Roberts, MT cannabis price index
Flower in Roberts typically costs $8 per gram (average $7.95) — measured across 35 priced listings at 1 licensed dispensaries.
Comparable range $5.34–$10 per gram · index refreshed Sep 23, 2026
↑ See the statewide Montana flower price index
Roberts flower prices by package size
Averages of the real packages on Roberts menus — not a per-gram figure multiplied up.
| Size | Average | Lowest | Average per gram | Listings |
|---|---|---|---|---|
| Eighth (3.5g) | $31.50 | $28 | $9 | 6 |
| Quarter (7g) | $35.33 | $25 | $5.05 | 6 |
How this index is built
Each priced flower listing in Roberts whose package size is published on the menu is converted to a price per gram. Listings with no published size are excluded rather than estimated, which is why the listing count here is smaller than the total menu count.
Go deeper: cheapest weed in Roberts, cheap ounces, cheapest flower per gram, Roberts deals.
Figures come from licensed Montana dispensary menus and change constantly. Adults 21+ only.