303 OG feminized seeds
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Feminized · Chemdawg x Pre-98 Bubba Kush

303 OG Feminized Seeds

Named for Denver's 303 area code, this Chemdawg and Pre-98 Bubba Kush cross smells of fuel, coffee and spice. 303 OG stays short at 60 to 100 cm, packs its flowers tight and finishes in 8 to 10 weeks of flowering, a natural fit for a small tent.

  • Feminized photoperiod. Every plant female; flip to 12/12 to flower
  • Chemdawg x Pre-98 Bubba Kush, indica-dominant
  • Short and bushy. 60 to 100 cm, around 350 g per plant outdoors
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Shipping is $10, free over $99. Orders over $100 get 10 free seeds, and orders over $200 get 20. Every pack is covered by our 90% germination guarantee. Charged in USD.

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Fuel from one side, coffee from the other

Chemdawg is where the sharp, diesel-and-pepper smell comes from. Pre-98 Bubba Kush, the old Bubba cut kept alive since the late nineties, adds a darker layer of roasted coffee, cocoa and earth. Together they land on a spicy, herbal fuel note with a sweet undertone that comes out as the flowers cure.

The name is a nod to 303, the area code for Denver and the Colorado Front Range, where the cross was made.

A compact plant that fills sideways

The label lists 303 OG as short, 60 to 100 cm, and it grows wide rather than tall. Bubba Kush gives it thick stems, broad leaves and close nodes, and it builds a bushy shape with many side branches. That suits a low-ceiling tent or a balcony where height is the limit.

Because it stays short, training is about spreading it out rather than holding it down. Top it once or twice and pull the branches out to the sides, and the plant becomes a flat table of tops instead of one cola. Strip the small shoots underneath; they will not make useful flowers under a short canopy.

Strain label

303 OG Feminized Seeds · The Seed Pharm
Seed type
Feminized Seeds
Lineage
Chemdawg x Pre-98 Bubba Kush
Indica / sativa
Indica-dominant
THC
26% THC
Flowering time
8-10 weeks
Height
Short (60-100 cm)
Outdoor yield
350 g per plant
Grows
Indoor/Outdoor

How to grow 303 OG

Keep it under 18 hours of light in veg and flip to 12/12 when the plant is about two-thirds of the size you want, since it stretches little. Flowering takes 8 to 10 weeks. The dense flowers need dry air late in bloom, so lower the humidity over the last few weeks and keep a fan across the canopy.

Outdoors it finishes in early to mid October in southern Canada, which is late for a damp coastal autumn, so a greenhouse or covered patio is the safer plan there. In a sunny spot, the label puts the outdoor return around 350 g per plant.

Read next: How to germinate seeds · Ontario guide · BC guide

303 OG pack prices

PackPricePer seedYou saveBonus seedsShipping
3 seeds$39$13.00Base priceNone$10
5 seeds$55$11.00$10 (15%)None$10
10 seeds$105$10.50$25 (19%)10 freeFree
20 seeds$180$9.00$80 (31%)10 freeFree

Prices in USD. Savings are against the 3-seed price per seed. Bonus seeds are added at checkout once your whole order passes $100, and 20 once it passes $200.

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303 OG questions

Why is it called 303 OG?

303 is the area code for Denver, Colorado, where this Chemdawg and Bubba Kush cross was made.

How tall does 303 OG get?

The label lists it as short, 60 to 100 cm. It grows wider than it grows tall.

How long does 303 OG flower?

8 to 10 weeks once it is on 12/12. It is a slower finisher than most indicas.

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From growers who ordered other strains
5 out of 5

Great people to work with and supreme quality genes. You’ll be happy.

Mike, on Pineapple Express Feminized Seeds, February 2023
$555 seeds
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