Flashy Butter Oak

Family: Asteraceae Leafy Green

Planting Schedule

Provide your location or planting zone to unlock dates and add Flashy Butter Oak to a garden.

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.

Light: Part SunMaturity: 50 DaysHabit: Rosette

Botanical illustration of Flashy Butter Oak

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Flashy Butter Oak Planting Dates by USDA Zone

Estimated US hardiness-zone windows for sow, transplant, and harvest. Enter a US ZIP above for exact local dates, or open a zone below.

Zone	Start Indoors	Sow / Transplant	Harvest
Zone 1a	Protected Environment Only
Zone 1b	May 4th	May 25th	Jul 14th – Aug 1st
Zone 2a	Apr 27th	May 18th	Jul 7th – Aug 29th
Zone 2b	Apr 17th	May 8th	Jun 27th – Aug 25th
Zone 3a	Apr 17th	May 8th	Jun 27th – Sep 1st
Zone 3b	Apr 21st	May 12th	Jul 1st – Sep 21st
Zone 4a	Apr 17th	May 8th	Jun 27th – Sep 24th
Zone 4b	Apr 15th	May 6th	Jun 25th – Sep 27th
Zone 5a	Apr 10th	May 1st	Jun 20th – Sep 30th
Zone 5b	Apr 6th	Apr 27th	Jun 16th – Oct 5th
Zone 6a	Apr 3rd	Apr 24th	Jun 13th – Oct 10th
Zone 6b	Mar 28th	Apr 18th	Jun 7th – Oct 16th
Zone 7a	Mar 23rd	Apr 13th	Jun 2nd – Oct 20th
Zone 7b	Mar 13th	Apr 3rd	May 23rd – Oct 28th
Zone 8a	Mar 4th	Mar 25th	May 14th – Nov 5th
Zone 8b	Feb 23rd	Mar 16th	May 5th – Nov 12th
Zone 9a	Feb 6th	Feb 27th	Apr 18th – Nov 26th
Zone 9b	Jan 12th	Feb 2nd	Mar 24th – Dec 9th
Zone 10a	—	Oct 1st	Nov 20th – Feb 28th
Zone 10b	—	Oct 1st	Nov 20th – Feb 28th
Zone 11a	—	Oct 1st	Nov 20th – Feb 28th
Zone 11b	—	Oct 1st	Nov 20th – Feb 28th
Zone 12a	—	Oct 1st	Nov 20th – Feb 28th
Zone 12b	—	Oct 1st	Nov 20th – Feb 28th
Zone 13a	—	Oct 1st	Nov 20th – Feb 28th
Zone 13b	—	Oct 1st	Nov 20th – Feb 28th

Crop Details

Trait	Value
Days to Maturity	50
Sun Requirements	Part Sun
Growth Habit	Rosette
Support Needed	None
Planting Depth	Surface
Germination Temp (°F)	65
Min Soil Temp (°F)	40
Min Night Temp (°F)	32
Harden Off (days)	6

Culinary Notes

Chef's Note

Flashy Butter Oak is built for tenderness: its spoon-shaped heads keep that yielding, buttery crunch even once dressed, so it won’t turn papery fast. Pair it with clean, bright acids and salty fats so the sweetness reads as fresh rather than bland.

Best Uses

chopped salad plates where leaves must stay tender and not crackle
briefly tossed greens with warm bacon fat or butter so they glaze, not wilt
simple vinaigrette with light acidity (lemon, champagne vinegar) to keep the sweetness up front
make-ahead salad prep by layering dressed ingredients with dry leaves on top to preserve structure

Flavor Profile

softly sweet fresh-green flavor velvety, buttery leaves crisp yet yielding crunch clean, bright finish

Kitchen Pairings

lemon champagne vinegar bacon fat parmesan grilled chicken extra-virgin olive oil

Frequently Asked Questions

What pests or diseases commonly hit Lactuca sativa (lettuce) and how can I prevent and treat them?

Watch for aphids and slugs/snails on tender lettuce leaves; they often appear as distorted growth, holes, or sticky residue. Rinse aphids off with a strong stream of water and use insecticidal soap if colonies persist, while hand-picking slugs at dusk and setting beer traps or copper barriers protects young plants. Keep foliage dry with morning watering and spaced plants to reduce downy mildew risk, which shows as yellow patches on top with fuzzy growth underneath.

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.