We use cookies for certain features and to improve your experience. See our Cookie Policy and Privacy Policy to learn more
advertise on Leafly
ShopDispensariesDeliveryDealsStrainsBrandsProductsLeafly PicksCBDDoctorsCannabis 101Social impact
  • Sign in
  • Create account
  • Strains
  • Shop
  • Shop
  • Dispensaries
  • Delivery
  • Deals
  • CBD Stores
  • Brands
  • Products
  • Leafly Picks
  • Learn
  • Cannabis 101
  • News
  • Leafly Learn
  • Science of cannabis
  • Doctors
  • Social impact
  • Lab partners
  • Download the Leafly App
  • Advertise on Leafly
    • Leafly.comUSA flag
    • Leafly.caCanadian flag
  • Help
Logo for Key Cannabis - O’Fallon
Logo for Key Cannabis - O’Fallon
DISPENSARY
RECREATIONAL

Key Cannabis - O’Fallon

St. Charles, MO
0.0
419.5 miles away
aboutdirectionscall
Loading...
mainmenudealsreviews
781 products | Last updated: 6 minutes ago

Shop by category

  • Loading...
    flower
  • Loading...
    concentrate
  • Loading...
    edible
  • Loading...
    cartridge
  • Loading...
    pre-roll
  • Loading...
    topical
  • Loading...
    accessory
  • Loading...
    other

ILLICIT

Sponsored products

ILLICIT - GUMMIES - 200MG CBN / 200MG CBD / 100MG THC - 10PK - PEACHES & DREAM 2:2:1 - INDICA

Edible·THC 96.11mgCBD -
$20.00each

ILLICIT - PREPACK - 3.5G - MAX AC - HYBRID

Hybrid flower·THC 26.12%CBD 0%
$40.001/8 ounce

ILLICIT - POPCORN - 7G - DR. FUNKENSTEIN - HYBRID

Hybrid flower·THC 28.01%CBD 0.06%
$75.001/4 ounce

ILLICIT - PREPACK - 14G - GMO COOKIES - INDICA

Hybrid flower·THC 24.72%CBD -
$140.001/2 ounce

shop all

Weed deals

  • 3 FOR $119 | Min-E-Bar 1g Disposable Vapes image
    3 for $119.00
     
    3 FOR $119 | Min-E-Bar 1g Disposable Vapes
    Available daily
  • 3 For $99 | Select Brands* 1g Distillate Vape Cart image
    3 for $99.00
     
    3 For $99 | Select Brands* 1g Distillate Vape Cart
    Available daily until 8/31
  • 3 FOR $99 | Elevate 0.5g Min-E-Bars image
    3 for $99.00
     
    3 FOR $99 | Elevate 0.5g Min-E-Bars
    Available daily

Flower

show all
  • Best seller
    FLORA FARMS - PREPACK - 3.5G - LAVENDER JONES - HYBRID
    Hybrid flower

    FLORA FARMS - PREPACK - 3.5G - LAVENDER JONES - HYBRID

    by Flora Farms

    THC 19.41%
    CBD 0%
    1/8 ounce
    $30.00
  • Best seller
    FLORA FARMS - PREPACK - 14G - 24K GOLD X KOSHER TANGIE - HYBRID
    Hybrid flower

    FLORA FARMS - PREPACK - 14G - 24K GOLD X KOSHER TANGIE - HYBRID

    by Flora Farms

    THC 24.29%
    CBD 0%
    1/2 ounce
    $90.00
  • Best seller
    FLORA FARMS - PREPACK - 14G - GASTRO POP - INDICA
    Hybrid flower

    FLORA FARMS - PREPACK - 14G - GASTRO POP - INDICA

    by Flora Farms

    THC 20.44%
    CBD 0%
    1/2 ounce
    $90.00
  • CURIO - PREPACK - 3.5G - FUJI - HYBRID
    Flower

    CURIO - PREPACK - 3.5G - FUJI - HYBRID

    by Curio Wellness

    THC 26.54%
    CBD 0%
    1/8 ounce
    $25.00
  • CURIO - PREPACK - 3.5G - SUPER LEMON HAZE - SATIVA
    Sativa flower

