Speckled Butterhead

Lettuce

Zone 11b Save Garden

Botanical illustration of Speckled Butterhead

🌱 55d to harvest Rosette

Velvety leaves unfurl in a soft, butter-smooth rosette, where pale green centers are kissed with delicate speckles that shimmer l…

Crop Dates

Milestone	Date
Start Indoors	Dec 4th
Last Frost	Jan 1st
Transplant / Sow Outdoors	Dec 25th
Harvest Begins	Feb 18th
Harvest Ends	Dec 31st

Crop Details

Trait	Value
Days to Maturity	55
Sun Requirements	Part Sun
Growth Habit	Rosette
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	40
Min Night Temp (°F)	35
Harden Off (days)	5

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Frequently Asked Questions

What’s the most common disease problem for Lactuca sativa (speckled butterhead) and how do I fix it?

Butterhead lettuce is prone to downy mildew (often shows as pale yellow patches on upper leaves with gray-purple growth on the underside) when nights are cool and humidity stays high. Remove and destroy the affected leaves, improve airflow by spacing plants, and water at the soil surface so foliage stays dry. If it keeps spreading, switch to a fresh bed or soil and avoid replanting lettuce in the same spot for a full season to break the disease cycle.

How often should I water speckled butterhead during the main growing phase to prevent bitter or loose heads?

During active head formation (roughly weeks 4–7), keep the root zone consistently evenly moist, not soggy—aim for about 1 inch (2–3 cm) per week total, split into 2–3 waterings as needed. Let the top 1 inch of soil dry slightly between waterings, then water deeply to reach the full root bed. Irregular moisture swings can cause leaf bitterness and heads that don’t firm up well.

How can I tell when Lactuca sativa ‘speckled butterhead’ is ready to harvest at ~55 days?

Harvest when heads feel firm and leaves are full-size but still tender—typically around 55 days from sowing (or when the center is well formed and the outer leaves have reached mature spread). Look for crisp, light-to-medium green leaves without excessive stretching; if plants bolt (flower stalk starts), harvest immediately for best eating quality.

Velvety leaves unfurl in a soft, butter-smooth rosette, where pale green centers are kissed with delicate speckles that shimmer like fresh dew. Speckled Butterhead forms a compact, tender head with a gentle crunch and a sweet, mild flavor—ideal for gardeners who want beauty as well as a satisfying leaf texture. Grow for fresh salads and elegant garnishes, or let the leaves shine in light sauces and quick pickling for a bright, garden-fresh bite.

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 tender butterhead heads, keep soil evenly moist and protect seedlings from heat to prevent bolting.