About Diamondback Ridge

About us

We entered the wine grape world in 2005 with a ten-acre block in the Rattlesnake Hills AVA that became Bosma Estate Vineyard. A decade later, three miles uphill, we cleared virgin sagebrush on the outer edge of cultivated farmland to plant Diamondback Ridge. We still live by our mantra: good fruit makes good wine, great fruit makes great wine.

Craft

Sustainable, all-hand farming

Diamondback Ridge is planted on 8 × 5-foot spacing to lower yields and intensify flavor. Every cane is pruned, each leaf thinned, and every cluster harvested entirely by hand, with no mechanical shortcuts. Sand-and-gravel sub-soils drain freely yet hold just enough moisture, and precision drip lines deliver only the water each vine needs.

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Rattlesnake Hills AVA terroir

A ridge that shapes flavor

A south-facing slope of fractured basalt and silt loam climbs to 1,410 feet, gathering warmth and excellent air drainage. The hillside fans into gentle east- and west-facing fingers, so each varietal gets the morning or afternoon sun it needs. Rows run either true north–south or 22° off true north, fine-tuning light and airflow for balanced, concentrated berries.

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Jake's arm and hands pictured as he inspects wine grapes at verasion section of the Diamondback Grapes Vineyard.

Possibilities

Six Cab clones & beyond

Across both vineyards you’ll find about 60 total acres of vines and 18 varietals, all grown with the same hands-on care. Play with six Cabernet Sauvignon clones and two Malbec clones, which are ideal for layered blends or single-clone bottlings.

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Ready to get started?

Craft your next award‑winner—reserve Diamondback Ridge grapes today.

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