April 20th is not just a high-traffic day for dispensaries. For most licensed cannabis retailers, 4/20 week is the single highest-revenue period of the year, sometimes generating 3 to 5 times a normal week's volume in seven days. That concentration of demand is an enormous opportunity and an equally enormous logistical and marketing challenge.
The dispensaries that generate the most from 4/20 are not the ones that run the biggest discount. They are the ones that build their list in advance, communicate the right offer to the right customer at the right moment, maximize loyalty enrollment during the surge, and then execute a retention sequence that converts first-time 4/20 visitors into year-round regulars. This guide covers every phase of that process.
Why 4/20 Is a Marketing Event, Not Just a Sales Event
Most dispensaries treat 4/20 as a promotions problem. What discount do we run? What deals do we put on signage? This framing misses most of the revenue opportunity. 4/20 is a marketing event in the same way that Black Friday is a marketing event for retailers. The discount is the least interesting part. The list building, the pre-event communication, the opening day execution, and the post-event retention follow-through are where the real money is made or lost.
4/20 brings a specific type of customer into your store that you rarely see the rest of the year: the occasional buyer who visits for the holiday and then might not return for weeks or months unless you do something specific to bring them back. If you capture their contact information, enroll them in your loyalty program, and deploy the right retention sequence in the following 30 days, a meaningful percentage of those occasional visitors become regulars. If you do nothing, they disappear until the next cannabis holiday.
The 4/20 math that most dispensaries miss: If 400 extra customers visit during 4/20 week and you enroll 60% of them in your loyalty program, you have added 240 new loyalty members. At an average customer lifetime value of $800 per year for loyalty members, those 240 enrollments represent $192,000 in future annual revenue, acquired entirely during a single promotional window. The 4/20 discount you ran to attract them is almost irrelevant by comparison.
Phase One: 30 Days Before 4/20
The pre-event period is when you build the audience that your 4/20 campaigns will reach. A dispensary that starts marketing on April 19th is already behind. The work that determines how much revenue you generate on April 20th happens in the 30 days prior.
Build Your Pre-420 List
Launch a pre-registration campaign at 30 days out. A dedicated landing page offering early access to your 4/20 deals, a bonus loyalty enrollment offer for pre-registrants, or a first look at your exclusive 4/20 product drops. This list becomes your highest-converting send on April 18th and 19th. People who pre-register for 4/20 deals have demonstrated explicit purchase intent before the holiday even arrives.
Audit Your Competitors
At 21 days out, research every competitor's 4/20 offer from the previous year and any current promotions they have announced. Your 4/20 offer needs to be specifically better in at least one visible dimension. Not marginally better. Visibly, obviously better in a way that gives undecided customers a reason to choose your store over the three others they are considering.
Configure Your Loyalty Enrollment Push
Your loyalty enrollment offer for 4/20 should be your biggest enrollment incentive of the year. Triple points on all 4/20 week purchases. A guaranteed first-visit reward for anyone who enrolls during the week. A 4/20 exclusive tier status upgrade for members who hit a spending threshold. Whatever you choose, configure it in your platform, which means in Alpine IQ, SpringBig, or Dutchie, at least two weeks before the event so your team can train on it and your communications can reference it accurately.
Plan Your Staff and Operations
A marketing plan for 4/20 that leads to overwhelmed staff, long lines, and frustrated customers will produce the opposite of the retention effect you are trying to create. Staff for the volume you expect based on previous year data, not the volume you hope for. A customer who waits 45 minutes in line on 4/20 is not enrolling in your loyalty program. They are writing a negative Google review.
Phase Two: The 4/20 Campaign Cadence
Here is the exact send schedule that performs best across our dispensary client base. Every send below should be compliance-reviewed before scheduling.
Phase Three: In-Store Execution on 4/20
The marketing work brings customers in. What happens in the store determines whether they come back. These are the non-negotiable in-store elements for 4/20 execution.
Loyalty Enrollment at Every Transaction
Train every budtender to ask about loyalty at every transaction on 4/20 and 4/20 week. Not as an afterthought at the end of checkout. As the second thing they say after the greeting. "Are you in our loyalty program? Today you get triple points for signing up, which means your first reward comes after your next two visits." The 4/20 enrollment bonus gives budtenders a specific and compelling reason to ask. Use it.
