Allgold

Orange Sweet Potato

Zone 1b Save Garden

🌱 105d to harvest Vine

Sun-warmed orange flesh with a naturally sweet, honeyed aroma—Allgold sweet potatoes deliver a rich, velvety bite that feels tend…

Crop Dates

Milestone	Date
Start Indoors	Direct Sow
Last Frost	Jun 1st
Transplant / Sow Outdoors	Jun 1st
Harvest Begins	Sep 14th
Harvest Ends	Aug 1st

Crop Details

Trait	Value
Days to Maturity	105
Sun Requirements	Full Sun
Growth Habit	Vine
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	75
Min Soil Temp (°F)	65
Min Night Temp (°F)	55
Harden Off (days)	Not Required

Recommended Companions

Taishan Yellow Marigold

Frequently Asked Questions

Allgold: How do I control late blight and leaf spot if I see brown spots and fast leaf dieback?

Remove and discard any leaves showing brown, expanding lesions right away to slow spread. Improve airflow by spacing plants and watering at the base (not overhead), then treat with a copper-based fungicide labeled for tomatoes/potatoes at the first sign of spots and reapply according to label intervals. If conditions stay humid and new lesions keep appearing, switch to a different fungicide mode of action (per the label) to avoid treatment failure.

Allgold: How often should I water during the main growing phase to keep plants producing without disease?

Water deeply about 1–2 times per week, aiming to keep the root zone evenly moist but not soggy (about 1 inch of water total per week in typical conditions). Let the top 1 inch of soil dry slightly before watering again, and never water foliage—wet leaves raise the risk of blight/leaf spot. If you’re in hot weather or containers, check more often and water when the top inch is dry.

Allgold: When is it ready to harvest, and how can I tell by plant and fruit quality?

Harvest at about 105 days when fruits are fully colored for the variety and easily detach (or twist off with a clean stem end). For best flavor, pick when fruits are firm but not hard and the color is uniform—don’t wait for over-softening, which can lead to cracking and reduced shelf life. If vines are still green but fruit color is spot-on, you can harvest and finish ripening off the vine in a bright, warm spot for a few days.

Sun-warmed orange flesh with a naturally sweet, honeyed aroma—Allgold sweet potatoes deliver a rich, velvety bite that feels tender yet holds together beautifully. The tubers form with an even, attractive orange interior and smooth, easy-to-handle skins, making them a favorite for roasting and for creating silky purées and vibrant orange sauces. Grow Allgold for dependable, garden-to-table flavor at about 105 days to maturity, with the kind of color that signals peak sweetness.

Sowing Tips

Transplant Conditions

Wait until soil reaches 65°F and nights stay above 55°F before moving outdoors.

Expert Note

Confirm the exact crop type for “Allgold” in your seed packet (tomato vs pepper vs squash etc.), because timing offsets depend entirely on whether it’s a transplantable tender crop or a direct-sown one.