Allium fistulosum, commonly known as Welsh Onion, is a hardy perennial herb grown for its mild, onion-flavored green leaves and white bases. It forms clumps and provides
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Sunlight
Full sun to partial shade
Watering
Consistently moist soil
Soil
Well-drained, fertile, loamy soil with a pH of 6.0-7.0.
Temperature
Tolerant, prefers cool to warm
Habitat
Outdoor
Fertilizer
Moderate feeding during growing season
Full sun to partial shade
Consistently moist soil
Well-drained, fertile, loamy soil with a pH of 6.0-7.0.
Tolerant, prefers cool to warm
Outdoor
Moderate feeding during growing season
Plant Type
Herb
Plant Category
Vegetable
Plant Place Type
Garden, Pot, Ground
Plant Environment
Outdoor
Lifespan
Perennials
Plant Height
30-60 cm
Spread
15-30 cm
Growth Rate
Moderate
Dormancy
Semi-dormant in cold winters
Leaf Color
Green
Leaf Type
Hollow, cylindrical
Flower Size
2-5 cm (umbel diameter)
Optimal Sunlight Lux
60000
Toxic for humans
No
Rating: 0/5
Toxic for pets
Yes
Rating: 7/5
Edible
Yes
Contains N-propyl disulfide and thiosulphates, which are toxic to pets (dogs, cats, horses), causing hemolytic anemia.
