Permanent Marker – Advanced Seeds
  
Permanent Marker by Advanced Seeds is an exceptional feminised strain bred for extreme potency, heavy production and standout terpene expression. With THC levels reaching an impressive 30–34%, this variety ranks among the strongest available, delivering an intensely powerful experience accompanied by rich, complex aromas. Fast-flowering, high-yielding and vigorous in both indoor and outdoor environments, Permanent Marker is a premium choice for growers seeking top-tier performance.
  
Strain Information:

    Strain Name: Permanent Marker

    Strain Breeder: Advanced Seeds

    Lineage: Not specified (high-potency hybrid line)

    Genetics: Indica / Sativa hybrid

    Seed Type: Feminised

    Flowering Type: Photoperiod

    Flowering Time: 60–65 Days

    Effect: Extremely potent, long-lasting and deeply impactful

    Aroma: Rich, complex hybrid aroma with sweet and pungent notes

    Taste: Layered flavour profile with sweet, earthy and subtle fruity tones

    Height: Indoors 70–90 cm; outdoors 260–290 cm

    Yield: 550–600 g/m²

    THC: 30–34%

    Harvest: Mid to late October (outdoor)
  
  
Strain Description:

    Permanent Marker is engineered for maximum potency and resin production, forming dense, sticky flowers coated heavily in trichomes. Its THC content of up to 34% ensures a highly intense, long-lasting effect suited for experienced users. The strain combines fast flowering with substantial yields, producing hard, aromatic buds with excellent bag appeal. Its complex terpene profile delivers a rich blend of sweet and earthy tones that complement its powerful hybrid effect.
  
Growing Information:

    Indoors, Permanent Marker maintains a compact height of 70–90 cm, making it manageable for most grow spaces while still producing high yields. Outdoors, plants can reach nearly 3 metres, thriving in warm, sunny conditions. The strain flowers within 60–65 days, allowing for rapid cycles without compromising on quality. Sturdy branch structure helps support the weight of its dense buds, and the cultivar responds well to techniques such as topping, LST and SCROG to maximise production.
  
Strain Flavour and Aromas:

    Permanent Marker offers a multi-layered terpene expression, delivering a bold aroma with sweet, pungent and earthy characteristics. The flavour follows suit, blending sweetness with deeper herbal and subtle fruity tones for a rich, satisfying profile that stands out among high-THC hybrids.
  
Strain Lineage:

    Though its exact ancestry is not specified, Permanent Marker clearly draws from elite high-potency hybrid genetics. These influences contribute to its extreme resin production, elevated THC levels, complex terpene profile and robust growth pattern both indoors and outdoors.
  
Strain Summary:

    Permanent Marker by Advanced Seeds is a powerhouse feminised strain offering 30–34% THC, a 60–65 day flowering cycle and yields of 550–600 g/m². With exceptional potency, complex flavour, heavy resin output and strong growth potential, it is a top-tier option for growers seeking premium-quality, ultra-strong cannabis genetics.