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Persian onion
Allium aflatunense is a 36-inch-tall (90 cm) bulbous perennial plant with basal straplike leaves and hollow slightly ribbed scapes (flower stems). The flower heads are dense globular umbels about 10 cm across made up of numerous star-shaped purplish-pink flowers. It flowers in spring and summer with seeds ripening in summer. It is commonly sold as a bulb.
Scientific classification
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Perennial
Lifespan
Herb
Plant Type
Spring, Summer
Bloom Time
90 cm
Plant Height
20 cm
Spread
Green
Leaf Color
Purple, Pink
Flower Color
Spring
Growth Season
Moderate
Growth Rate

Images of Persian onion

Quickly Identify Persian onion

1
Basal rosette of strap-like green leaves, up to 12 inches (30 cm) long.
2
Erect leafless stems, 2-3 feet (60-90 cm) tall, smooth and hollow with distinct ribbing.
3
Striking spherical clusters of small purple star-shaped flowers with onion-like aroma.
4
Flowers in clusters 4-5 inches (10-13 cm) across, vibrant for 2-3 weeks.
5
Distinctive scent resembling garlic or onions, popular cut flower for unique aroma.
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Care Guide for Persian onion

Every week
Water
Full sun
Sunlight
5 - 35 ℃
Ideal Temperature
Water: Persian onion thrives in temperate regions, preferring consistent moisture without over-saturation. Weekly watering is essential for optimal hydration, though adequate rainfall during the growing season may lessen supplemental needs, showcasing its resilience in natural environments.
Fertilize: For optimal growth, persian onion requires balanced fertilizers like a 10-10-10 NPK mix before the growing season. Fertilize monthly during growth at half-rate. Adjust frequency in dormancy and always water after fertilizing to prevent root burn. Proper feeding prevents pests and enhances flowering.
Pruning: Persian onion features vibrant purple blooms and sturdy stems. Prune in early to late spring, removing spent flowers and yellowing leaves to boost growth. Thinning crowded areas enhances air circulation, reducing disease risk, and promoting vigorous displays throughout the season.
Propagation: Propagating persian onion is beginner-friendly, involving the division of mature bulbs post-foliage dieback. Replant bulbs at twice their height in well-draining soil under full sun. Careful handling bolsters success, making it an easy task for home gardeners.
Repotting: Persian onion requires excellent drainage in pots to thrive, ensuring optimal growth and health.
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