Home » Shop » Feminized Seeds » London Purpz

London Purpz Feminized Seeds

Q: What is the ideal flowering time?

Flowering runs 8 to 9 weeks. Harvest when trichomes are mostly cloudy with spotty amber.

Q: How do I trigger purple coloration?

Lower night temperatures in late flower and keep phosphorus levels steady. Pheno genetics also influence purple tones.

Q: What training suits London Purpz?

Use SCROG or low-stress training to boost bud sites. Topping at 3 to 4 nodes helps shape the canopy.

Q: How much nitrogen during veg?

Maintain moderate nitrogen. Move to a balanced NPK as flowering starts to avoid excess foliage.

Q: How do I avoid mold and rot?

Keep RH below 50 percent during late flower. Provide good airflow and remove dense inner foliage.

Q: What soil or medium works best?

Use a well-aerated soil or coco with steady drainage. London Purpz responds to feed schedules in inert media.

Q: When should I flush before harvest?

Start a flush 7 to 10 days before harvest to improve smoke and flavor.

Q: What temperatures suit flowering?

Keep day temps 20 to 26 C and nights 15 to 18 C to preserve terps and color.

Q: How strong are the effects?

Effects are medium to strong. Expect a cerebral lift that moves into heavy body relaxation.

Q: Is this strain good for beginners?

It fits growers with some experience. Learn humidity control and basic training before running large batches.

Indica-leaning strain with purple buds and heavy body effects.

Purple buds with heavy resin
8 to 9 week flowering window
Ideal for evening use and sleep

London Purpz offers dense purple buds, strong resin coverage, and a grape-forward flavor. Growers report an 8 to 9 week flower and stable yields with basic training. The effect profile moves from a mild cerebral lift to deep, sedating relaxation. Medicinal users choose this strain for sleep and pain relief.

London Purpz Feminized Seeds Quick Facts

All the essential strain details at a glance for growers and users.

Property	Value	Description
Type	Indica-dominant hybrid	London Purpz is an indica-dominant hybrid with dense, resinous buds.
THC Content	18-22%	THC sits around 18 to 22 percent. Expect a clear lift that moves into heavy body relaxation.
CBD Content	≤0.5%	CBD remains low, under 0.5 percent, so effects target relaxation and sleep more than inflammation.
Grow Difficulty	Intermediate	Grow difficulty is intermediate. You need basic skills on pruning, humidity, and mildew prevention.
Flowering Time	8-9	Flowering runs 8 to 9 weeks. Start flush in the final 7 to 10 days.
Yield	Medium-High (400-550 g/m² indoor)	Indoor yields range 400 to 550 grams per square meter with proper training. Outdoor plants often reach 400 to 600 grams per plant in good climates.
Height	Short to Medium (60-120 cm)	Plants stay short to medium in height. Expect 60 to 120 centimeters with standard training.
Environment	Indoor, Outdoor	Performs well indoors and outdoors. Use SCROG or low-stress training to control the canopy.
Effects	Relaxed, Euphoric, Sleepy	Effects move from a light cerebral uplift to deep body relaxation and sleepiness. Best for evening or night use.
Flavor Profile	Grape, Earthy, Sweet berry	Flavors hit grape, sweet berry, and earth. Terpenes lean toward myrcene and caryophyllene.
Genetics	Purple Urkle x London Poundcake	Genetics read Purple Urkle x London Poundcake. Expect purple hues and heavy trichome coverage in late flower.
Climate	Temperate to Mediterranean	Prefers temperate to Mediterranean climates. Protect late flowers from prolonged rain to avoid rot.

Frequently Asked Questions

Answers to Common Questions About Growing London Purpz Cannabis Seeds

What is the ideal flowering time?

How do I trigger purple coloration?

What training suits London Purpz?

How much nitrogen during veg?

How do I avoid mold and rot?

What soil or medium works best?

When should I flush before harvest?

What temperatures suit flowering?

How strong are the effects?

Is this strain good for beginners?

Note: With our BOGO Promo, your FREE Seeds can be any strain you choose.

BEGINNER +2 FREE

3 Seeds

$36.99

+5 FREE SEEDS

5 Seeds

$59.99

+10 FREE SEEDS

10 Seeds

$104.99

+25 FREE SEEDS

25 Seeds

$219.99

Total: $36.99

Qty:

5.0 Average

Reviews ★★★★★

1 reviews

Customer photos 0 photos available

No photos available

Mariano 14 September 2026

★★★★★

I’ve grown London Purpz myself, and honestly, the results made me feel like I got my money’s worth.

Customer Questions & Answers

0 Was this helpful?

Q: My buds are dense but late to finish. What next?

A: Check trichome color first. If still clear, give another 5 to 7 days. Keep RH low and feed a bloom booster on a light schedule.