Vegetable · Brassica-head

Snow Crown Cauliflower

Brassicaceae

Snow Crown is an AAS (All-America Selections) winner and the most widely recommended cauliflower for home gardens across zones 5-9. One of the most heat-tolerant cauliflowers available, maturing in 50-60 days from transplant — faster than most Snowball types. Produces a large, dense white curd. MOST temperature-sensitive brassica. Optimal curd formation at 50-70°F. Three unique failure modes: BUTTONING (cold stress → marble-sized head), RICINESS (heat → fuzzy/grainy curd), and COLOR LOSS (sunlight → yellowing/purpling). White varieties require BLANCHING. Single head per plant — no side shoots, no second chances. Flag as 'experienced gardener'. Most boron-sensitive brassica. Snow Crown (50-60 DTM) for spring; Snowball for fall.

At a Glance

Days to Maturity

50–60 days

Sun

6+ hours

Spacing

18–24 "

Seed Start

4–6 weeks

before transplant

Container

Not Ideal

5+ gallon pot

Zone Planting Guide

Your USDA Zone:

Growing Guide

Germination

Germination Time 5–10 days

Optimal Temp 75°F

Seed Depth 0.25"

Watering

Weekly Water 1–1.5 "

Needs High-consistent

Soil

pH Range 6–7

Resilience

Heat: Low Cold: Medium

Nutrition

Feeding Intensity Heavy feeder

Harvest

Tight white curd, 6-8 inches diameter, smooth surface. Harvest promptly.

Storage 21 days

Sources

university UMN Extension — Growing Cauliflower university Iowa State Extension university OSU Oklahoma — Cole Crop Production university Ohio State University Extension (Ohioline) — Growing Cauliflower university Texas A&M AgriLife — Cauliflower (PDF)

More Vegetables

Snow Crown Cauliflower Planting Dates by Zone

Planting dates for Snow Crown Cauliflower vary by USDA hardiness zone. Select your zone below for frost dates, start-indoors timing, and a full monthly planting calendar.

Zone 5A Zone 5B Zone 6A Zone 6B Zone 7A Zone 7B Zone 8A Zone 8B Zone 9A Zone 9B

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