SproutSmart
SproutSmart Intelligent Garden Sowing

Sylvesta

Lettuce
Botanical illustration of Sylvesta
🌱 60d to harvest Rosette

Silky, butter-soft leaves unfurl in a compact rosette, catching the light with a fresh, cool green glow. Sylvesta butterhead lett…

Planting Schedule

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

Crop Dates

MilestoneDate
Start IndoorsDirect Sow
Last FrostJun 15th
Transplant / Sow OutdoorsJun 8th
Harvest BeginsAug 7th
Harvest EndsJul 15th

Crop Details

TraitValue
Days to Maturity60
Sun RequirementsPart SunPartial sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)40
Min Night Temp (°F)35
Harden Off (days)5

Frequently Asked Questions


What pest or disease most commonly affects Lactuca sativa (leaf lettuce), and what should I do first?
Watch for downy mildew and aphids, which commonly hit cool-season Lactuca sativa, especially when leaves stay wet. Remove and discard infected leaves early, space plants so air can circulate, and water at the soil line in the morning to keep foliage dry. If aphids appear, rinse them off with a strong stream of water and apply an insecticidal soap directly to the undersides of leaves.
How often should I water Lactuca sativa during its main growing phase (around weeks 3–8)?
Keep the soil consistently evenly moist but not soggy; aim for about 1 inch (2.5 cm) of water per week total, adjusted for rainfall and your soil’s drainage. Water when the top 1 inch of soil feels dry, because lettuce quickly develops bitter flavor and bolting if it dries out. In warm periods, split watering into two shorter sessions to maintain steady moisture without waterlogging.
How can I tell when Lactuca sativa is ready to harvest at ~60 days?
Begin harvesting leaf lettuce when outer leaves are full-size and feel crisp, usually around 60 days from sowing/transplanting depending on conditions. For head types, harvest when the head is firm and leaves are mature; for leaf types, you can use “cut-and-come-again” by taking outer leaves while leaving the center to regrow. Avoid waiting too long past maturity, since overmature plants are more likely to bolt and turn bitter.
Botanical illustration of Sylvesta

Silky, butter-soft leaves unfurl in a compact rosette, catching the light with a fresh, cool green glow. Sylvesta butterhead lettuce delivers a sweet, mellow flavor and a tender, spoonable texture that stays pleasantly crisp at the center—ideal for gardeners who love a graceful, early harvest. Grow Sylvesta for salads, sandwiches, and elegant fresh wraps, or for quick wilted greens and bright, leaf-forward sauces.

Sowing Tips

Transplant Conditions

Wait until soil reaches 40°F and nights stay above 35°F before moving outdoors. Harden off for 5 days first.

Expert Note

For large, silky butterhead heads, keep soil evenly moist and avoid heat spikes—shade cloth during warm spells helps prevent bitter leaves and bolting.