
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 Type | Flowering Time | Yield | Best For |
|---|---|---|---|
| Feminized | 8-9 weeks | 400-600g/m² indoors / 500-600g/plant outdoors | Maximizing canopy efficiency, commercial grows, guaranteed flower production |
| Regular | 8-9 weeks | 400-600g/m² indoors / 500-600g/plant outdoors | Breeding 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
| Seedbank | Score | Seed Types | Price | |
|---|---|---|---|---|
| MSNL | Regular | From $5.90/seed | View at MSNL → | |
| Seed City | Feminized | From ~$7.16/seed | View at Seed City → | |
| Royal Queen Seeds | 6.9/10 | Feminized | From $9.45/seed | View at Royal Queen Seeds → |
| Sensi Seeds | 6.6/10 | Feminized | From $11.14/seed | View at Sensi Seeds → |
| Herbies Seeds | Feminized | From $12.42/seed | View at Herbies Seeds → | |
| Crop King Seeds | 7.2/10 | Feminized | From $13.00/seed | View at Crop King Seeds → |
| Barney's Farm | 4.5/10 | Feminized | From $14.30/seed | View at Barney's Farm → |
| ILGM | 7.4/10 | Feminized | From $14.80/seed | View at ILGM → |
| Homegrown Cannabis Co | Feminized | From $17.50/seed | View at Homegrown Cannabis Co → |
Also available at: Seedsman
Links go directly to seedbank product pages.
White Widow Seed Specs
| Attribute | Value |
|---|---|
| Strain Type | Hybrid |
| Lineage | South American x South Indian Indica |
| THC Content | 18-25% |
| CBD Content | 0.1-0.5% |
| Flowering Time | 8-9 weeks |
| Indoor Yield | 400-600g/m² |
| Outdoor Yield | 500-600g/plant |
| Growing Difficulty | Moderate |
| Available Seed Types | Feminized, Regular |
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.