Signage That Communicates the Enrollment Value
Every display surface in your dispensary should be showing the enrollment offer on 4/20. Not just a loyalty program sign. A specific calculation. "Sign up today: earn 3x points all week. That is worth $X in free product on your next visit." Make the math visible. Customers who see the value clearly enroll at dramatically higher rates than customers who see a generic "join our loyalty program" sign.
Capture Contact Information at Checkout
Every customer who purchases but does not enroll in loyalty should at minimum give an email address or mobile number. Even without full loyalty enrollment, capturing contact information during the 4/20 volume surge gives you a list to market to after the holiday. A post-4/20 email to contacts who purchased but did not enroll, offering a delayed loyalty bonus for joining within the next 7 days, typically captures 15 to 25% of that holdout group.
Google Review Requests
4/20 is the highest-traffic period you will have all year. A post-purchase automated SMS asking for a Google review should fire within 24 hours of every purchase made during the week. If 10% of your 4/20 week customers leave a Google review, and you do 500 transactions, that is 50 new reviews from a single week. Google reviews compound over time and drive ongoing organic discovery for months after the holiday.
Phase Four: The Post-4/20 Retention Sequence
This is the most underutilized phase of 4/20 marketing. Most dispensaries do nothing systematic after the holiday and watch the traffic spike disappear within two weeks. The post-4/20 retention sequence is what converts the spike into permanent revenue growth.
- Day 3 after 4/20: Welcome series fires automatically for every new loyalty member enrolled during the week. Loyalty balance confirmation, explanation of how to redeem, and a specific product recommendation based on their purchase category. This message makes the enrollment feel real and reinforces the value of the program at the moment when new members are most engaged.
- Day 7: Near-reward trigger for every 4/20 enrollee who is within 50 to 100 points of their first reward. "You are 45 points away from your first reward. Come in this week and you will hit it." This is the single most effective retention trigger available. Someone who enrolled on 4/20 and comes back within 10 days to hit their first reward milestone has a significantly elevated probability of becoming a regular.
- Day 14: Product follow-up email segmented by 4/20 week purchase category. Flower buyers get a new arrival email featuring the strains most similar to what they bought. Edibles buyers get an edibles feature. Concentrate buyers get concentrates. Personalized follow-up at two weeks keeps the relationship active while the 4/20 experience is still relatively recent in the customer's mind.
- Day 30: Win-back for 4/20 customers who have not returned. Loyalty balance reminder plus a return incentive tied to their specific points balance. Do not send a generic "we miss you" message. Reference the actual points they have waiting, the specific reward they could earn on their next visit, and give a time-limited incentive to come back this week rather than sometime eventually.
4/20 Compliance Considerations
4/20 is the period when cannabis advertising regulators are most attentive to dispensary marketing. The volume of campaigns going out, the aggressive promotional language some operators use, and the general visibility of the holiday puts 4/20 campaigns under heightened scrutiny in states with active enforcement. A few specific things to review before any 4/20 campaign goes live.
- No health claims in any 4/20 creative. The holiday atmosphere does not create an exception to the prohibition on health benefit claims. "Celebrate 4/20" is compliant. "Cannabis relieves stress so celebrate 4/20" is not.
- Discount language within state rules. New York, New Jersey, Massachusetts, and Connecticut all have specific restrictions on how cannabis discounts and promotional offers can be described. Review your offer language against current state guidance before scheduling any send.
- Age-verified lists only. The 4/20 holiday does not change the requirement that every SMS and email recipient must be 21-plus verified. Sending to unverified contacts is a compliance failure regardless of the day.
- Platform review before launch. Alpine IQ, SpringBig, and Dutchie may have additional review requirements for high-volume holiday campaigns. Submit creative through platform review early enough to allow for any required revisions before your scheduled send times.
4/20 is your highest-leverage marketing moment of the year. The dispensaries that maximize it are the ones that plan 30 days in advance, execute a precise multi-touch campaign sequence, push hard on loyalty enrollment during the surge, and then deploy a systematic retention sequence in the 30 days that follow. The discount you run on the day itself is almost secondary to the list you built, the loyalty members you enrolled, and the customers you brought back in the month after the holiday.