    CURIO - PREPACK - 3.5G - SUPER LEMON HAZE - SATIVA

    by Curio Wellness

    THC 26.8%
    CBD 0%
    1/8 ounce
    $25.00
  • FLORA FARMS - PREPACK - 3.5G - GARY PAYTON X FISH SCALES
    Hybrid flower

    FLORA FARMS - PREPACK - 3.5G - GARY PAYTON X FISH SCALES

    by Flora Farms

    THC 19.41%
    CBD 0%
    1/8 ounce
    $30.00
  • CURIO - EXCLUSIVE - PREPACK - 3.5G - HYPNOTIK - HYBRID
    Flower

    CURIO - EXCLUSIVE - PREPACK - 3.5G - HYPNOTIK - HYBRID

    by Curio Wellness

    THC 26.49%
    CBD 0%
    1/8 ounce
    $35.00
  • CURIO - EXCLUSIVE - PREPACK - 3.5G - FUNK BOMB - SATIVA
    Flower

    CURIO - EXCLUSIVE - PREPACK - 3.5G - FUNK BOMB - SATIVA

    by Curio Wellness

    THC 22.64%
    CBD 0%
    1/8 ounce
    $35.00
show all

Shop by strain type

  • Loading...indica
  • Loading...sativa
  • Loading...hybrid

Concentrate

show all
  • New
    LOCAL - BADDER LIVE - 1G - HASH BURGER - INDICA
    Concentrate

    LOCAL - BADDER LIVE - 1G - HASH BURGER - INDICA

    by Local Cannabis Co.

    THC 71.01%
    CBD -
    each
    $40.00
  • Best seller
    AMAZE - ROSIN LIVE - 1G - FLORIDA PURPLE - SATIVA
    Concentrate

    AMAZE - ROSIN LIVE - 1G - FLORIDA PURPLE - SATIVA

    by AMAZE Cannabis

    THC 75.09%
    CBD 0.42%
    each
    $60.00
  • INFINITY - SHATTER - 1G - BUFF MAC - HYBRID
    Concentrate

    INFINITY - SHATTER - 1G - BUFF MAC - HYBRID

    by Nuthera

    THC 72.7%
    CBD 0.14%
    each
    $35.00
  • AMAZE - HASHISH - 1G - BLOCKBERRY - INDICA HYBRID
    Concentrate

    AMAZE - HASHISH - 1G - BLOCKBERRY - INDICA HYBRID

    by AMAZE Cannabis

    THC 66.52%
    CBD 0.32%
    each
    $50.00
  • AMAZE - HASHISH - 1G - TRIPLE BURGER - INDICA
    Concentrate

    AMAZE - HASHISH - 1G - TRIPLE BURGER - INDICA

    by AMAZE Cannabis

    THC 68.17%
    CBD 0.48%
    each
    $50.00
  • New
    AMAZE - ROSIN LIVE - 1G - APPLE SODA - HYBRID
    Concentrate

    AMAZE - ROSIN LIVE - 1G - APPLE SODA - HYBRID

    by AMAZE Cannabis

    THC 70.51%
    CBD 0.44%
    each
    $60.00
  • VIBE - BADDER LIVE - 1G - SUNDAY BRUNCH - HYBRID
    Concentrate

    VIBE - BADDER LIVE - 1G - SUNDAY BRUNCH - HYBRID

    by Royal Vibes Cannabis

    THC 74.2%
    CBD 0.31%
    each
    $40.00
  • VIBE - BADDER LIVE - 1G - MOMOCHI - HYBRID
    Concentrate

    VIBE - BADDER LIVE - 1G - MOMOCHI - HYBRID

    by Royal Vibes Cannabis

    THC 70.04%
    CBD 0.12%
    each
    $40.00
show all

Edible

show all
  • DOSD - NANO BITES - GUMMIES - 100MG THC / 100MG CBD - 10PK - PINA COLADA 1:1
    Edible

