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Allium flavum
Allium flavum
Allium flavum
Allium flavum

Allium flavum

TAXONOMY

FamilyAmaryllidaceae
GenusAllium
Zone4

ABOUT

Allium flavum, commonly known as the yellow onion or yellow-flowered garlic, is a bulbous perennial plant in the Amaryllidaceae family. Native to Europe and parts of Asia, it is known for its bright yellow, bell-shaped flowers that bloom in summer. The plant goes through a dormancy period in winter.

ALSO KNOWN AS

Cepa Flava
Yellow Onion
Allium flavum subsp. adriaticum
Allium flavum subsp. valdensium
Allium flavum var. webbii
Allium montanum
Allium pallens
Allium paniculatum
Allium pulchellum var. pallens
Allium pulchellum var. valdensium
Allium valdense
Allium valdensium
Codonoprasum flavum
Kalabotis flavum

OVERVIEW

WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
GDD1,350
Dormancy3 Months
pH6.5
Pressure1,013 mbar

DETAILS

Care Instructions
Allium flavum 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. The plant does well in moderate humidity and can tolerate a range of temperatures, but it prefers a temperate climate.
Harvest
Allium flavum, commonly known as yellow garlic, is typically harvested in late summer when the foliage begins to yellow and die back. To harvest, carefully dig around the plant to avoid damaging the bulbs, then lift them from the soil. Allow the bulbs to cure in a dry, well-ventilated area for a few weeks before storing them in a cool, dry place. Proper curing is essential to ensure the bulbs are dry and to prevent rot during storage.
Soil
This plant prefers well-drained loamy soil. It can tolerate poor soil conditions but thrives best in soil that is not too rich in nutrients. Good drainage is essential to prevent bulb rot.
Fertilizer
Allium flavum benefits from a balanced fertilizer with a nutrient composition of 5-10-10. Fertilize in early spring and again after flowering to promote healthy growth and flowering.
Repotting
Repotting is generally not necessary for Allium flavum as it is typically grown outdoors. However, if grown in containers, repot every 2-3 years in the fall after the foliage has died back. Use a well-draining soil mix and ensure the new pot has adequate drainage holes.
Propagation
Allium flavum can be propagated by dividing the bulbs in the fall or early spring. Carefully separate the offsets from the parent bulb and replant them at the same depth in well-drained soil.
Pruning
Pruning is not required for Allium flavum. However, you can remove spent flower stalks and dead foliage to keep the plant looking tidy and to prevent any potential disease issues.
Toxicity
Allium flavum is not toxic to pets or humans. However, as with all Allium species, it is best to avoid ingestion in large quantities as it can cause mild gastrointestinal upset.
Additional
Allium flavum is a low-maintenance plant that is resistant to deer and rabbits. It is also attractive to pollinators such as bees and butterflies, making it a great addition to a pollinator-friendly garden.
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