Allium unifolium
TAXONOMY
FamilyAmaryllidaceae
GenusAllium
Zone6
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Plants of the World OnlineABOUT
Allium unifolium, commonly known as One-leaf Onion or Single-leaf Onion, is a perennial bulbous plant native to the western United States. It belongs to the Amaryllidaceae family and is known for its attractive clusters of pink to lavender flowers. The plant typically goes dormant in the summer after flowering.
ALSO KNOWN AS
Oneleaf Onion
Allium grandisceptrum
Allium unifolium
Allium unifolium var. lacteum
OVERVIEW
VPDCalculate
WaterMoist
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
Dormancy3 Months
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
Allium unifolium thrives in bright, direct sunlight and prefers moderate temperatures. It requires a moderate level of humidity and should be watered when the soil partially dries out. The plant is relatively easy to care for and does not require frequent attention.Soil
Allium unifolium prefers well-draining loam soil. It can tolerate a range of soil types but performs best in soil that retains some moisture without becoming waterlogged. Good drainage is essential to prevent bulb rot.Fertilizer
Use a balanced fertilizer with a nutrient composition of 5-10-10. Fertilize the plant in early spring before the growing season begins. Avoid over-fertilizing, as this can lead to excessive foliage growth at the expense of flowers.Repotting
Repot Allium unifolium bulbs every 2-3 years to refresh the soil and provide more space for growth. Repot in the fall after the plant has gone dormant. Carefully lift the bulbs, separate any offsets, and replant them in fresh soil.Propagation
Propagate Allium unifolium by dividing the bulbs in the fall. Gently separate the offsets from the parent bulb and plant them in well-draining soil. Ensure the bulbs are planted at the correct depth, with the pointed end facing upwards.Pruning
Pruning is not typically required for Allium unifolium. Remove spent flower heads to encourage the plant to focus energy on bulb development. Trim back any dead or yellowing foliage after the plant has gone dormant.Toxicity
Allium unifolium is not considered 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 unifolium is a great addition to rock gardens, borders, and naturalized areas. It attracts pollinators such as bees and butterflies, making it beneficial for the garden ecosystem. The plant is also deer-resistant, adding to its appeal for gardeners.REVOLUTIONIZE YOUR PLANT CARE
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