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XJ-13 Seeds

PhotoperiodFeminised
THC
22.00%
Flowering Time
63 to 70 days
Yield Indoor
Up to 2.1 oz/sq. ft
Grower Profile
Beginner
Select your SeedpackIn stock
  • Discreet and fast shipping to UK
  • Free shipping above £55.00
  • Germination Guarantee
  • 4.7/5 3197 store reviews for WeedSeedsExpress
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Strain overview

XJ-13 at a glance

Lineage
Jack Herrer x G13
  • 55% Sativa
  • 45% Indica
THC
Up to 22%
CBD
Up to 0.50%
Yield Indoor
Up to 2.1 oz/sq. ft
Height Indoor
Up to 59 inch
Genotype
Hybrid
Grower Profile
Beginner
Flowering Time
63 to 70 days
Yield Outdoor
Up to 28 oz/plant
Height Outdoor
Up to 75 inch
Gender
Feminised
Effects
EnergeticCreativeTalkativeHappy
Flavours
EarthyFruitySweetCitrusPineMint
Terpenes
TerpinoleneMyrceneCaryophylleneLimoneneLinalool
Climate
AridDesertMountainsTemperateHighland

Description

Why you should buy XJ-13 feminised Seeds

Reviews

What growers say

5Based on 4 reviews
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jones a verified

Reviewed at 2026-06-23

great pickup. mornings were very foggy last time and if not for this plant's natural resistance, it would've been game over. outdoor growing is just risky but the rewards are way better than indoors. 5 stars for this strain

Rodney verified

Reviewed at 2026-05-13

Very satisfied with my grow! The yield exceeded my expectations. I really enjoy the minty citrus combination. High-quality genetics! Cheers!

lanelle verified

Reviewed at 2024-06-26

All my XJ-13 seeds sprouted quickly, and I couldn't be happier. Every single one is strong and healthy so far. Many thanks!

Meliton verified

Reviewed at 2024-02-21

Fast shipping. Seeds arrived earlier than expected and were well-protected. XJ-13 looks promising so far.

FAQ XJ-13 seeds

Frequently asked questions

What does XJ-13 taste and smell like?

XJ-13 has a fresh citrus and pine profile with sweet, herbal notes and a hint of earthiness.

What are the effects of XJ-13?

Uplifting, clear-headed and creative with an energetic, happy high. Many find it suitable for daytime use.

What are the THC and CBD levels of XJ-13?

THC is typically around 18–22%, with low CBD (usually below 1%).

Is XJ-13 feminised or autoflowering?

XJ-13 is typically offered as a feminised, photoperiod strain (not autoflowering).

How long does XJ-13 take to flower?

Indoors, expect 8–9 weeks of flowering. Outdoors, harvest is usually late September to early October in the Northern Hemisphere.

What yield can I expect from XJ-13?

Indoors: around 1.6 oz per square feet-2 oz per square feet. Outdoors: about 21.2 oz per plant-28.2 oz per plant with optimal conditions.

How tall does XJ-13 grow?

Indoors it typically reaches 31 inch-47 inch. Outdoors it can grow up to about 79 inch with ample root space and sun.

Is XJ-13 suitable for beginners and what training works well?

Yes. It’s generally easy to moderate to grow and responds well to topping, LST, and SCROG to control height and boost yields.

Does XJ-13 grow better indoors or outdoors, and what climate does it prefer?

It performs well both indoors and outdoors. It prefers a warm, sunny, moderately dry climate with good airflow and consistent light.

Ordering Information

We offer fast, stealth shipping to the United Kingdom from our European warehouse, via Royal Mail.

The average shipping time to the UK is between 2 & 8 business days, depending on your location.

You can find further details about our ordering conditions related to shipping, payment, and guarantees below.

Shipping

Our goal is to give you the best experience possible! We ship your order quickly, offer free UK shipping, use stealth packaging, and guarantee delivery on all Royal Mail UK orders.

Free shipping

Free Royal Mail tracked shipping on all UK orders above £ 55.00.

Discreetly packaged

Your privacy matters. Our shipments are super discreet, with no mention of cannabis or seeds anywhere.

Delivery time

You can expect your order within 2 to 8 business days.

Free replacement

In rare cases where your seeds get damaged or lost during shipping, we’ll replace them for free!

Payment

We offer the following payment options:

British Bank Wire Transfer

Fast and secure bank wire transfer to our British bank account.

Credit Card & Apple Pay

Fast and secure payments 3D secure with Credit Card or Apple Pay

Crypto

Anonymous payment powered by Coingate. Binance Pay available

Cash

Sending cash is totally anonymous and without any fees. Make sure you send cash with registered tracked mail.

Credit Card (VISA and Mastercard)

Fast and secure creditcard processing.

Guarantees

Germination Guarantee

Our seeds have an average germination rate of 96%. To make sure you have a 100% germination rate, we add free seeds with every standard seedpack (Not applicable to 3-packs or BOGO Deals). In case of germination issues, feel free to contact us any time so we can work towards a solution.

Delivery Guarantee

Our delivery guarantee applies for all tracked shipments, which are available for almost all countries we deliver to. You can see if we offer tracked shipments to your country on our shipping and delivery page.

While our delivery guarantee is available for tracked shipments only, we ensure to initiate an inquiry for any shipment that fails to reach its destination. We value your input as a customer and will collaborate with you to discuss the remaining alternatives, aiming to reach an agreement on the most favorable resolution.

XJ-13
XJ-13PhotoperiodFeminised