White Widow Seeds

Classic Dutch Genetics, Competition-Grade Potency

White Widow is one of the most decorated hybrids in cannabis history, built from a South American sativa crossed with a South Indian Indica to produce a balanced hybrid that consistently tests between 18-25% THC. That lineage combination is responsible for its signature resin production and the kind of yield-to-potency ratio that keeps commercial growers coming back to it decade after decade. If you're looking to buy White Widow seeds, you're choosing a strain with a proven genetic track record, indoor yields up to 600g/m², and an 8-9 week flowering window that makes it one of the most efficient high-THC hybrids available.

White Widow Seed Types: Feminized vs Regular

Seed TypeFlowering TimeYieldBest For
Feminized8-9 weeks400-600g/m² indoors / 500-600g/plant outdoorsMaximizing canopy efficiency, commercial grows, guaranteed flower production
Regular8-9 weeks400-600g/m² indoors / 500-600g/plant outdoorsBreeding projects, preserving White Widow genetics, creating new crosses

When to Choose White Widow Feminized Seeds

White Widow feminized seeds are the right call for growers focused purely on flower output. With indoor yields reaching 600g/m², every square foot of canopy matters, and feminized seeds let you run tight, predictable grow cycles. The 8-9 week flowering time is already on the shorter end for a hybrid with 18-25% THC, so there's no reason to add uncertainty to your timeline. The vast majority of seedbanks stocking White Widow carry feminized versions, giving you the widest selection of breeders and pack sizes to compare.

When to Choose White Widow Regular Seeds

Regular White Widow seeds are a specialist purchase. MSNL is currently the primary source for regular seeds, which makes them the go-to if you're working on a breeding project that needs authentic male White Widow genetics. The South American and South Indian Indica lineage in this strain produces males worth selecting for crosses, particularly if you're chasing heavy resin production in a new hybrid. Regular seeds also tend to be priced lower per seed, which matters if you're running large pheno hunts to find a standout White Widow expression.

Where to Buy White Widow Seeds

Compare prices from verified seedbanks

SeedbankScoreSeed TypesPrice
MSNLRegularFrom $5.90/seed
Seed CityFeminizedFrom ~$7.16/seed
Royal Queen Seeds6.9/10FeminizedFrom $9.45/seed
Sensi Seeds6.6/10FeminizedFrom $11.14/seed
Herbies SeedsFeminizedFrom $12.42/seed
Crop King Seeds7.2/10FeminizedFrom $13.00/seed
Barney's Farm4.5/10FeminizedFrom $14.30/seed
ILGM7.4/10FeminizedFrom $14.80/seed
Homegrown Cannabis CoFeminizedFrom $17.50/seed

Also available at: Seedsman

Links go directly to seedbank product pages.

White Widow Seed Specs

AttributeValue
Strain TypeHybrid
LineageSouth American x South Indian Indica
THC Content18-25%
CBD Content0.1-0.5%
Flowering Time8-9 weeks
Indoor Yield400-600g/m²
Outdoor Yield500-600g/plant
Growing DifficultyModerate
Available Seed TypesFeminized, Regular

Where to Buy White Widow Seeds Online

Seedbank Availability

Ten seedbanks currently carry White Widow seeds for sale. Feminized seeds are available from Seedsman, ILGM, Crop King Seeds, Homegrown Cannabis Co, Herbies Seeds, Sensi Seeds, Royal Queen Seeds, Barney's Farm, and Seed City. If you specifically need regular seeds to work with male White Widow plants, MSNL is your only option among this group. That single-source situation for regulars is worth noting if you're planning a breeding run and want backup stock from multiple suppliers.

Comparing Seedbanks for This Strain

Review scores across seedbanks show meaningful variation for White Widow feminized seeds. ILGM leads the group with a 7.4/10 score, followed closely by Crop King Seeds at 7.2/10. Royal Queen Seeds sits at 6.9/10, Sensi Seeds at 6.6/10, and Barney's Farm trails significantly at 4.5/10. Sensi Seeds is worth highlighting as a breeder-direct source, given their long history with this strain's Dutch genetics, but their 6.6/10 score suggests customer satisfaction with their current White Widow offering is inconsistent. For a moderate-difficulty strain like White Widow, where germination rates and genetic stability matter more than with forgiving beginner strains, ILGM's germination guarantee and higher score make them a strong choice if you're buying feminized seeds. Crop King Seeds offers solid pack size flexibility, which is useful if you want to run a small pheno hunt before committing to a larger order.

Value Assessment

White Widow's specs justify its pricing in the mid-to-premium range. A 600g/m² indoor ceiling with 18-25% THC in 8-9 weeks is a combination that outperforms many comparably priced hybrids. For context, strains like Blue Dream or AK-47 often hit similar THC ranges but require 9-10 weeks to finish, making White Widow the faster option at the same potency tier. The 0.1-0.5% CBD content is low enough that medical buyers specifically targeting CBD ratios should look elsewhere, but for THC-focused buyers, the value-per-seed calculation is strong across most of the seedbanks listed here, particularly at ILGM and Crop King Seeds where the review scores back up the genetics.

White Widow Seeds: Frequently Asked Questions

What's the difference between White Widow Feminized and Regular seeds?

White Widow feminized seeds are bred to produce only flowering plants, making them the standard choice for growers focused on the strain's 400-600g/m² indoor yield. Regular White Widow seeds produce both male and female plants from the same South American x South Indian Indica genetics, which makes them the right purchase for breeders looking to work with White Widow males. MSNL is currently the only seedbank in this group stocking regular White Widow seeds, so if regular seeds are your target, your supplier choice is already narrowed down for you.

What THC level can I expect from White Widow seeds?

White Widow seeds are verified at 18-25% THC, which puts them in the upper-mid potency range for hybrids. The variation within that range comes down to the specific breeder's phenotype selection. ILGM's version scores 7.4/10 in customer reviews, suggesting more consistent expression of the higher end of that range compared to Barney's Farm, which scores 4.5/10 and likely reflects more variable potency results. If hitting the 23-25% ceiling consistently is your goal, prioritize seedbanks with stronger review scores rather than buying purely on price.

Is White Widow a good strain for beginner growers?

White Widow is rated moderate difficulty, which means it rewards growers with at least one or two completed cycles under their belt. It's not a beginner trap, but it's also not as forgiving as strains like Northern Lights or Easy Bud. The 8-9 week flowering time gives you a relatively short window to correct any issues before harvest. Given the moderate difficulty rating, buying from a seedbank with a strong germination guarantee, like ILGM at 7.4/10, reduces the risk of losing seeds to germination failure before you even get to the grow stage.

Where can I buy White Widow seeds online?

You can buy White Widow feminized seeds from Seedsman, ILGM, Crop King Seeds, Homegrown Cannabis Co, Herbies Seeds, Sensi Seeds, Royal Queen Seeds, Barney's Farm, and Seed City. For White Widow regular seeds, MSNL is the only current option. Among the feminized sources, ILGM (7.4/10) and Crop King Seeds (7.2/10) carry the highest customer review scores for this specific strain. Sensi Seeds is worth considering for buyers who want breeder-direct Dutch genetics, though their 6.6/10 score suggests checking recent customer feedback before ordering.