SproutSmart
SproutSmart Intelligent Garden Sowing

Oakleaf

Family: Asteraceae Leafy Green

Planting Schedule

Add Oakleaf to your garden to build a schedule and get reminders.

Tender leaves unfurl like ruffled lace, with a crisp snap and a sweet, green-forward flavor that feels cool and clean from the first harvest.

Oakleaf forms loose rosettes of oak-shaped foliage—deeply lobed, richly textured, and wonderfully steady in the garden—ideal for fresh, vibrant salads and quick tosses, as well as blending into leafy mixes and silky sauces.

Light: Part SunMaturity: 50 DaysHabit: Rosette

Botanical illustration of Oakleaf

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

Crop Dates

MilestoneDate
Start IndoorsMar 28th
Last FrostApr 25th
Transplant / Sow OutdoorsApr 25th
Harvest BeginsJun 14th
Harvest EndsOct 16th

Crop Details

TraitValue
Days to Maturity50
Sun RequirementsPart SunPartial sun
Growth HabitRosette
Support NeededNone
Planting DepthSurface
Germination Temp (°F)40
Min Soil Temp (°F)40
Min Night Temp (°F)35
Harden Off (days)5

Culinary Notes


Chef's Note

Oakleaf’s ruffled, deeply lobed leaves give you a bright, cool crunch that won’t collapse immediately under dressing—ideal for salads that need to stay Instagram-still. Its mild bitterness and juicy snap make it a smart base for lemony vinaigrettes and creamy crumbles alike, without turning metallic or too assertive.

Best Uses

  • fresh torn-and-tossed salads where the leaves stay crisp
  • quick sheet-pan or wok-finished dishes (add at the end so they don’t wilt hard)
  • leafy-mix bases for vinaigrettes and creamy dressings
  • blended, silky sauces where you want a light, fresh verdant finish

Flavor Profile

sweet, green-forward flavor tender crunch with a clean, watery snap mild bitterness that stays pleasantly low

Kitchen Pairings

lemon extra-virgin olive oil feta goat cheese salmon chickpeas

Frequently Asked Questions


What’s a common problem for Lactuca sativa (oakleaf lettuce), and how do I treat it?
A frequent issue is powdery mildew, which shows up as a white, dusty coating on leaves and spreads in cool, humid conditions. Improve airflow by spacing plants and watering at soil level (not on leaves), then remove heavily infected leaves. If it keeps recurring, spray an approved fungicide labeled for leafy greens and follow the label reapplication interval.
How often should I water oakleaf lettuce during the main growing phase?
Keep the top 1–2 inches of soil evenly moist from emergence through harvest; lettuce roots dry out quickly and stress can trigger bitterness and bolting. In warm part-sun conditions, this usually means watering about 2–4 times per week, with deeper soakings so moisture reaches the root zone. Water in the morning and avoid waterlogged soil, since overly wet beds can encourage fungal leaf diseases.
How can I tell when oakleaf lettuce (Lactuca sativa) is ready to harvest?
Harvest when heads/rosettes are well-formed for their size—typically around 50 days from sowing—and leaves are large enough for your preference without being overly mature. For leaf harvest, pick the outer leaves when they reach usable size and leave the center growing point intact. For whole-plant harvest, cut at the base when the plant has reached full, crisp leaf mass and before it starts to bolt (stems stretching upward).