    DOSD - NANO BITES - GUMMIES - 100MG THC / 100MG CBD - 10PK - PINA COLADA 1:1

    by DŌSD Edibles

    THC 103.8mg
    CBD 0.23%
    each
    $12.00
  • DOSD - NANO BITES - GUMMIES - 100MG THC / 100MG CBD - 10PK - RASPBERRY 1:1
    Edible

    DOSD - NANO BITES - GUMMIES - 100MG THC / 100MG CBD - 10PK - RASPBERRY 1:1

    by DŌSD Edibles

    THC 104.1mg
    CBD 0.23%
    each
    $12.00
  • DOSD - NANO BITES - GUMMIES - 100MG - 10PK - OZARK DEW
    Edible

    DOSD - NANO BITES - GUMMIES - 100MG - 10PK - OZARK DEW

    by DŌSD Edibles

    THC 104.1mg
    CBD 0%
    each
    $12.00
  • DOSD - NANO BITES - GUMMIES - 100MG - 10PK - PINKBURST
    Edible

    DOSD - NANO BITES - GUMMIES - 100MG - 10PK - PINKBURST

    by DŌSD Edibles

    THC 109.7mg
    CBD 0%
    each
    $12.00
  • CURIO - CHEWS - 100MG - 10PK - WHITE PEACH
    Edible

    CURIO - CHEWS - 100MG - 10PK - WHITE PEACH

    by Curio Wellness

    THC 91.23mg
    CBD 0%
    each
    $14.00
  • New
    CURIO - CHEWS - 100MG - 20PK - THRIVE - MANGO MOMENTUM
    Edible

    CURIO - CHEWS - 100MG - 20PK - THRIVE - MANGO MOMENTUM

    by Curio Wellness

    THC 105.57mg
    CBD 0%
    each
    $15.00
  • CURIO - CHEWS - 100MG - 20PK - CHILL - TRANQUIL BERRY BLISS
    Edible

    CURIO - CHEWS - 100MG - 20PK - CHILL - TRANQUIL BERRY BLISS

    by Curio Wellness

    THC 107.79mg
    CBD 0%
    each
    $15.00
  • CURIO - CHEWS - 100MG - 20PK - PAIN - SOOTHING LEMON LIME
    Edible

    CURIO - CHEWS - 100MG - 20PK - PAIN - SOOTHING LEMON LIME

    by Curio Wellness

    THC 97.16mg
    CBD 0%
    each
    $15.00
show all

Cartridge

show all
  • LOCAL - DISPOSABLE RESIN LIVE - 1G - HASH BURGER - HYBRID
    Cartridge

    LOCAL - DISPOSABLE RESIN LIVE - 1G - HASH BURGER - HYBRID

    by Local Cannabis Co.

    THC 75.81%
    CBD -
    each
    $60.00
  • Best seller
    CURIO - CART DISTILLATE - 1G - BLUEBERRY COOKIES - HYBRID
    Cartridge

    CURIO - CART DISTILLATE - 1G - BLUEBERRY COOKIES - HYBRID

    by Curio Wellness

    THC 78.73%
    CBD 0%
    each
    $40.00
    3 for $99.00
  • New
    FLORA FARMS - DISPOSABLE DISTILLATE - 0.5G - PURPLE URKLE - INDICA
    Cartridge

    FLORA FARMS - DISPOSABLE DISTILLATE - 0.5G - PURPLE URKLE - INDICA

    by Flora Farms

    THC 83.18%
    CBD 0.19%
    each
    $30.00
  • New
    INFINITY - CART RESIN LIVE - 0.5G - TROP CHEESE - HYBRID
    Cartridge

    INFINITY - CART RESIN LIVE - 0.5G - TROP CHEESE - HYBRID

    by Nuthera

    THC 75.31%
    CBD 0%
    each
    $30.00
  • CURIO - CART DISTILLATE - 1G - JACK HERER - SATIVA
    Cartridge

    CURIO - CART DISTILLATE - 1G - JACK HERER - SATIVA

    by Curio Wellness

    THC 81.3%
    CBD 0%
    each
    $40.00
    3 for $99.00
  • CURIO - CART DISTILLATE - 1G - PURPLE KUSH - HYBRID
    Cartridge

