Everything You Need to Know About Onion — Care, Propagation & More
Your complete Filipino gardener’s guide to growing, caring for, and harvesting Sibuyas — from seed to table.
What Can You Eat?
Discover the edible parts and how Filipinos enjoy this plant in everyday cooking.
Adobo, sinigang, afritada, menudo, kaldereta — every Filipino dish has sibuyas. Green onion (sibuyas dahon) is essential in pansit, lugaw, and as garnish. Pickled red onions for grilled meats.
Sibuyas is the foundation of Filipino sauces and adobos. The infamous onion shortage of 2022-2023 made every Filipino aware of how dependent we are on this aromatic. Backyard sibuyas dahon (green onion) is the easiest start.
Germination Guide
From seed to sprout — here’s what to expect and how to get started.
Planting Instructions
Everything you need to prepare — soil, spacing, depth, and the best Philippine planting months.
Propagation Methods
Learn the best ways to multiply your plants — from seeds to cuttings.
Care Guide
Keep your plant happy and thriving with the right light, water, and nutrients.
Full sun
Moderate; reduce as bulbs mature
Compost at planting; nitrogen sparingly during growth, none during bulbing
15-25°C
55-70%
Mulch; weed regularly.
Harvest Guide
Know when and how to harvest for the best yield and flavor.
Tops fall over and yellow; bulb necks soften.
Lift with fork; cure in shade for 2-3 weeks.
Common Problems & Solutions
Spot issues early and fix them fast.
Small bulbs
Cause: Heat or insufficient day length
Solution: Plant during cool season; use short-day varieties.
Onion thrips
Cause: Thrip infestation
Solution: Neem oil; reflective mulch.
Pink root rot
Cause: Soil-borne fungus
Solution: Crop rotation; resistant varieties.
Bolting (flowering)
Cause: Cold then heat shock
Solution: Plant when temps stabilize cool.
Perfect Plant Partners
Plants that grow well together.
