SproutSmart
SproutSmart Intelligent Garden Sowing

San Luis

Family: Solanaceae Mildly Hot Pepper

Planting Schedule

Add San Luis to your garden to build a schedule and get reminders.

Aromatic and richly sweet, San Luis poblano peppers unfold with a velvety, deep-green skin that turns to a warm, glossy red as they mature—fragrant enough to perfume the garden.

The fruits are medium-large and gently tapered, with thick, crisp flesh and a pleasantly mild, full-bodied flavor that shines in fresh salads, roasted applications, and vibrant sauces. Grow San Luis for dependable, 75-day harvests and a pepper that delivers both substance and a clean, sweet finish.

Light: Full SunMaturity: 75 DaysHabit: Bush

Botanical illustration of San Luis

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

MilestoneDate
Start IndoorsMar 7th
Last FrostApr 25th
Transplant / Sow OutdoorsJun 20th
Harvest BeginsSep 3rd
Harvest EndsOct 16th

Crop Details

TraitValue
Days to Maturity75
Sun RequirementsFull SunFull sun
Growth HabitBush
Support NeededStake
Planting DepthNormal
Germination Temp (°F)75
Min Soil Temp (°F)60
Min Night Temp (°F)50
Harden Off (days)10

Culinary Notes


Chef's Note

San Luis has thick, crisp walls that stay structured when roasted—so you get sweet, aromatic flesh instead of watery collapse. It’s mild enough for fresh chopping, but it caramelizes just enough heat to make sauces and roasted trays taste deliberately, not just peppery.

Best Uses

  • roast and char, then peel for silky-sweet slices in tacos or bowls
  • dice into bright salsas where it holds crunch and sweetness
  • stuff and bake for a meaty, crisp pepper bite
  • blend into thick, vibrant sauces where the pepper body prevents thinness

Flavor Profile

mild, sweet pepper flavor aromatic, deep-green vegetal perfume thick, crisp flesh with a clean, sweet finish gentle roast-sweetening without going smoky

Kitchen Pairings

lime garlic olive oil corn black beans queso fresco

Frequently Asked Questions


What disease is most common on Capsicum annuum (poblano-type “San Luis”) and how do I manage it?
A common issue is blossom-end rot and related calcium deficiency, often triggered by irregular watering during fruit set. Keep soil evenly moist from flowering through fruit development and avoid letting the soil swing between dry and soggy; mulch helps stabilize moisture. If you see dark, sunken ends, remove affected fruits and focus on consistent irrigation rather than adding lots of nitrogen.
How often should I water San Luis peppers during the main growing phase?
During flowering and fruiting, water when the top 1 inch of soil feels dry, aiming for consistently moist (not waterlogged) soil. Plan for about 1–2 deep waterings per week depending on heat and container size, and increase frequency during hot spells to prevent stress. Wet leaves or poor drainage can worsen Solanaceae problems, so water at the base and improve drainage if the bed stays soggy.
How can I tell when San Luis peppers are ready to harvest?
Harvest at about 75 days after transplanting when pods have reached full size and a glossy green color; for a more mature flavor, allow them to turn red on the plant. Gently lift or snip the stem—don’t yank, which can damage the plant. If fruit is still small or looks wrinkled, give it more time and maintain steady moisture.