Island Sweet Skunk by Federation Seeds
1 other breeder's version of Island Sweet Skunk — compare flowering times side by side →
Whenever the conversation turns to the greatest Canadian cannabis strains of all time, Island Sweet Skunk (often just called ISS) is always sitting near the top of the list. With roots running deep into the Vancouver Island guerrilla growing scene, this sativa-dominant beast is a piece of living history, reportedly originating from stabilized sativa lines brought back by Vietnam veterans and crossed with classic Skunk #1. It was the legendary crew at Federation Seeds who finally put a name to the legend and offered these genetics to the masses. In an era where tight, quick-finishing indicas ruled the cash-crop scene, ISS was the unapologetic, soaring sativa that connoisseurs gladly waited the extra weeks to harvest.
Let's get one thing straight: if you’re putting Island Sweet Skunk in your tent, you better have some serious headroom and a roll of trellis netting ready. This plant has a notorious stretch during the first few weeks of flower, turning into a massive, lanky bush that practically begs to be SCROG'd or super-cropped. But if you can tame the canopy and keep the humidity dialed in, the reward is mind-blowing. Flowering out in about 8 to 10 weeks, ISS produces absolute spears of bud. While the flowers might have that slightly airy, classic sativa structure, the sheer volume and weight mean indoor growers regularly pull massive 500–600 gram yields, while outdoor trees on the Island were known to hit over a kilo per plant.
The nose on ISS is loud enough to warrant serious carbon filtration. It reeks of sharp, sweet pink grapefruit and citrus, backed by a deeply pungent, skunky funk that lingers in the room long after you open the bag. Unlike the couch-locking crosses of today, Island Sweet Skunk delivers a pure, unadulterated cerebral rush. It's an energetic, hyper-focused, and uplifting high that gets the heart racing and the creative juices flowing. For the old-school heads who still chase that electric daytime sativa effect, Federation's ISS remains an absolute holy grail.
🌿 Start a Island Sweet Skunk journal — free →
Similar strains
| Breeder | Federation Seeds |
|---|---|
| Type | mostly sativa |
| Flowering time | ±60 days |
| Environment | Outdoors |
| Lineage | Island Sweet Skunk |
| Descendants | Sweet Island Skunk, Island Sweet Skunk x Jamaican, The Best, Outer Space, Island Sweet Skunk x Celestial Temple Sativa, Sky Kush, The Honolulu Strangler, Sweet Dragon, Golden Goat, Sweet PCK, Sweet Sputty, Island Sweet Skunk x Purple Shaman, Purple Kush x ISS, Sunburn, Island Sweet Skunk, Watermelon Taffy, Fruit Island, Remus, GoDISS, Grape Jelly, Island Sweet Skunk x BC Skunk |
🌱 Get Island Sweet Skunk seeds →
Affiliate link — supports Cultivar at no cost to you.
🧬 Explore the family: Island Sweet Skunk · Sweet Island Skunk · Island Sweet Skunk x Jamaican · The Best · Outer Space · Island Sweet Skunk x Celestial Temple Sativa · Sky Kush · The Honolulu Strangler · Sweet Dragon
Ancestry Pedigree
Unknown or Legendary
Spice of Life Seeds
Spice of Life Seeds
Clone Only Strains
Original Strains
Original Strains
Sensi Seeds
The Seed Bank
Clone Only Strains
Unknown or Legendary
Original Strains
Original Strains
Cultivators Choice
Unknown or Legendary
Original Strains
Original Strains
Original Strains
Unknown or Legendary
De Sjamaan
Original Strains
Original Strains
Growing Island Sweet Skunk: what to expect
As a sativa-leaning plant, plan for a big stretch after the flip (often 100–200%) — flip earlier than feels natural and keep training options ready. Sativa-leaning plants also generally prefer a lighter feed than heavy indicas. Growers familiar with Island Sweet Skunk will recognize much of its behavior. Whatever the listing says, the cut in YOUR tent is the ground truth: log feedings, readings, and photos, and let the trends — not the label — drive decisions.
Island Sweet Skunk FAQ
How long does Island Sweet Skunk take to flower?
Island Sweet Skunk typically flowers in around 60 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is Island Sweet Skunk an indica or a sativa?
Island Sweet Skunk is listed as mostly sativa.
What are the parents of Island Sweet Skunk?
Island Sweet Skunk was bred from Island Sweet Skunk by Federation Seeds.
What environment does Island Sweet Skunk like?
Standard cannabis bands work well: VPD 0.8–1.1 kPa in veg and 1.0–1.4 kPa in flower, with humidity stepping down from 65–75% as a seedling to 40–50% in late flower. See the stage-by-stage table on this page.
📷 Growing Island Sweet Skunk and something looks off? Free AI photo diagnosis →
Facts compiled from public breeder listings. Growing Island Sweet Skunk? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.
Track your own grow free — the journal grades your environment against these bands →
Get the one-page grow reference card
VPD, pH by medium, deficiency symptoms and dry/cure targets on a single printable page. Free — plus the occasional grow-data breakdown. No spam, unsubscribe in one click.