GreenRX™ Madison • 4261 Lien Rd Ste R • Near East Towne Mall
THCA Madison
Wisconsin's Trusted Source for Premium Hemp-Derived THCA
✓ Madison 608 ✓ Sun Prairie ✓ Monona ✓ Fitchburg ✓ Waunakee ✓ McFarland ✓ Sauk City ✓ Cottage Grove
GreenRX™ is Madison's authority for lab-tested, Farm Bill compliant THCA. Located at 4261 Lien Rd Ste R — just off E Washington Ave near East Towne Mall and the Global Market — we serve the entire 608 area with the region's deepest THCA selection. Whether you're in Sun Prairie, Monona, Fitchburg, Waunakee, McFarland, Cottage Grove, Middleton, or right here on Madison's East Side, GreenRX™ is your closest and most trusted source. We offer fast local THC delivery throughout the greater Madison area. Stop in today — save 10% when you pay with cash.
What is THCA?
THCA (Tetrahydrocannabinolic Acid) is the non-psychoactive precursor to THC found in raw hemp flower. When heated through smoking, vaping, or dabbing — a process called decarboxylation — THCA converts to THC, producing potent effects comparable to traditional cannabis.
All GreenRX™ THCA products are 100% Farm Bill compliant, containing less than 0.3% Delta-9 THC by dry weight, and third-party lab tested. View COAs →
Farm Bill Compliant
2018 Hemp Farm Bill
3rd-Party Lab Tested
Every Batch Verified
Madison Local Stock
4261 Lien Rd • 608.630.9580
Shop by Category
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THCA Flower
Exotic Indoor Strains
Small-batch indoor genetics with elite aromatic profiles. The 608's deepest selection — rotating strains updated daily at our Madison Lien Rd store.
Shop Flower View Flower Menu → |
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THCA Pre-Rolls
Singles, 3-Pack & 10-Pack
Ready-to-smoke THCA joints in single, 3-pack, and 10-pack formats. Don't miss Joint of the Week™ — featured 1g pre-rolls for just $3.95.
Shop Pre-Rolls JOTW™ $3.95 → |
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Bulk Flower
By the Gram, 1/4oz & Ounces
Stock up and save big. Shop by the gram, make it a quarter, or go all-in with a full ounce. Best bulk THCA value in the 608 — rotating strains daily.
Shop Ounces By the Gram → |
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THCA Vapes
Disposables & 510 Carts
All-in-one THCA disposable pens and 510-thread cartridges. In-store pickup only per PACT Act. Available at our Madison, Sun Prairie, and Sauk City dispensaries.
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THCA Dabs & Concentrates
Live Resin, Badder & Diamonds
Premium THCA concentrates including Live Resin, Sugar Badder, and Liquid Diamonds from BlazedFrog™. The highest-potency THCA products in our Madison dispensary.
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BlazedFrog™ THCA Concentrates
Exclusive to GreenRX™ Madison • 4261 Lien Rd
BlazedFrog™ is GreenRX™ Madison's exclusive THCA concentrate brand. Live Resin Sugar Badder, Space Junky extracts, and premium dab products crafted for the most discerning 608 concentrate enthusiasts. Available only at our Lien Rd dispensary — stop in and ask our staff about current strains.
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Madison Pickup & Local Delivery
GreenRX™ is the closest THCA dispensary to Sun Prairie, Monona, Cottage Grove, McFarland, and Fitchburg. Pick up same-day at 4261 Lien Rd Ste R — right off E Washington Ave near East Towne Mall. Or let us come to you with fast local THC delivery across the entire 608.
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In-Store Pickup
4261 Lien Rd Ste R • Madison, WI 53704 Mon–Fri: 11:00am – 7:00pm Saturday: 11:00am – 4:00pm 608.630.9580 |
Delivery Coverage
Madison East Side Sun Prairie Monona Fitchburg Waunakee McFarland Cottage Grove Middleton
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Our Wisconsin Locations
GreenRX™ Madison
Near East Towne Mall & Global Market
4261 Lien Rd Ste R, Madison, WI 53704
Mon–Fri: 11:00am – 7:00pm
Saturday: 11:00am – 4:00pm
608.630.9580 Visit Store
GreenRX™ Sun Prairie
1025 Emerald Terrace, Sun Prairie, WI 53590
Mon–Fri: 11:00am – 7:00pm
Saturday: 11:00am – 4:00pm
608.318.0302 Visit Store
GreenRX™ Sauk City
815 Phillips Blvd, Sauk City, WI 53583
Mon–Fri: 11:00am – 7:00pm
Saturday: 11:00am – 4:00pm
608.370.6670 Visit Store
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