🎨 AI-generated botanical illustration
🥕 Welsh Onion
Allium fistulosum
vegetables
Perennial
Amaryllidaceae
☀️ Sun
Full Sun
💧 Water
Moderate
🗺️ Zones
5-9
🧪 Soil pH
6.0-7.0
🪴 Soil Type
Well-draining
🚿 Drainage
Well-drained
📏 Spacing
6-8 in
📐 Height
18-30 in
🤝 Companions (4)
🤝 Carrot
Perennial bunching onion for carrot protection
🤝 Chamomile
Chamomile improves allium flavor
🤝 Strawberry
Deters pests from strawberry beds
🤝 Tomato
Perennial allium companion for tomatoes
⚠️ Keep Apart (3)
⚠️ Fennel
Allelopathic - may inhibit growth
⚠️ Mint
Aggressive mint competes for resources
⚠️ Walnut
Susceptible to juglone toxicity from walnut trees
📝 Growing Notes
Perennial bunching onion - never buy green onions again. Divide clumps to multiply.
🛒 Buy Seeds & Plants
Baker Creek Heirloom Seeds
Johnny's Selected Seeds
Botanical Interests
True Leaf Market
Burpee
Territorial Seed Company
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