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Sweet Potato Scurf: Cosmetic Only, No Chemical Cure

Black skin on 5% of sweet potatoes is scurf, a soil-borne fungus. It doesn't affect eating quality—scrape off and cook normally. No fungicide treatment. Prevent by planting certified disease-free slips in clean fields, and avoid infested fields for 3+ years.

About Gardening: Overwintering Sweet Potato Vine Indoors: Easy in Sunny Spot; Growing Potatoes: Staple Crop with Endless Variety; Growing Sweet Potatoes: Tropical Roots for Northern Gardens Too; How to Grow Sweet Potatoes: Planting, Care, and Harvest Guide; Growing Giant Sweet Potatoes: Easy Culture, Impressive Harvests; The Science of Curing Sweet Potatoes for Maximum Sweetness; Curing Sweet Potatoes: Why Sun-Drying Beats Kiln Drying; Growing Sweet Potato Slips: A Complete Guide for Home Gardeners; Planting Potatoes: Sweet vs. White—Different Biology; Managing Vigorous Ornamental Sweet Potato Vines in the Landscape

Garden Articles

How to Turn Sprouted Sweet Potatoes into Planting Slips

Curing and Storing Sweet Potatoes from Container Harvests

Potato Plants Producing Tomato-Like Fruit: Solanaceae Surprise

Growing Sweet Potatoes in Northern Minnesota: Slips, Timing, and Deer Resistance

Growing Sweet Potatoes in Southern Minnesota: Is It Possible?

Fertilizing 'Beauregard' Sweet Potatoes: Medium Feeder Schedule

Ornamental Sweet Potato Tubers: Edible But Not Tasty

Plants

Wireworm Damage in Sweet Potatoes: Identification and Cultural Control Methods

Sprouting, Soft Potatoes Won't Make Good Seed

Cushaw vs. Thelma Sanders Sweet Potato Squash

Potato Varieties for Georgia: Why 'Shepody' Failed and What to Plant Instead

Storing and Propagating Ornamental Sweet Potato Tubers

Growing Potatoes in a Stack of Tires: A Space-Saving Method

Wireworms in Sweet Potatoes: Identification and Management