    CURIO - CART DISTILLATE - 1G - PURPLE KUSH - HYBRID

    by Curio Wellness

    THC 79.63%
    CBD 0%
    each
    $40.00
    3 for $99.00
  • CURIO - CART DISTILLATE - 1G - MANGO KUSH - HYBRID
    Cartridge

    CURIO - CART DISTILLATE - 1G - MANGO KUSH - HYBRID

    by Curio Wellness

    THC 80.81%
    CBD 0%
    each
    $40.00
    3 for $99.00
  • CURIO - CART DISTILLATE - 1G - SOUR DIESEL - SATIVA
    Cartridge

    CURIO - CART DISTILLATE - 1G - SOUR DIESEL - SATIVA

    by Curio Wellness

    THC 79.44%
    CBD 0%
    each
    $40.00
    3 for $99.00
show all

Pre-roll

show all
  • TWENTY TWENTY - PREROLL - 1G - HASH BURGER - INDICA
    Preroll

    TWENTY TWENTY - PREROLL - 1G - HASH BURGER - INDICA

    by TWENTY TWENTY

    THC 20%
    CBD 0%
    each
    $10.00
  • TWENTY TWENTY - PREROLL - 0.5G - 5PK - HASH BURGER - INDICA
    Preroll

    TWENTY TWENTY - PREROLL - 0.5G - 5PK - HASH BURGER - INDICA

    by TWENTY TWENTY

    THC 24.11%
    CBD 0%
    each
    $30.00
  • Best seller
    CURIO - EXCLUSIVE - PREROLL - 0.5G - 2PK - GLITTER BOMB - INDICA
    Preroll

    CURIO - EXCLUSIVE - PREROLL - 0.5G - 2PK - GLITTER BOMB - INDICA

    by Curio Wellness

    THC 24.75%
    CBD 0%
    each
    $12.00
  • NUTHERA - PREROLL INFUSED - 0.5G - PUFFINGHAM PALACE - ENGLAND - HYBRID
    Preroll

    NUTHERA - PREROLL INFUSED - 0.5G - PUFFINGHAM PALACE - ENGLAND - HYBRID

    by Nuthera

    THC -
    CBD -
    each
    $7.00
  • New
    NUTHERA - PREROLL INFUSED - 0.5G - CASBAH KUSH - ALGERIA - INDICA
    Preroll

    NUTHERA - PREROLL INFUSED - 0.5G - CASBAH KUSH - ALGERIA - INDICA

    by Nuthera

    THC -
    CBD -
    each
    $7.00
  • AMAZE - PREROLL - 0.5G - GUSH MINTS - INDICA
    Preroll

    AMAZE - PREROLL - 0.5G - GUSH MINTS - INDICA

    by AMAZE Cannabis

    THC 24.46%
    CBD 0%
    each
    $8.00
  • New
    FLORA FARMS - CHEERS - PREROLL - 1G - OREOZ - INDICA
    Preroll

    FLORA FARMS - CHEERS - PREROLL - 1G - OREOZ - INDICA

    by Flora Farms

    THC 21.26%
    CBD 0%
    each
    $8.50
  • New
    FLORA FARMS - CHEERS - PREROLL - 1G - KEY LIME GELATO - INDICA
    Preroll

    FLORA FARMS - CHEERS - PREROLL - 1G - KEY LIME GELATO - INDICA

    by Flora Farms

    THC 23.89%
    CBD 0%
    each
    $8.50
show all

Topical

  • CHILL MEDICATED - TOPICALS - 1100MG THC / 1000MG CBD - SUBZERO MUSCLE FREEZ ROLL-ON
    Topical

    CHILL MEDICATED - TOPICALS - 1100MG THC / 1000MG CBD - SUBZERO MUSCLE FREEZ ROLL-ON

    by Chill Medicated

    THC 1139.71mg
    CBD -
    each
    $90.00
  • MARY'S MEDICINALS - TOPICALS - 20MG - PATCH TRANSDERMAL - ENERGY - SATIVA
    Topical

