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AMS XTRM ® Feminized Seeds - photo 1
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Marijuana Seeds
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AMS XTRM ® Feminized Seeds

Kiyoh 8.2/10 from 8,372 shop reviews (Sep 30, 2026) · Read reviews

Number of seeds
From €60.00

Free tracked shipping worldwide · Optional insurance at checkout

  • Sun-kissed genetics: most of our seeds are bred outdoors, under the full spectrum of natural sunlight
  • Trusted seed bank since 1996 · about us
  • Free discreet worldwide shipping · costs and tracking
  • Delivered within 21 business days in Europe, 31 elsewhere, from shipment · FAQ
  • Lost insured parcels are reshipped or refunded · conditions
  • Growing problem? Tell us within 90 days of shipment · FAQ
AMS XTRM ® Feminized Seeds
€60.00
THC
Up to 23%
Indoor yield
Up to 400 g/m²
Flowering
Average (8-12 weeks)
Effect
Creative, Euphoric, Relaxed
Difficulty
Moderate
Flavor
Citrus, Spicy, Tropical

Specifications

Seed TypeSativa
THC LevelHigh THC (Up to 23%)
YieldHigh
Yield (indoor)Up to 400 grams / 14.1 ounces per sq meter
Indica / Sativa20% / 80%
Flowering TimeAverage (8-12 weeks)
Height (indoor)Up to 110 cm / 43.3 inch
Plant SizeAverage
ClimateTemperate, Tropical
Grow DifficultyModerate
EffectsCreative, Euphoric, Relaxed
FlavorCitrus, Spicy, Tropical

About AMS XTRM ® Feminized Seeds

About AMS XTRM feminized seeds

AMS XTRM feminized seeds grow into a sativa-dominant plant, 80% sativa and 20% indica, with long-fingered leaves. The buds look pale green because of the thick layer of resin that covers them. It is a steady, stable plant that stays predictable from one run to the next, which is a good quality in a variety you plan to grow more than once. The seeds are feminized, so you do not have to sort males from females.

What are the effects of AMS XTRM?

The high is creative, euphoric and relaxed. Because the genetics lean so far toward sativa, the head effect comes first and tends to feel clear and focused, which is why many people save it for the morning or early afternoon. The relaxed side shows up as a loose, easy body feel rather than anything heavy. THC reaches up to 23%, so it sits in the high range. Start with small amounts if you are not used to strong cannabis.

Taste and aroma

The flavor is exotic: citrus and spice on top, with a tropical note underneath. The citrus is the part you notice first, and the spice lingers on the exhale.

Strain characteristics

The plant is rated moderate for difficulty. It is powerful and steady, but a first-time grower should expect to read up on watering, feeding and light distance rather than assume it will look after itself. Plant size is average, and it suits temperate and tropical climates.

Growing AMS XTRM indoors

Indoors the plant stays up to about 110 cm (43 in). That is enough room for a sativa to stretch in a tent, but check your ceiling height before you commit. Low-stress training, where you bend the main stem and tie it down, spreads the canopy and keeps the lamp at an even distance from every bud site. Yield indoors goes up to 400 grams (14 oz) per square meter (11 ft2), which counts as a high yield.

Growing AMS XTRM outdoors

Outdoors the plant gets much bigger. Its average height is around 225 cm (7.5 ft), and the yield rises to as much as 750 grams (26.5 oz) per square meter. Give it a sunny spot with space on every side. Temperate or tropical conditions are where it does best, so a short, cold season is a poor match.

Flowering time and harvest

Flowering takes 8 to 12 weeks, and the typical finish is somewhere between 9 and 11 weeks. Do not rush the harvest. The sticky resin that makes this strain recognizable builds up in the last three weeks. Look at the trichomes with a loupe or a small microscope: cloudy trichomes with a few amber ones mean the buds are ready, while mostly clear ones mean wait longer. Sativa-leaning plants often reward patience with a clearer, brighter high.

Drying and curing

Hang the branches in a dark room at moderate humidity for about a week to ten days, until the small stems snap instead of bend. Then move the buds into airtight jars and open them daily at first. A slow cure keeps the citrus and spice notes from fading.

Who is this strain for?

AMS XTRM suits growers who want a strong sativa with real yield and have a little experience behind them. It also suits people who prefer a daytime effect that is creative and upbeat but still relaxed in the body.

Product reviews

5/5Based on 2 reviews

  • Josip

    Top

    Awsome

  • Gary

    Best Yet

    Awesome service definitely be back