All Year Round

Lettuce

Zone 9a Save Garden

Botanical illustration of All Year Round

🌱 50d to harvest Rosette

Crisphead All Year Round brings a cool, clean crunch with tender, sweet flavor and a tight, satisfying head that stays crisp thro…

Crop Dates

Milestone	Date
Start Indoors	Feb 6th
Last Frost	Mar 6th
Transplant / Sow Outdoors	Mar 6th
Harvest Begins	Apr 25th
Harvest Ends	Nov 26th

Crop Details

Trait	Value
Days to Maturity	50
Sun Requirements	Part Sun
Growth Habit	Rosette
Support Needed	None
Planting Depth	Surface
Germination Temp (°F)	70
Min Soil Temp (°F)	40
Min Night Temp (°F)	30
Harden Off (days)	6

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Frequently Asked Questions

How do I prevent and treat powdery mildew on my all-year-round plants?

Powdery mildew appears as white, dusty patches on leaves and can spread quickly in warm, humid spots with poor airflow. At the first signs, remove the worst leaves, improve spacing for airflow, and water at the soil line (not the foliage). Spray an approved potassium bicarbonate or horticultural oil product according to label directions, repeating as needed every 5–7 days until patches stop expanding.

How often should I water during the main growing phase (about the first 50 days)?

Keep the root zone consistently lightly moist—aim for soil that feels like a wrung-out sponge at the top 1 inch. Water deeply when the surface starts to dry, typically every 2–3 days in part sun, but reduce to about weekly during cooler, low-light periods. Avoid soggy soil, because it can stall growth and increase disease like leaf spotting.

When are my all-year-round plants ready to harvest?

Harvest when plants reach full size and show mature, well-formed growth (not just small baby leaves), which is usually around 50 days from sowing. For the best quality, pick in the morning and harvest before leaves become overly tough or plants begin to look stressed or prematurely thin. If you’re doing repeated harvests, remove outer portions first and leave the center to continue producing.

Crisphead All Year Round brings a cool, clean crunch with tender, sweet flavor and a tight, satisfying head that stays crisp through changing conditions. The leaves form a dense, pale-green rosette with a buttery bite—ideal for fresh salads, as well as for quick roasting or grilling where its structure holds beautifully. Grow it for dependable harvests around the calendar, with heads ready in about 50 days from sowing.

Sowing Tips

Transplant Conditions

Wait until soil reaches 40°F and nights stay above 30°F before moving outdoors. Harden off for 6 days first.

Expert Note

Butterhead lettuce performs best when nights are cool—plan sowing/transplanting to avoid hot midsummer conditions and use shade if needed.