De Louviers

Family: Asteraceae Vegetable

Silky, tightly layered heads of De Louviers unfold into a cool, crisp sweetness with a gentle bitterness that lingers like fine herbs on the palate.

The texture is notably tender and snappy, forming a compact, elegant rosette that holds its shape at maturity. Grow De Louviers for fresh, refined salads and for elegant braising-style preparations where its delicate crunch and mellow flavor shine.

Light: Part SunMaturity: 75 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	Jul 9th
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	75
Sun Requirements	Part Sun
Growth Habit	Rosette
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	65
Min Soil Temp (°F)	40
Min Night Temp (°F)	32
Harden Off (days)	6

Culinary Notes

Chef's Note

De Louviers’ tightly layered leaves stay crisp and elegant, so it’s built for dishes where you want bitterness that behaves—gentle, not harsh—and a texture that doesn’t collapse. Treat it like a fine lettuce: keep the heat brief and the dressing warm-to-coating so the rosette stays snappy through every bite.

Best Uses

shaved or segmented raw salads that keep a clean snap under vinaigrette
quick wilted “braise”/pan-steam in butter so the layers soften without going mushy
grilled or roasted endive halves for browned edges and caramel-leaning bitterness
dressed with warm, emulsified fats (bacon fat or browned butter) to round the finish

Flavor Profile

cool, crisp sweetness gentle bitterness silky, tightly layered crunch tender snappy bite with a lingering herbal finish

Kitchen Pairings

lemon browned butter Parmesan hazelnuts walnuts ham or pancetta

Frequently Asked Questions

What pest or disease most commonly affects Cichorium endivia (De Louviers), and how do I prevent it?

De Louviers (Cichorium endivia) is especially prone to leaf diseases like downy mildew and bacterial leaf spot when foliage stays wet. Water at the base in the morning, space plants to keep air moving, and remove any spotting leaves promptly to stop spread. If problems start, use a labeled fungicide/bactericide for leafy greens and avoid overhead irrigation for the rest of the cycle.

How often should I water De Louviers during the main growing phase, and what soil moisture level should I aim for?

Keep the soil evenly moist during active leaf growth—about 1–1.5 inches of water per week total from rainfall plus irrigation, adjusting for heat and wind. Aim for consistently damp (not soggy) soil, because waterlogged roots and wet leaves increase the risk of leaf diseases. Mulch lightly after establishment to reduce moisture swings.

How can I tell when De Louviers (Cichorium endivia) is ready to harvest?

Harvest when heads are fully formed and the outer leaves are crisp and well-developed, typically around 75 days from sowing. In the garden, look for compact plants with a mature size for the variety; if plants bolt (flower stalk forms), quality declines quickly. For best texture, harvest in cooler weather and cut at the soil line, then promptly cool the leaves.