SproutSmart
SproutSmart Intelligent Garden Sowing

Dazzling Blue

Family: Brassicaceae Vegetable

Planting Schedule

Add Dazzling Blue to your garden to build a schedule and get reminders.

Feel the velvet drama of Dazzling Blue kale as its leaves unfurl in rich, blue-green rosettes with a cool, silvery sheen.

The flavor is sweetly robust and pleasantly mild, with a tender bite that holds up beautifully for roasting and hearty sautés, and it also shines fresh in salads and blended into vibrant sauces. Grow Dazzling Blue for a dependable, 55-day harvest window that delivers striking color and satisfying texture from garden to table.

Light: Full SunMaturity: 55 DaysHabit: Rosette

Botanical illustration of Dazzling Blue

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

Crop Dates

MilestoneDate
Start IndoorsMar 28th
Last FrostApr 25th
Transplant / Sow OutdoorsApr 18th
Harvest BeginsJun 12th
Harvest EndsOct 16th

Crop Details

TraitValue
Days to Maturity55
Sun RequirementsFull SunFull sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)40
Min Soil Temp (°F)45
Min Night Temp (°F)35
Harden Off (days)6

Culinary Notes


Chef's Note

Dazzling Blue kale has a sweet-leaning bite and a texture that stays pleasantly tender, so it roasts without turning harsh or fibrous. Use it where you want green flavor plus a roasty, nutty finish—then let acidity and salty fat (lemon, Parm, bacon) do the heavy lifting.

Best Uses

  • hot oven roasting until edges crisp and centers stay tender
  • quick sauté in fat for silky, non-stringy greens
  • massaged raw salads where it won’t overpower delicate dressings
  • blended sauces/chimichurri-style purées for color and body

Flavor Profile

sweetly robust, mild bitterness tender, slightly velvety leaf bite roasty, nutty character when cooked cool, silvery green freshness raw

Kitchen Pairings

lemon olive oil Parmesan white beans chickpeas smoked bacon

Frequently Asked Questions


What pest or disease is most likely on Brassica oleracea (lacinato/dazzling blue kale), and how do I treat it?
Watch for cabbage worms and aphids, which commonly chew kale leaves and leave stippling or distorted growth. Hand-pick larger caterpillars, rinse off aphids with a strong jet of water, and use a floating row cover to prevent egg-laying; if damage is heavy, spray Bt (Bacillus thuringiensis) on the leaves early in the day for best control. Also keep an eye out for downy mildew in humid weather—avoid wetting foliage and improve airflow around plants to reduce outbreaks.
How often should I water Brassica oleracea kale during peak growth?
During the main growing phase, keep soil evenly moist but not soggy—aim for about 1 inch (2.5 cm) of water per week, split into 2–3 waterings during hotter or drier spells. Water at the base so the leaves stay dry, and check by feel: the top 1 inch of soil should be moist, not dry and crumbly. If leaves become limp between waterings, increase frequency slightly; if soil stays wet, cut back to prevent root stress and disease.
How can I tell when Dazzling Blue kale is ready to harvest?
Harvest when leaves are fully expanded and firm, typically around 55 days after sowing, with good color and thickness. Pick the lower, outer leaves first once they reach a usable size (roughly palm-sized), leaving the center growing point intact for continued production. For the best flavor, harvest before extreme heat if possible; leaves taste sweeter after cool weather.