Available At
| Product | Pack | Price | Per Seed | |
|---|---|---|---|---|
Knockout
SeedsmanUSA only
Best per seed
|
6 seeds | €53.64 $60.00 at the shop, converted at 1.1186 | €8.94/seed | View Deal |
|
Knockout
SeedsmanUSA only
Cheapest pack
|
3 seeds | €35.76 $40.00 at the shop, converted at 1.1186 | €11.92/seed +€2.98 vs cheapest | View Deal |
Knockout feminized
Zamnesia USUSA only
|
6 seeds | €53.64 was €24.00 on 2026-09-19 $60.00 at the shop, converted at 1.1186 | €8.94/seed | Not listed |
Prices from shops that bill in another currency were converted to euros at the European Central Bank reference rate of 2026-10-08. You pay the shop's own amount, which is shown next to it.
Compare Knockout with another strain
About Knockout
Knockout is a feminized sativa strain from Happy Valley Genetics. It stays tall. Flowering runs 56 to 70 days. 2 priced offers at 1 shop, from €35.76 or €8.94 per seed. Sold in packs of 3, 6 seeds. The most expensive listing is €53.64. 1 listing currently sold out.
Same kind, what it costs elsewhere
Other sativa feminized seeds in the index, cheapest per seed first.
| Strain | Breeder | Pack from | Per seed | vs this page | |
|---|---|---|---|---|---|
| Giant White Haze | Zamnesia Seeds | €4.01 | €2.52 | €6.42 cheaper | Offers |
| Lemon Power Haze | Zamnesia Seeds | €4.01 | €2.52 | €6.42 cheaper | Offers |
| Sour Diesel | MSNL | €4.01 | €2.52 | €6.42 cheaper | Offers |
| Amnesia Haze | MSNL | €4.55 | €2.79 | €6.15 cheaper | Offers |
| Blue Dream | MSNL | €4.55 | €2.79 | €6.15 cheaper | Offers |
| Choco Haze | Zamnesia Seeds | €4.55 | €2.79 | €6.15 cheaper | Offers |
Per-seed prices come from the cheapest priced pack at any shop that lists the strain. Packs differ in size, which is exactly why the comparison is per seed.
Questions about Knockout
How much does one Knockout seed cost?
€8.94 per seed, in the 6 seed pack at Seedsman. The 3 seed pack works out at €11.92 per seed, so the larger pack saves €2.98 on every seed.
How many seeds are in a pack of Knockout?
Two sizes are listed: 3 and 6 seeds, at €35.76 and €53.64.
How long does Knockout take to flower?
56 to 70 days, according to the shop that lists it.
Is Knockout feminized, autoflowering or regular?
Knockout is sold as feminized seed. It is described as sativa.
Where can I buy Knockout seeds?
Two offers in this index, at Seedsman. Prices are read from the shop's own feed and updated daily.