SproutSmart
SproutSmart™ Intelligent Garden Sowing

Flashy Butter Oak

Lettuce
Zone 12b Save Garden

Planting Schedule

Add Flashy Butter Oak to your garden to build a schedule and get reminders.
Botanical illustration of Flashy Butter Oak
50d to harvest

Velvety, buttery leaves unfurl in a luminous rosette—Flashy Butter Oak brings a rich, tender crunch with a softly sweet, fresh-green flavor. At maturity (about 50 days), its heads form a compact, spoon-shaped butterhead with a crisp yet yielding texture that stays pleasantly delicate. Ideal for garden-fresh salads and elegant platters, Flashy Butter Oak is a standout choice when you want beauty, tenderness, and a clean, bright bite in every serving.

Crop Dates

Growing note: In frost-free Zone 12b, grow this cool-season crop during the cooler dry season (October–February).
MilestoneDate
Start Indoors—
ClimateFrost-Free Climate
Transplant / Sow OutdoorsOct 1st
Harvest BeginsNov 20th
Harvest EndsFeb 28th

Crop Details

TraitValue
Days to Maturity50
Sun RequirementsPart SunPartial sun
Growth HabitRosette
Support NeededNone
Planting DepthSurface
Germination Temp (°F)65
Min Soil Temp (°F)40
Min Night Temp (°F)32
Harden Off (days)6

Today's Conditions

Outdoor planting for Flashy Butter Oak in Zone 12b typically begins around 2026-10-01. Wait until soil reaches at least 40°F before transplanting Flashy Butter Oak.

Garden Alerts

In frost-free Zone 12b, grow this cool-season crop during the cooler dry season (October–February).

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Frequently Asked Questions

How often should I water Lactuca sativa during the main growing phase to keep it crisp and prevent problems?
During active leaf growth, keep the soil consistently evenly moist—aim for about 1 inch of water per week, then adjust so the top 1 inch of soil stays damp but not soggy. Water at the base in the morning to avoid wet leaves, especially when temperatures rise and lettuce is at higher risk of tip-burn and mildew. If lettuce starts to feel dry or wilts between waterings, increase frequency (smaller, more regular soakings) rather than one heavy watering.
How do I tell when Flashy Butter Oak lettuce (Lactuca sativa) is ready to harvest?
Harvest when heads are firm (for romaine-type habit) or when leaf clusters are full and reach the typical size for your bed—usually around 50 days from sowing. For the best texture, pick leaves when they’re crisp and tender, before the plant bolts; signs include rapid stem elongation and leaf bitterness. Use scissors to cut outer leaves first (letting the center continue) or harvest the whole plant once it’s fully developed.
Botanical illustration of Flashy Butter Oak

Velvety, buttery leaves unfurl in a luminous rosette—Flashy Butter Oak brings a rich, tender crunch with a softly sweet, fresh-green flavor. At maturity (about 50 days), its heads form a compact, spoon-shaped butterhead with a crisp yet yielding texture that stays pleasantly delicate. Ideal for garden-fresh salads and elegant platters, Flashy Butter Oak is a standout choice when you want beauty, tenderness, and a clean, bright bite in every serving.

Today's Conditions

Outdoor planting for Flashy Butter Oak in Zone 12b typically begins around 2026-10-01. Wait until soil reaches at least 40°F before transplanting Flashy Butter Oak.

Garden Alerts

In frost-free Zone 12b, grow this cool-season crop during the cooler dry season (October–February).

Sowing Tips

Soil Temperature

Direct sow or transplant when soil at planting depth holds 40°F for reliable germination and early growth.

Expert Note

Start indoors for a head start, but transplant only when nights are consistently above ~35°F to avoid slow, stunted growth in cold snaps.