Four T20
This is the name on the prescription.How to read this nameStrainStrawberry Guava
Four T20 is a medical cannabis flower from Four, available in the UK on prescription only. Its strain is Strawberry Guava (indica hybrid). Its label gives THC 18 to 22% and CBD <1%. Its list price is £4 a gram; pharmacies set their own prices.
Recommended price
£4.00/g
Strawberry Guava
Four
What this product is called
- Brand
- Four
- Strain name
- Strawberry Guava
- Medical product name
- T20
The strain name is what most people call it. The medical product name is what appears on the prescription and the pharmacy label.
Strawberry Guava by Four, a gamma-irradiated medical cannabis flower with 20% THC and <1% CBD. Cultivated in South Africa, packaged in United Kingdom. RRP: £4.00/g.
Cannabinoids
Percentage of the dried flower by weight, shown as the range listed for the product
- THC
- 18 to 22%
- CBD
- <1%
Chemotype: Type I: High THC What is a chemotype?
Strain info
- Strain
- Strawberry Guava
- Classification
- Indica HybridWhat this means
- Parent strains
- Strawberry Banana (Indica Hybrid) x Papaya (Indica Hybrid)
Product facts
- Form
- Trimmed Whole Flower
- Irradiation
- Gamma-Irradiated
- Grown in
- South Africa
- Packaged in
- United Kingdom
- Import status
- Schedule I: Raw Material
Supply chain What the roles mean
The companies named for this product, from grower to pharmacy
- Four
Brand
Sold under this name
- SafriCanna
Cultivator
Grew it
- Curaleaf® Laboratories
Importer
Brought it into the UK
- Curaleaf® Laboratories
Packager
Packed it
- Grow® Group UK
Distributor
Supplies pharmacies
Pack sizes and prices
Listed prices as of March 2026. Pharmacies set their own prices, so check before you order.
| Pack size | Price | Per gram |
|---|---|---|
| 10g | £40.00 | £4.00 |
| 30g | £120.00 | £4.00 |
How much is in one gram
One gram of this flower contains about 180 to 220mg of THC and up to 10mg of CBD.
Worked out from the strength on the label. This is arithmetic, not dosing advice: follow the dose your prescriber gave you.
What patients paid
No one has reported a price for this product yet.
Bought this recently? Tell other patients what you paidSimilar products
If Four T20 is out of stock, these are the closest on type, strength and terpenes. That is a comparison of what is on the label, not advice. Only your prescriber can decide whether a different product is right for you, and changing product needs a new prescription.
- Phant SGU Smalls T22
Strawberry Guava
THC 19.8-24.2% · CBD <1%
- Same strain, different producer
- Similar THC
- Also indica hybrid
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Reviews
Pricing
per gram, recommended retail price
Low Stock
National availability, may be out of date