White Corona

Family: Brassicaceae Brassica

A luminous, snow-white head with a gentle, creamy sheen—White Corona brings an elegant, cloudlike presence to the garden.

Expect a fine, tender curd with a tight, uniform texture that holds its beauty through the season, offering a mild, sweet brassica flavor. Ideal for showcasing in fresh preparations and for roasting, steaming, and creamy sauces, White Corona is a standout cauliflower for gardeners who love both refinement and reliability.

Light: Full SunMaturity: 60 DaysHabit: Rosette

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

Milestone	Date
Start Indoors	Mar 28th
Last Frost	Apr 25th
Transplant / Sow Outdoors	Apr 18th
Harvest Begins	Jun 17th
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	60
Sun Requirements	Full Sun
Growth Habit	Rosette
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	45
Min Soil Temp (°F)	40
Min Night Temp (°F)	30
Harden Off (days)	6

Culinary Notes

Chef's Note

White Corona’s tight, uniform curd stays buttery and elegant—less grainy than rougher heads—so it holds up in both high-heat roasting and silky sauces. If you want it to taste like itself, keep seasoning bright (lemon, pepper) and let the creamy brassica sweetness do the talking.

Best Uses

roasting until the florets bronze at the edges while staying creamy inside
steam-then-mash for a smooth, spoonable puree
quick-simmer for a silky, white cream sauce base
raw or lightly dressed florets for a crisp, sweet crunch

Flavor Profile

mild sweet brassica flavor fine, tender curd creamy, cohesive bite when cooked

Kitchen Pairings

lemon garlic butter parmesan olive oil black pepper

Frequently Asked Questions

What pest or disease most often affects Brassica oleracea var. botrytis (White Corona) and how can I treat it?

Watch closely for cabbage moth/loopers and for black rot or clubroot-like symptoms, which show up as yellowing that turns dark, or stunted plants with damaged roots. Hand-pick small caterpillars and use a floating row cover early to prevent egg-laying; remove badly infected plants to protect the rest of the bed. If you see black rot, stop overhead watering, space plants for airflow, and avoid using that soil for brassicas for several years (crop rotation helps most).

How often should I water White Corona during the main growing phase?

During head formation, keep the root zone evenly moist with about 1–2 inches of water per week, adjusting for heat and soil texture so the soil stays damp but not waterlogged. Aim for deep watering that soaks 6–8 inches, then let the top 1 inch of soil dry slightly before watering again. Consistent moisture is crucial—dry spells followed by heavy watering can cause poor curd development or loose heads in Brassica oleracea var. botrytis.

How do I tell when White Corona is ready to harvest?

Harvest when the curd is compact, firm, and reaches a good size for the variety—typically around 60 days from transplanting—and the surface curd is tight rather than spreading. If you see the curd starting to separate into individual florets or it looks less dense, it’s over-mature; cut promptly. Cut the head with a few outer leaves intact and cool it quickly to keep it from loosening.