VegetableCauliflower
Veronica Romanesco Cauliflower
Romanesco
Veronica Romanesco Cauliflower is a stunning Italian-type hybrid that produces lime green heads with perfectly spiraled, tightly beaded domes that look almost architectural in their symmetry. Growing to harvest in just 70 to 79 days, this variety thrives in zones 3 through 10 and handles heat exceptionally well, making it reliable even when summer temperatures climb. The flavor is noticeably milder and sweeter than standard cauliflower, and the vibrant color persists even after cooking, turning this humble vegetable into something visually striking on the plate.
Photo © True Leaf Market(https://www.trueleafmarket.com/products/cauliflower-seeds-veronica-romanesco-hybrid-clearance-seeds)
Growing Conditions
USDA Zone
3-10
Sunlight
Full Sun
Water
Moderate
Soil
Well-drained, Fertile Loam With Consistent Moisture
Preferred Temp60-70°F
Growth Stats
PeriodAnnual
TypeHead-forming
Spacing
18-24 inches apart
Plant Profile
Sunlight
Full Sun
Water
Moderate
Zones
3-10
Size
?in H x ?in W
Growth
Annual
Care
Moderate
Hover over chart points for details
Highlights
The real draw here is the combination of stunning visual presence and superior flavor. These heads maintain their brilliant lime green hue through cooking and retain a sweeter, gentler taste that appeals to cauliflower skeptics. The tightly spiraled, pointed domes give each head an almost sculptural quality, making this as much a feast for the eyes as for the palate. Its heat tolerance means you can push planting timings without sacrificing quality, and the mild flavor works beautifully raw in salads, cooked in simple preparations, or even pickled for long-term storage.
Common Uses
This cauliflower shines in multiple applications. Slice it raw into salads where its sweetness and tender texture shine, steam or roast it to showcase how the color holds through cooking, or pickle it for a tangy, preserved side dish. The mild flavor makes it especially approachable for those who find standard cauliflower too strong or sulfurous.
Growing Timeline
First Bloom
Does Not Bloom (Leafy Vegetable)
First Harvest
Mid-fall
Last Harvest
Early Winter
Care Instructions
Start Indoors
Start seeds indoors 4 to 6 weeks before your last spring frost date. Sow into fertilized seed flats or sectioned potting soil and maintain temperatures between 65 and 75 degrees Fahrenheit for germination.
Transplant Outdoors
Harden off seedlings gradually over 7 to 10 days before transplanting outdoors after your last frost date. Space plants 24 inches apart in full sun. This variety is frost-hardy, so early spring planting is possible as long as soil has warmed slightly.
Harvesting
Harvest when heads reach full size and the tightly beaded domes feel firm to the touch, typically 70 to 79 days after transplanting. Cut the main head with a sharp knife, leaving the stem attached. The vibrant lime green color indicates maturity, and heads hold their quality best when harvested in cool morning hours before heat builds.
Growing Calendar
Enter your ZIP code to see a personalized growing calendar for this plant.
Companion Planting
Ecology & Traits
Edible
Soil pH Range
6.5 – 7.5
Scientific Classification
Brassica oleracea L.
Family
Brassicaceae
Genus
Brassica
Duration
Perennial
Growth Habit
Forb/herb
Native Status
L48 (I)PR (I)CAN (W)GL (W)