Humboldt Seed Co

California Sour Diesel Auto

★★★★ 4.0 · 6 reviews 100% Germ Guarantee
What our 100% guarantee means
Every California Sour Diesel Auto seed is guaranteed to germinate. If any seed in your pack doesn't pop, we replace it free — no hassle, no extra cost.
Auto Flower
California Sour Diesel Auto
California Sour Diesel Auto
California Sour Diesel Auto
Cali Sourd1
Cali Sourd2
Cali Sourd3
$45.00
In stock · ships in 1–2 business days
FREE Buy any HSC Pack, get a FREE Vanilla Creme Pie Photo Fem Photo 3-Pack!
Only 14 packs left at this price
3 Pack5 Pack10 Pack
Choose your pack click to compare
1
Secure checkout · Visa Mastercard Amex Discover
100% germination guarantee — we make it right.
99% of orders ship in 1–2 business days.
Discreet, stealth packaging on every order.
Secure checkout via all major cards.
Germination Guarantee
If a seed doesn't pop, we replace it — no hassle, no extra cost.
Free Seed Rewards $84 away from 18 free seeds
Spend $120 to unlock 18 free seeds ($270 value) + free shipping.
About this strain
Our California Sour Diesel is a classic and is bred to grow and grow.
It has a sour lemon citrus fuel smell and is helpful for relaxing and as an appetite stimulant.

FLOWERING TIME: 70 DAYS, October 15-25

20 INDICA/80 SATIVA
HUGE PRODUCER
AMAZING SOUR SMELL
F5

Grower's spec sheet
Genetics & Grow Data
Packsize3 Pack, 5 Pack, 10 Pack
Flowering TypeAutoFlower
BreedSativa
Plant GenderFeminized
Empty fields show a fill-in placeholder until you add the data per strain. Yields vary with grower experience, medium, environment, and nutrients.
What growers say
5.0
★★★★★
42 reviews
5
4
3
2
1
★★★★★ ✓

As a disabled Army veteran, finding balance after service isn't always easy. Cannabis became an important part of that process for me, and companies like...

★★★★★ ✓

An awesome company, top to bottom, great customer service and they always have huge discounts to get the most bang for your buck!

★★★★★ ✓

Quick responses from customer support. Even faster shipping time. Popping these babies soon. Super excited!

★★★★★ ✓

So far so good nothing to complain about

Pairs well with
Crazy Train | Atlas Seeds | FEM Fast Photoperiod Seeds
Crazy Train | Atlas Seeds | FEM Fast Photoperiod Seeds
$20.00 ★ 4.7
SENSI SEEDS - SILVER HAZE STRAIN - REG PHOTO - 10 PACK
SENSI SEEDS - SILVER HAZE STRAIN - REG PHOTO - 10 PACK
$95.00 ★ 4.4
SENSI SEEDS - JAMAICAN PEARL STRAIN - REG PHOTO - 10 PACK
SENSI SEEDS - JAMAICAN PEARL STRAIN - REG PHOTO - 10 PACK
$61.00 ★ 4.8
SENSI SEEDS - EARLY PEARL STRAIN - REG PHOTO - 10 PACK
SENSI SEEDS - EARLY PEARL STRAIN - REG PHOTO - 10 PACK
$61.00 ★ 4.1
Common Questions
Seeds are sold as adult novelty and collectible items. It's your responsibility to know and follow the laws in your area before germinating.
Spend $120 to unlock 18 free seeds ($270 value) plus free shipping. Eligible freebies are added automatically at checkout — no code needed.
Our 100% germination guarantee has you covered. Reach out with your order number and we'll replace any seed that doesn't pop.
99% of orders ship within 1–2 business days from Nevada in discreet, crush-proof packaging with no external branding.
Blueberry Muffin grows uniformly and forgivingly, which makes it a confident pick for newer growers. Difficulty details appear in the spec sheet once added.