DLTH ▼ -2.2% - Duluth Holdings Inc. $DLTH - Duluth Trading Co. Expands Its Heirloom Gardening Line, Built for Every Growing Season Duluth Holdings announced an expansion of its Heirloom Gardening Line today, though the stock fell 2.2%. The new product offerings are designed to serve gardeners across multiple seasons, marking a step into the gardening category for the outdoor apparel and gear retailer. 08-SEP-2026 09:00 AM ET