Thompson & Morgan promo codes
5 of 38 Thompson & Morgan codes passed a checkout test. Each one lists what it covers and when it was last checked.
- Codes listed
- 38
- Verified
- 5
- Sitewide
- 6
- Last checked
- Oct 14, 2026
Verified codes
65% Off
Verified
65% Off on Blueberry Duo at Thompson & Morgan
- 65% off your order
- Applies to: Select items
12% Off
Verified
12% Off Select Items (Minimum Order: $12) at Thompson & Morgan
- 12% off your order
- Applies to: other
11% Off
Verified
11% Off On Leek Below Zero F1 Hybrid Seeds at Thompson & Morgan
- 11% off your order
- Applies to: Select items
5% Off
Verified
5% Off Your First Order at Thompson & Morgan
- 5% off your order
- Applies to: Select items
SALE
Verified
£20 off your £100 spend
Unverified codes
Listed as found; some may have ended75% Off
Not verified
75% Off On 5 Postiplug Plants Petunia Surfinia Collection at Thompson & Morgan
- 75% off your order
- Applies to: Select items
65% Off
Not verified
Receive Up to 65% Off Your Purchase
55% Off
Not verified
Up to 55% Off Your Purchase at Thompson & Morgan
47% Off
Not verified
Up to 47% Off Pre-Planted Hanging Basket Orders
20% Off
Not verified
20% Off Storewide at Thompson & Morgan
- 20% off your order
- Works sitewide — no specific product required
- Applies to: storewide
20% Off
Not verified
20% Off On Your Order
20% Off
Not verified
20% Off Storewide at Thompson & Morgan
- 20% off your order
- Works sitewide — no specific product required
- Applies to: storewide
20% Off
Not verified
20% Off on 2 X 20cm Pre Planted Hanging Basket Mix at Thompson & Morgan
- 20% off your order
- Applies to: Select items
20% Off
Not verified
20% Off Your Order with Thompson & Morgan Promo Code
20% Off
Not verified
Get 20% Off Your Purchase
20% Off
Not verified
20% Off Storewide at Thompson & Morgan
- 20% off your order
- Works sitewide — no specific product required
- Applies to: storewide
15% Off
Not verified
Thompson & Morgan Promo Code: Get 15% Off Your Order
10% Off
Not verified
10% Off Collection Comprises of 60 Plants at Thompson & Morgan
- 10% off your order
- Applies to: Select items
10% Off
Not verified
Up to 10% Off with Discount Code
10% Off
Not verified
Take 10% Off Your Order
10% Off
Not verified
10% Off Your Purchase
10% Off
Not verified
10% Off Select Items at Thompson & Morgan
- 10% off your order
- Applies to: Select items
10% Off
Not verified
10% Off on 15 Garden Ready Plant Packspetunia Express Mixed at Thompson & Morgan
- 10% off your order
- Applies to: Select items
10% Off
Not verified
10% Off on Winter Bedding Cool Collection at Thompson & Morgan
- 10% off your order
- Applies to: Select items
5% Off
Not verified
5% Off Storewide at Thompson & Morgan
- 5% off your order
- Works sitewide — no specific product required
- Applies to: storewide
$6 Off
Not verified
$6 Off Storewide (any 2 Packs) at Thompson & Morgan
- Works sitewide — no specific product required
- Applies to: storewide
- Excludes: other
$3 Off
Not verified
$3 Off Mix and Match Bulb Packs Per Pack at Thompson & Morgan
- Applies to: Select items
$1 Off
Not verified
$1 Off Mix and Match Shrubs Perennials and Bulbs (log in to Apply the Code) at Thompson & Morgan
- Applies to: Select items
- Excludes: other
Free Shipping
Not verified
Free Shipping Select Items (seed Sale From 69p Plus) at Thompson & Morgan
- Applies to: Select items
- Excludes: other
Free Shipping
Not verified
Seed Packets from 69p + Free Delivery
SALE
Not verified
Receive £40 Off Your Purchase
SALE
Not verified
Exclusive Offer: Apply Code for Enhanced Savings on Your Order!
SALE
Not verified
Get Mix and Match Daffodil Pack For £3
SALE
Not verified
Save £10 Instantly
SALE
Not verified
L10 Off Storewide at Thompson & Morgan
- Works sitewide — no specific product required
- Applies to: storewide
SALE
Not verified
Use this Thompson & Morgan promo code to save on selected deals!
SALE
Not verified
L10 Off 1x9cm Prunus Incisa Kojo No Mai at Thompson & Morgan
- Applies to: Select items
SALE
Not verified
Take Advantage Now: Save Your Order More with This Code!
How to use a Thompson & Morgan code
Show and copy the code
Start with a verified code. The code opens in a new tab and this tab continues to Thompson & Morgan.
Fill your bag at Thompson & Morgan
Add the items the code applies to. Sale items and some brands are often excluded.
Paste it at checkout
Enter the code in the promo field before you pay. If the total does not change, try the next code.
Questions about Thompson & Morgan codes
Does Thompson & Morgan have a working promo code right now?
Yes. 5 of the 38 Thompson & Morgan codes listed here passed a checkout test, most recently on October 14, 2026.
What is the best Thompson & Morgan promo code today?
The strongest offer we have on file is “65% Off on Blueberry Duo at Thompson & Morgan”, which is verified.
Do Thompson & Morgan codes work on everything?
6 of the listed codes are described as sitewide. The rest are limited to selected items, a minimum spend or new customers; each code lists its terms where they are known.
How do I use a Thompson & Morgan promo code?
Select “Show code” on this page and copy the code, add your items to the bag at Thompson & Morgan, and paste the code into the promo or discount field at checkout before you pay. The order total should update straight away; if it does not, the code does not apply to your basket.
Why did my Thompson & Morgan code not work?
The usual reasons are an expired code, sale items that are excluded, a minimum spend that has not been reached, or a code limited to first orders. Codes marked “Verified” were accepted at checkout on the date shown; unverified codes are listed as found and may already have ended.
Codes are collected from public sources and re-checked on a rolling schedule; retailers can end an offer at any time. InfluencerRate may earn a commission when you shop through links on this page.