    MARY'S MEDICINALS - TOPICALS - 20MG - PATCH TRANSDERMAL - ENERGY - SATIVA

    by Mary's Medicinals

    THC 20.12mg
    CBD -
    each
    $10.00
  • MARY'S MEDICINALS - TOPICALS - 500MG THC / 500MG CBD - 1OZ - 1:1 COMPOUND RELIEF
    Topical

    MARY'S MEDICINALS - TOPICALS - 500MG THC / 500MG CBD - 1OZ - 1:1 COMPOUND RELIEF

    by Mary's Medicinals

    THC 523.63mg
    CBD 614.92mg
    each
    $60.00
  • MARY'S MEDICINALS - TOPICALS - 100MG CBD / 100MG THC - 10PK - PATCH TRANSDERMAL - RELIEF
    Topical

    MARY'S MEDICINALS - TOPICALS - 100MG CBD / 100MG THC - 10PK - PATCH TRANSDERMAL - RELIEF

    by Mary's Medicinals

    THC 105.97mg
    CBD 122.3mg
    each
    $60.00

Accessory

show all
  • ZIG ZAG - CONES - 1-1/4" - 6PK - ULTRA THIN
    Accessory

    ZIG ZAG - CONES - 1-1/4" - 6PK - ULTRA THIN

    by ZIG-ZAG

    THC -
    CBD -
    each
    $2.50
  • Unbleached 1 1/4 Cones
    Accessory

    Unbleached 1 1/4 Cones

    by ZIG-ZAG

    THC -
    CBD -
    each
    $2.50
  • ZIG ZAG - PAPERS - KING SIZE
    Accessory

    ZIG ZAG - PAPERS - KING SIZE

    by ZIG-ZAG

    THC -
    CBD -
    each
    $3.00
  • GRAV - OCTO-TASTER WITH SILICONE SKIN - 12MM - GREEN
    Accessory

    GRAV - OCTO-TASTER WITH SILICONE SKIN - 12MM - GREEN

    by GRAV

    THC -
    CBD -
    each
    $12.00
  • GRAV - OCTO-TASTER WITH SILICONE SKIN - 12MM - BLACK
    Accessory

    GRAV - OCTO-TASTER WITH SILICONE SKIN - 12MM - BLACK

    by GRAV

    THC -
    CBD -
    each
    $12.00
  • GRAV - OCTO-TASTER WITH SILICONE SKIN - 16MM - BLUE
    Accessory

    GRAV - OCTO-TASTER WITH SILICONE SKIN - 16MM - BLUE

    by GRAV

    THC -
    CBD -
    each
    $14.00
  • GRAV - OCTO-TASTER WITH SILICONE SKIN - 16MM - AVOCADO GREEN
    Accessory

    GRAV - OCTO-TASTER WITH SILICONE SKIN - 16MM - AVOCADO GREEN

    by GRAV

    THC -
    CBD -
    each
    $14.00
  • GRAV - GLASS - GANDALFINI SHERLOCK - AMBER
    Accessory

    GRAV - GLASS - GANDALFINI SHERLOCK - AMBER

    by GRAV

    THC -
    CBD -
    each
    $20.00
show all

Other

show all
  • KEY - BEANIE - CLASSIC LOGO - FOREST GREEN - OS
    Other

    KEY - BEANIE - CLASSIC LOGO - FOREST GREEN - OS

    by Key

    THC -
    CBD -
    each
    $15.00
  • KEY - HAT - LOGO - NAVY - OS
    Other

    KEY - HAT - LOGO - NAVY - OS

    by Key

    THC -
    CBD -
    each
    $18.00
  • KEY - HAT - KC 2TONE - RED/YELLOW - OS
    Other

    KEY - HAT - KC 2TONE - RED/YELLOW - OS

    by Key

    THC -
    CBD -
    each
    $25.00
  • KEY - HAT - DOPE - KHAKI - OS
    Other

    KEY - HAT - DOPE - KHAKI - OS

    by Key

    THC -
    CBD -
    each
    $26.00
  • KEY - HAT - LOGO ROPE - KHAKI - OS
    Other

