Snowball Self-Blanching

Family: Brassicaceae Brassica

Snowball Self-Blanching delivers a luminous, snow-white curd that feels velvety to the eye and tender in the garden—compact heads with a clean, uniform dome.

Its self-blanching habit gently protects the developing curd, helping it stay bright and attractive as it matures in about 75 days. Grow it for pristine fresh displays and for standout roasts, gratins, and creamy sauces where its mild, sweet flavor shines.

Light: Full SunMaturity: 75 DaysHabit: Rosette

Botanical illustration of Snowball Self-Blanching

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	Jul 2nd
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	75
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)	32
Harden Off (days)	6

Culinary Notes

Chef's Note

Self-blanching heads stay clean and pale, so you get a very even, tender bite—less bitterness, more that silky cauliflower sweetness. It’s the variety you pull for a roast that browns at the edges without drying out, or for gratin where the curds melt into the sauce instead of fighting it.

Best Uses

roast until the edges bronze while the interior stays plush
rice it or mash it into a silky, low-carb base
bake into a gratin with a thick, browned cheese crust
steam and finish with a butter-lemon emulsion for maximum sweetness

Flavor Profile

mild, sweet brassica flavor tender, creamy curd texture gentle nuttiness when roasted

Kitchen Pairings

butter lemon garlic Parmesan gruyère smoked paprika

Frequently Asked Questions

What is the most common Brassica oleracea disease/pest issue for snowball self-blanching cauliflower, and how do I control it?

Watch for cabbage worms (imported cabbageworm/diamondback moth larvae) and leaf-eating caterpillars, especially once heads start forming. Hand-pick early infestations and use floating row cover over the bed until plants are well established; if needed, apply a cauliflower-safe BT (Bacillus thuringiensis) spray and reapply after new egg-laying or heavy rain. Keep the area free of brassica weeds and don’t let leaves stay wet overnight to reduce fungal leaf spots.

How often should I water self-blanching cauliflower during the main head-forming phase to keep heads compact?

During head formation (roughly mid-season until harvest), keep the soil evenly moist—not soggy—at about 1 to 1.5 inches of water per week total, adjusting for heat and rainfall. Water deeply so moisture reaches the root zone, then let the top inch of soil dry slightly before watering again to prevent stress that can lead to loose or stunted heads. Mulch helps stabilize moisture so curds don’t separate.

How can I tell when snowball self-blanching cauliflower is ready to harvest?

Harvest when the curds are tight and firm and the head is fully white and reaches the expected size for your spacing (often around 6–8 inches across, depending on conditions). The head should feel dense when gently squeezed and not show any yellowing florets; if you see looseness or color break, it’s starting to open and should be cut promptly. Cut the head with 6–8 inches of stem and a few outer leaves to protect the curds.