Green Curled

Family: Brassicaceae Vegetable

Savory-sweet and vividly green from the first tender leaves, Green Curled kale brings a crisp, ruffled bite with a pleasantly earthy depth.

Its tightly curled foliage forms a dense, attractive rosette that holds flavor beautifully as temperatures cool, making it a standout for fresh salads, hearty sautés, and vibrant sauces. Grow it for a steady harvest of richly textured greens that stay bold and satisfying through the season.

Light: Full SunMaturity: 55 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 25th
Harvest Begins	Jun 19th
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	55
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)	28
Harden Off (days)	6

Culinary Notes

Chef's Note

Green Curled kale is built for contrast: its tight curls stay snappy in a cold toss, but soften into a satiny, deeply green mouthfeel when you cook it fast. Because it runs savory-sweet and lightly peppery, it loves acid and fat—think lemon and olive oil—so the earthy edge turns bright instead of bitter.

Best Uses

massaging into cold salads where the leaves keep their texture under vinaigrette
hot searing or quick sautéeing for curled-edge crunch and deep green color
blend into bright green sauces (pesto-style or chimichurri-style) that stay vivid after a brief reduction
steaming then tossing with a punchy fat + acid so it doesn’t taste flat

Flavor Profile

crisp, ruffled bite savory-sweet with vivid, green-earthiness pleasantly tender juiciness when young lightly peppery finish from the Brassica bite

Kitchen Pairings

lemon extra-virgin olive oil parmesan white beans smoked bacon butter

Frequently Asked Questions

What pest or disease is most likely on Brassica oleracea (green curly kale), and how do I treat it?

Watch for cabbage worms/loopers and aphids, which chew leaves and leave ragged holes or sticky residue. Hand-pick caterpillars early, spray with an approved Bacillus thuringiensis (Bt) product if you see active worms, and blast aphids off with water before they build up. If you notice yellowing leaves with gray/white fuzzy growth on stems, remove affected leaves and improve airflow to reduce fungal pressure.

How often should I water Brassica oleracea during the main growing phase to keep leaves tender?

During the 6–8 weeks leading up to maturity (about weeks 25–55), keep soil consistently evenly moist—typically 1–2 inches of water per week, adjusted for heat and container size. Water deeply when the top 1 inch of soil feels dry, aiming at the base so foliage stays drier and less prone to leaf diseases. Avoid letting the soil swing between very dry and soggy, which can lead to bitter, tough leaves and stress.

How can I tell when Brassica oleracea (green curly kale) is ready to harvest?

Harvest around 55 days to maturity by taking the outer leaves once they are fully sized and firm, typically about 8–12 inches long depending on your spacing. The leaves should be deep green and sturdy (not limp or overly small), and you can keep harvesting from the outside while the center continues to grow. For best flavor, start harvest before prolonged hot weather, since kale tends to get tougher and more bitter as it heats up.