SW
Sweet Potato
SWEET puh-TAY-toh • tuberous root
🟢 Non-Climacteric (Vine Only)
🛡 Low Ethylene
How to Tell if Sweet Potato is Ripe
Store CheckSweet Potato is a non-climacteric fruit and does NOT ripen after being picked. It will only soften or rot. Buy it ready to eat.
👁 Visual Checks
- Look for uniform color without green under-tones
- Check for matte/dull skin rather than shiny plastic finish
- Look for natural sugar spots or field marks
✋ Tactile & Aroma
- Heft: Should feel heavy for its size (indicates juice content)
- Give: Slight yield under gentle palm pressure, never thumb poking
- Aroma: Fragrant sweet smell at the stem end
How to Store Sweet Potato
Optimal Spot
pantry
Shelf Life (Ripe)
14–30 Days
Ethylene Sensitivity
High (Isolate)
Storage Protocol: Store immediately in the refrigerator crisper drawer. Keep away from high ethylene emitters like bananas and apples.
Peak Seasonality & Harvest Geography
USDA / AMS Verified
Harvested in autumn; cured tubers are available year-round with peak quality in autumn and winter.
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Global Growing Geography:
Warm-temperate and tropical regions globally, led by China, Malawi, Tanzania, Japan, and the US (North Carolina, California)
Common Varieties & PLU Codes
| Variety Name | PLU Codes | Characteristics |
|---|---|---|
| Japanese Satsumaimo | 4091 | Standard commercial supermarket cultivar |
| Jewel / Garnet (Orange) | 4816 | Standard commercial supermarket cultivar |
| Okinawan Purple | — | Standard commercial supermarket cultivar |
Kitchen Pairings & Chef Hacks
Flavor Pairings
ButterMisoCinnamonBrown SugarSoy SauceGingerSesame Seeds
Chef Hacks & Prep Tricks
💡 Slow-Bake Yaki-Imo: Roast whole at 375°F (190°C) for 75 minutes—slow heat activates amylase enzymes to turn starches into honeyed syrup.
💡 Do Not Peel Satsumaimo: The thin purple skin caramelizes when roasted and adds valuable fiber and texture.
Pocket Encyclopedia
Never buy under-ripe fruit again.
Carry tactile ripeness indicators, PLU barcode decoders, seasonal radar, and ethylene storage charts offline in your pocket.
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Compare sweetness, sugar content, and glycemic indicators against other fruits.