He settled near
Branxton, where Wyndham purchased the 2000 acres for £1,200, renaming it Dalwood after one of his father's farms at Dinton. In 1830 he planted the Australia's first commercial Shiraz vineyard. He named some of his wines in the language of the
Wonnarua people, such as
Bukkulla. The labour crisis of 1840 hit Dalwood hard. In 1845 Wyndham left Dalwood under the care of the manager. With his family, a few livestock and stock men, he traveled the
New England plateau to the
Richmond River went to Keelgryrah. In 1846 recrossed the Dividing Range, Wyndham took up a property of 40,000 acres near
Inverell named
Bukkulla as well as 30,000 acres in the Inverell district named and Nullamanna. In 1847 prices increased and they returned to Dalwood. Bukkulla was worked in conjunction with the Dalwood vineyard. His son John eventually took over management. Wyndham describes planting and tending his crops, weather conditions, the building and maintenance of his property, and relationships with family, workers and the Indigenous people. Wyndham's legacy is as a significant pioneer of the wine industry in Australia, due to his ability to find the best grapes to suit the local area and conditions. == Political career ==