A little more green in the world ✳ 2,083 plants across 13 growing zones
worldthatgrows.
Allium · Easy to moderate

How to Grow Red Burgundy Onion

Allium cepa 'Red Burgundy'

Your complete guide to growing Red Burgundy Onion.

☀SunFull sun (6+ hours)
💧Water1 inch per week, reduce watering 3 weeks before harvest
📅Harvest100-110 days
🗺Zones5–10
📏Height12-18 inches
Red Burgundy Onion📷 Wikipedia: Onion

When to Plant Red Burgundy Onion

Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.

ZoneStart IndoorsDirect SowHarvest
Zone 1 — June – July September
Zone 2 — May – July September
Zone 3 — May – June August – October
Zone 4 — April – June August – October
Zone 5 — April – May July – November
Zone 6 — April – May July – November
Zone 7 — March – May July – November
Zone 8 — March – April June – December
Zone 9 — February – March May – December
Zone 10 — January – March May – December
Zone 11 — January – February April – December
Zone 12 — January – February April – December
Zone 13 — January – February April – December

Companion Plants for Red Burgundy Onion

✓ Good companions

Brassicas (Cabbage, Broccoli)

Onions repel cabbage worms, flea beetles, and other crucifer pests

Carrots

Onions repel carrot flies while carrots help break up soil for onion bulb development

Lettuce

Onions provide pest protection without competing for space due to different root depths

Marigolds

Both plants repel similar pests, creating a strong pest deterrent zone

Peppers

Onions deter aphids and other soft-bodied insects that damage pepper plants

Roses

Onions repel aphids, thrips, and may help prevent black spot and other fungal diseases

Strawberries

Onions repel slugs, aphids, and other strawberry pests while conserving space

Tomatoes

Onions deter aphids, hornworms, and other tomato pests while improving tomato flavor

✗ Keep away from

Asparagus

Onions can inhibit asparagus growth and both compete for similar soil nutrients

Beans

Onions can inhibit bean growth and nitrogen fixation by their roots

Peas

Allelopathic compounds from onions can stunt pea growth and reduce yields

Sage

Both plants can inhibit each other's growth when planted too closely together

Nutrition Facts

Per 100g serving (USDA FoodData Central)

40.0kcal
1.10gProtein
1.70gFiber
7.40mgVitamin C
0.21mgIron
Notes from the garden

A greener inbox, occasionally.

Seasonal planting ideas, useful tips and a little inspiration. No weeds.