Sweet Seeds Cannabis Seeds: XL Auto, F1 Fast, Feminized

Three lines carry this shelf, and picking the line is most of the decision. Feminized versus regular versus autoflowering seed types is the split to settle first: XL AUTO for speed with no light timer to worry about, F1 FAST VERSION for photoperiod structure that still finishes early, and the standard feminized photoperiods when you're happy to wait. All of it sits inside our wider cannabis seeds range, so you can cross-shop breeders once you know which shape suits your space.

XL AUTO: Eight Weeks From Seed, No Timer Needed

This is the big autoflowering line, and "XL" refers to the plants rather than the pack. Sweet Mimosa XL Auto, Purple Punch OG XL Auto, Tropicanna Cherry XL Auto, Permanent Marker XL Auto, Super Boof XL Auto, Crystal Candy XL Auto, Sweet Zenzation XL Auto, Sweet Mandarine Zkittlez XL Auto and Big Devil XL Auto all live here. Orange Apricot Glue XL Auto is the one we'd point at first: 8 weeks from sprouting, 55 to 135cm, 450 to 650g/m² indoors and up to 180g per plant outside, with THC up to 25% and a sweet fruit smell cut with spice, earth and citrus. Mimosa Bruce Banner XL Auto runs 18 to 26% THC at 50 to 130cm, and Dark Devil Auto is the show pony: 8 and a half weeks, 80 to 130cm, 400 to 600g/m², buds that turn dark red to near-black on around 80% of plants, and a fruity resin smell with incense and citrus underneath.

Watch out for the clock, though. An auto runs on its own schedule, so a week lost to overwatering or a rough transplant is a week you never get back, and your yield lands at the bottom of the range instead of the top. If you like room to fix mistakes halfway through, the F1 FAST VERSION line is more forgiving.

F1 FAST VERSION and the Slow-Lane Feminized Packs

F1 Fast Version means a photoperiod plant with an autoflowering ancestor in the mix, so flowering is short while you keep full control of the light. Tropicanna Poison F1 Fast Version flowers in 6 to 7 weeks for 450 to 600g/m² indoors, 400 to 650g per plant outdoors from late August into early September, 16 to 24% THC, and tastes of mango, earth, wood and skunk. Around 80% of plants show those pink-red colas. Green Poison F1 Fast Version is the faster take on the old Green Poison, and the line also holds Crystal Candy, Sweet Skunk, Gorilla Girl, Gorilla Sherbet, Pink Guava and Cream Caramel.

Red Hot Muffin, Sweet Cherry Pie, Gelonade and the mixed packs

The straight feminized photoperiods are where the terpenes get loudest, since nothing is rushed. If you can't choose, the mixed packs like Terp Explosion Mix and American Pie Mix spread the risk across several genetics in one purchase.

Cups, Spelling, and What Lands in Your Letterbox

Growers rate these Spanish breeders for a reason, and there's paperwork behind it. Sweet Seeds took first prize in the Best Indica category at the Spannabis Champions Cup 2017, Cream Caramel Auto has been a serial winner on the Spanish cup circuit in auto form, and S.A.D. S1, short for Sweet Afghani Delicious, was picked in 1998 as the favourite plant of Valencia before taking second at the Valencian cannabis cup. S.A.D., Green Poison, Green Poison Auto and Green Poison XL Auto are all on the shelf if you want the classics rather than the new-season crosses.

Half of you type "sweed seeds" or "sweet seed" into Google, and you still end up here. Same breeder, spelled Sweet Seeds. To narrow things down by height, flowering time or effect, filter by breeder in our Seedfinder, then check the individual strain pages for the full spec. Flowering time in weeks and seed-to-harvest days for autos sit near the top of each listing, along with the THC and CBD percentage ranges, so you can line two packs up side by side before you commit. Orders go out fast in discreet packaging.

Never grown a Sweet Seeds pack before? Start with Sweet Skunk Auto, ready 7 weeks from germination at 60 to 90cm and 400 to 500g/m², or take Red Strawberry Banana Auto if you want that sweet-shop fruit flavour at 15 to 20% THC. If you'd rather compare against another breeder first, White Label's Skunk 1 Autoflower covers the same 7 to 8 week window from seed.