rabbits. It is also attractive to pollinators, making it a great addition to any garden.
REVOLUTIONIZE YOUR PLANT CARE
Make Every Plant Smart
Plant Monitor

Plant Monitor

STAYS IN YOUR PLANT

Accurately measures the core metrics of your plant – soil moisture, light, temperature and humidity - as well as compound metrics such as Vapor Pressure Deficit (VPD) and Growing Degree Days (GDD).

Shop Now
Mobile App

Mobile App

DOWNLOAD ON YOUR DEVICE

Evaluates your plants' data, current weather, seasonality and more to precisely notify you about your plants needs. The app also comes loaded with many extra features to ensure your plants flourish.

newsletter background

Join Our Growing Community

Join for 10% off your first purchase, exclusive offers, better plant care, and more