    KEY - HAT - LOGO ROPE - KHAKI - OS

    by Key

    THC -
    CBD -
    each
    $27.00
  • ELEVATE - EXPERIENCE JOURNAL
    Other

    ELEVATE - EXPERIENCE JOURNAL

    by Elevated

    THC -
    CBD -
    each
    $8.00
  • GOOD GOOD - DOG TREATS - 50MG CBD - 5PK - PEANUT BUTTER
    Other

    GOOD GOOD - DOG TREATS - 50MG CBD - 5PK - PEANUT BUTTER

    by Good Good Farm

    THC -
    CBD 50mg
    each
    $8.00
  • VLASIC LABS - PETS - 20MG CBD - 4PK - DOG CHEW - BEEF
    Other

    VLASIC LABS - PETS - 20MG CBD - 4PK - DOG CHEW - BEEF

    by VLASIC LABS

    THC -
    CBD 20mg
    each
    $9.00
show all

You recently viewed

  • Loading...
  • Loading...
  • Loading...
  • Loading...
shop all products

About this dispensary

Key Cannabis - O’Fallon

Welcome to Key Cannabis Dispensary in O’Fallon, MO! Take advantage of our convenient drive-thru and online ordering for easy access to top-quality cannabis products. Located on State Road North off exit 364 from Hwy K, we proudly serve O’Fallon with a comprehensive selection of medical and recreational cannabis. Our inventory includes a wide variety of cannabis strains, pre-rolls, vapes & carts, concentrates, edibles, tinctures, CBD, and more. Whether you're seeking relief or relaxation, our knowledgeable and friendly budtenders are here to guide you through our offerings and provide personalized recommendations. At Key Cannabis Dispensary O'Fallon, we strive to create a welcoming and inclusive environment for all our customers.

Leafly member since 2026
  • 6700 Hwy N, St. Charles, MO
  • call (636) 720-9830
  • visit website
  • send an email
  • Followers: 1
  • cash
  • License DIS000064
  • ATMStorefrontADA accessibleVeteran discountRecreational

Hours and Info (CT)

friday
8am - 11:30pm
saturday
8am - 11:30pm
sunday
8am - 9:30pm
monday
8am - 9:30pm
tuesday
8am - 9:30pm
wednesday
8am - 9:30pm
thursday
8am - 11:30pm

pickup Info

Today’s hours
available until 11:30pm CT
TimeSame dayPaymentCash

Photos of Key Cannabis - O’Fallon

Promotions at Key Cannabis - O’Fallon

Loading...
Loading...
Loading...

Updates from Key Cannabis - O’Fallon

Loading...
Loading...
Loading...

Ratings and reviews of Key Cannabis - O’Fallon

No reviews yet
Tried this location? Help out the community by sharing your experience.
write a review
  1. Home
  2. Dispensaries
  3. Missouri
  4. Saint Charles
  5. Key Cannabis - O’Fallon


Stay In Touch

Receive updates on new products, special offers, and industry news.

Something went wrong, please try again.

By providing us with your email address, you agree to Leafly’s Terms of Service and Privacy Policy.

Leafly mobile app
Get high for less.
Download the Leafly app.
Download Leafly: Marijuana Reviews on the App StoreDownload Leafly Marijuana Reviews on Google Play

Business Solutions
  • List your store
  • List your CBD store
  • List your brand
  • List your practice
  • Business log in
Business Solutions
  • List your store
  • List your CBD store
  • List your brand
  • List your practice
  • Business log in

About Leafly
  • About us
  • Careers
  • Investor relations
  • Contact us
  • FAQs
  • Accessibility
About Leafly
  • About us
  • Careers
  • Investor relations
  • Contact us
  • FAQs
  • Accessibility

Privacy & Terms
  • Terms of use
  • Commercial terms of use
  • Privacy policy
  • Do not sell my personal information
Privacy & Terms
  • Terms of use
  • Commercial terms of use
  • Privacy policy
  • Do not sell my personal information

* Statements made on this website have not been evaluated by the U.S. Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease. Information provided by this website or this company is not a substitute for individual medical advice.


© 2026 Leafly, LLC
Leafly and the Leafly logo are registered trademarks of Leafly, LLC. All Rights Reserved.