High confidence
Exact registry match — this is a specific TTB COLA record. We found a strong match for this wine.
What to Expect
Discover Petite Sirah from ROSENBLUM CELLARS, an intriguing red variety planted widely in California. Known for its deep color, high tannin, and potential for long ageing, this grape appears frequently in the COLA registry as a California varietal wine and often used in blends.
Original editorial summary © 2026 Encyclopedia of Wine. All rights reserved; may not be reproduced without permission. Registry facts are public TTB data; brand names and label artwork remain the property of their respective producers.
| TTB ID | 20100001000706 |
|---|---|
| Brand name | ROSENBLUM CELLARS |
| Fanciful name | COWBOY |
| Class / type | — |
| Origin / appellation | — |
| Grape varietals | Petite Sirah |
| Approval date | Apr 13, 2020 |
| Status | APPROVED |
| Serial number | 200001 |
| Permit number | BW-CA-6190 |
| Producer name & address | SIMPSON MEADOW WINERY, WEST COAST ACQUISITION COMPANY 8492 ROAD 20 MADERA CA 93637 ROSENBLUM CELLARS (Used on label) |
| TTB record | View on TTB COLA Online → |
Official Source
TTB remains the source of record. Wine Grabber links each record back to the public COLA detail when available.
View official TTB record → Related Registry Pages
What would you like to do next?
Wine Grabber is a free public registry. Pick the path that fits you — your choice helps us learn what people come here for.
For wine drinkers
Understand & remember this wine
Scan, understand, save, and learn about this wine.
For wine businesses
Manage & monetize this wine data
Turn labels into clean product records, menus, shelf cards, ecommerce copy, and inventory-ready wine data.
Data sourced from the public TTB COLA Online registry. Wine Grabber is not affiliated with or endorsed by TTB.
Label images are being added for a growing share of records as we harvest them from TTB. Coverage is partial and growing. Coverage & Limitations →