Allium giganteum
TAXONOMY
FamilyAmaryllidaceae
GenusAllium
Zone5
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Allium giganteum, commonly known as giant onion, is a bulbous geophyte in the Amaryllidaceae family. Native to Central and Southwestern Asia, it is known for its large, spherical flower heads composed of numerous small star-shaped flowers. The plant prefers temperate climates and goes through a dormancy period during the winter months.
ALSO KNOWN AS
Giant Onion
Allium procerum
OVERVIEW
VPDCalculate
WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
Dormancy3 Months
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
Allium giganteum requires bright, direct sunlight for optimal growth. It thrives in moderate temperatures and prefers a temperate climate. The plant should be watered sparingly, allowing the soil to dry out almost completely between waterings. It does well in moderate humidity levels.Soil
The plant prefers well-draining loamy soil with a slightly acidic to neutral pH. Good drainage is essential to prevent bulb rot. A mix of garden soil with some sand and organic matter works well.Fertilizer
A balanced fertilizer with a nutrient composition of 5-10-10 should be applied during the growing season. Fertilize once a month to support healthy growth and flowering.Repotting
Repotting is generally not necessary for Allium giganteum 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. Ensure the new pot has good drainage.Propagation
Propagation is usually done through bulb division. Divide the bulbs in the fall after the foliage has died back. Replant the divided bulbs at the same depth as the original.Pruning
Pruning is not required for Allium giganteum. However, you can remove spent flower heads to prevent self-seeding and to maintain a tidy appearance.Toxicity
Allium giganteum is generally non-toxic to pets and humans. However, ingestion of large quantities of any Allium species can cause gastrointestinal upset in pets.REVOLUTIONIZE YOUR PLANT CARE
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