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White Bermuda (Early Grano)

Onion
Zone 11a Save Garden

Planting Schedule

Add White Bermuda (Early Grano) to your garden to build a schedule and get reminders.
Botanical illustration of White Bermuda (Early Grano)
90d to harvest

Sweetly aromatic and cleanly mild, White Bermuda (Early Grano) forms crisp, snow-white bulbs with a tender, fine-grained bite that stays pleasantly delicate from harvest through storage. The skins are thin and bright, the flesh crisp and juicy, making this an ideal choice for fresh use and for turning into smooth, fragrant preparations where its gentle character shines. Grow it for reliable, early-season performance—an elegant white onion that looks as good as it tastes.

Crop Dates

Growing note: In frost-free Zone 11a, grow this cool-season crop during the cooler dry season (October–February).
MilestoneDate
Start Indoors—
ClimateFrost-Free Climate
Transplant / Sow OutdoorsOct 1st
Harvest BeginsDec 30th
Harvest EndsFeb 28th

Crop Details

TraitValue
Days to Maturity90
Sun RequirementsFull SunFull sun
Growth HabitBulbing
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)40
Min Night Temp (°F)35
Harden Off (days)7

Today's Conditions

Outdoor planting for White Bermuda (Early Grano) in Zone 11a typically begins around 2026-10-01. Wait until soil reaches at least 40°F before transplanting White Bermuda (Early Grano).

Garden Alerts

In frost-free Zone 11a, grow this cool-season crop during the cooler dry season (October–February).

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Frequently Asked Questions

How do I manage onion (Allium cepa) problems like downy mildew and botrytis blight?
Onions (Allium cepa) commonly develop downy mildew and neck/foliar blights in cool, wet weather. Improve airflow with wider spacing, avoid watering the foliage (water at the soil line), and remove any yellowing or collapsing leaves quickly. If the problem persists, use an onion-appropriate fungicide and follow the label timing starting as soon as you see mottling or gray/purple lesions.
When is Allium cepa (white Bermuda-type) ready to harvest?
Harvest when 50–70% of the tops have fallen over and the necks feel tight rather than soft. For many 90-day plantings, this is around 90 days from transplanting/typical sowing timeline, but use the top condition as your main guide. Lift on a dry day, cure the bulbs in a warm, airy spot for 1–2 weeks, and then trim roots and tops for storage.
Botanical illustration of White Bermuda (Early Grano)

Sweetly aromatic and cleanly mild, White Bermuda (Early Grano) forms crisp, snow-white bulbs with a tender, fine-grained bite that stays pleasantly delicate from harvest through storage. The skins are thin and bright, the flesh crisp and juicy, making this an ideal choice for fresh use and for turning into smooth, fragrant preparations where its gentle character shines. Grow it for reliable, early-season performance—an elegant white onion that looks as good as it tastes.

Today's Conditions

Outdoor planting for White Bermuda (Early Grano) in Zone 11a typically begins around 2026-10-01. Wait until soil reaches at least 40°F before transplanting White Bermuda (Early Grano).

Garden Alerts

In frost-free Zone 11a, grow this cool-season crop during the cooler dry season (October–February).

Sowing Tips

Soil Temperature

Direct sow or transplant when soil at planting depth holds 40°F for reliable germination and early growth.

Expert Note

For short-day onions like Early Grano, aim for a cool start and transplant into well-drained soil as soon as it’s workable to avoid bolting and to size bulbs well before long warm days.