Small yellow onion (Allium flavum)

Small yellow onion

Also known as: Yellow onion, Yellow-flowered garlic, Fragrant yellow onion

Small yellow onion is a flowering onion species that grows naturally in various habitats, including arid, rocky areas, and is cultivated as an ornamental for its large, pom-pom flowers. The flowers are a bright shade of yellow and have a pleasant aroma. It frequently features in gravel and rock gardens, as well as borders and beds.

Scientific classification

Species

Small yellow onion (Allium flavum)

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Perennial, Annual, Biennial

Lifespan

Herb

Plant Type

Summer

Bloom Time

35 cm

Plant Height

5 cm

Spread

Green, Gray

Leaf Color

5 cm

Flower Size

Yellow

Flower Color

Green, Yellow

Stem Color

Distribution of Small yellow onion

Distribution Map

Small yellow onion is a plant primarily native to the Temperate zones of Eurasia, from the Mediterranean regions to Central Asia. Over time, it has been successfully introduced and cultivated in various temperate gardens outside its native range, reflecting its adaptability and horticultural interest.

Native

Cultivated

Invasive

Introduced

No species reported

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Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Small yellow onion

Every 1-2 weeks

Water

Full sun

Sunlight

20 - 35 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Originating from rocky slopes, small yellow onion thrives in dry conditions with intermittent moisture. Watering should be moderate, about once every 1-2 weeks, allowing soil to dry. As an outdoor plant in temperate zones, it benefits from rainwater during its active growth cycle.

Fertilize: For optimal growth, small yellow onion requires bi-weekly high-phosphorus and potassium fertilization during the growing season, transitioning to less frequent feeding as dormancy nears. Use half-strength solutions, monitor soil pH and nutrients, and avoid nitrogen-heavy fertilizers. Wear gloves and follow product guidelines for safety.

Pruning: Pruning small yellow onion in early to late spring promotes health and blooms. Remove dead or yellowing leaves for better air circulation and disease prevention. This practice encourages vigorous flowering and enhances overall vitality, ensuring small yellow onion remains visually appealing and prevents overcrowding in garden beds.

Propagation: Small yellow onion is best propagated through division, separating bulb clumps after foliage die-back to ensure healthy growth. Gentle handling and prompt replanting with adequate moisture and spacing maintain its unique characteristics, promoting robust yellow flowers in future seasons.

Repotting: Small yellow onion requires excellent drainage in pots to thrive effectively.

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