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How to Grow and Care for Oneleaf onion

Oneleaf onion, also known as American garlic

Oneleaf onion is recognized for its low maintenance requirements, making it suitable for gardeners of all levels. It thrives in well-draining soil and needs full to partial sunlight for optimal growth. A key special care point for oneleaf onion is to ensure moderate watering, avoiding both waterlogged conditions that can cause bulb rot and excessively dry soil that can stress the plant. During its dormancy after flowering, reduce watering significantly.

Watering schedule: Every week

Sunlight Requirements: Full sun

In This Article

Planting and Growing Oneleaf onion

Toughness	High
Care Level	Medium
Care Difficulty	Easy
Lifespan	Perennial
Watering Schedule	Every week
Sunlight Requirements	Full sun
Soil Type	Garden Soil
Soil pH	6-7
Planting Time	Early spring, Mid spring, Fall
Hardiness Zones	7-10

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Varieties of Oneleaf onion

Oneleaf onion 'Eros'

Named after the Greek god of love, this Oneleaf onion cultivar, oneleaf onion 'Eros', is undoubtedly a great option to add a bit of romance to a garden. It produces clusters of pinkish-lilac flowers, different from the parent plant which blooms in rose pinks. Gardeners like this cultivar as it blooms in late spring when few other colorful flowers are in bloom.

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More General Info About Oneleaf onion

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Oneleaf onion is distinguished by its clumps of grass-like, slightly flattened leaves, typically 16 inches (40 cm) in height, with the possibility of 2 to 4 leaves per cluster. From late spring to mid-summer, it boasts taller stalks that culminate in an umbel consisting of numerous 1/2 inch (1.3 cm) long lavender-pink flowers. Its blooms possess distinctive papery tepals that encase the fruit, contributing to an extended period of visual interest. The leaves and flowers emerge on separate stalks, each making a distinct vertical element.