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Sundae Frost Auto™

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1
fem
$15.00
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  • Genetics: Sundae Frost Auto™ = Frostbanger Auto F4 x Sundae Thumper
  • Seed Type: F1 Hybrid Feminized Autoflower
  • Dessert gas profile. Sweet creamy notes backed by a deeper, heavier edge.
  • Extreme resin coverage. Thick frost that stands out visually and functionally.
  • Cup proven lineage. Bred from two of the most recognized autos.
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Tech Radar

Sundae Frost Auto™
Climate Intended
Very Hot
Hot
Moderate
Cold
Very Cold
Genes
Sativa
Mostly Sativa
Hybrid
Mostly Indica
Indica
Smell
Very Strong
Strong
Moderate
No filter needed
High
Medium
Low

Tech Specs

Parameter Value
Taste Fresh, Fruits, Spicy, Sweet
CBD < 1%
Harvest US Indoor 1.4 – 1.8 oz/ft2
Harvest US Outdoor 3 – 9 oz/plant
Size L
Height US 23 – 39 inches
Flowering 7 – 8 weeks
Room Indoor/Outdoor/Greenhouse/Mixlight
Gender 100% Female
Genes Sativa 50%/Indica 50%
Genetics Frostbanger Auto F4 x Sundae Thumper
Seed Type F1 Hybrid Feminized Autoflower

Genetic tree

Sundae Frost Auto™
Frostbanger Auto
Gorilla Auto
Gorilla Glue
Fast Buds Auto #1
Bruce Banner Auto
Bruce Banner
Strawberry Pie Auto
Original Sour Diesel Auto
Sour Diesel
Fast Buds Auto #1
Sundae Thumper Auto
Gelato #45
Girl Scout Cookies
Sunset Sherbert
Forum Stomper Auto
Forum Cookies
Sour Stomper Auto
Genetic tree — Sundae Frost Auto™. Source: GrowDiaries.com

Description

This fast-finishing autoflower comes from our own Frostbanger Auto F4 (winner of The Strongest Autoflower title at the Autoflower World Cup) crossed with Sundae Thumper (Mephisto Genetics; Best Hybrid at the American Autoflowe Cup). It is built for efficiency and visual appeal, completing its full cycle in just 70–75 days from seed to harvest. Plants typically reach 60–100 cm, making it an excellent choice for growers working with limited space or seeking quick, reliable turnovers.

During testing, two distinct phenotypes were observed, both sharing the same terpene profile but differing in coloration. The first phenotype displays predominantly green buds with subtle purple or pink accents, while the foliage remains green throughout the entire cycle. The second phenotype introduces a more dramatic contrast: buds remain mostly green with purple highlights, but the leaves develop deep black-ish tones, giving the plant a striking, premium appearance that stands out in any grow room.

Despite these visual differences, both phenotypes deliver a consistent aromatic profile. Expect a sweet, spicy, and notably fresh scent, combining a clean, uplifting character with a subtle depth that becomes more pronounced as the buds mature.

This variety offers a balanced combination of speed, uniform structure, and aesthetic diversity, making it well-suited for both home growers and those looking to maximize production cycles without compromising on quality or bag appeal.

Packaging

Sealed to ensure authenticity
Waterproof Coating
Aluminium interior lining
Pack front
Pack seed
Pack back
Protective sticker
QR code
Scratchable serial number

Compare with similar strains

Rating
Indoor
Harvest US Outdoor
Size
Height US
Flowering
Genes
(1)
450 – 600 gr/m2
3 – 9 oz/plant
L
23 – 39 inches
7 – 8 weeks
Sativa 50%/Indica 50%
550 – 650 gr/m2
2 – 12 oz/plant
XXL
39 – 60 inches
10 weeks
Sativa 45%/Indica 55%
450 – 600 gr/m2
3 – 11 oz/plant
XXL
35 – 59 inches
10 weeks
Sativa 55%/Indica 45%
550 – 650 gr/m2
2 – 12 oz/plant
XXL
39 – 60 inches
9 weeks
Sativa 30%/Indica 70%
400 – 500 gr/m2
2 – 5 oz/plant
XL
24 – 43 inches
8 – 9 weeks
Sativa 40%/Indica 60%
450 – 600 gr/m2
2 – 9 oz/plant
XXL
27 – 47 inches
9 – 10 weeks
Sativa 60%/Indica 40%
450 – 550 gr/m2
2 – 6 oz/plant
XL
31 – 47 inches
9 – 10 weeks
Sativa 20%/Indica 80%
450 – 550 gr/m2
2 – 5 oz/plant
XL
28 – 47 inches
8 – 9 weeks
Sativa 60%/Indica 40%
450 – 550 gr/m2
2 – 7 oz/plant
XL
31 – 47 inches
8 weeks
Sativa 30%/Indica 70%
400 – 550 gr/m2
2 – 9 oz/plant
XL
31 – 47 inches
9 – 10 weeks
Sativa 55%/Indica 45%
450 – 550 gr/m2
2 – 7 oz/plant
XL
28 – 47 inches
8 – 9 weeks
Sativa 50%/Indica 50%
400 – 550 gr/m2
2 – 5 oz/plant
L
24 – 39 inches
8 weeks
Sativa 55%/Indica 45%
450 – 550 gr/m2
2 – 7 oz/plant
XL
28 – 47 inches
9 weeks
Sativa 40%/Indica 60%
500 – 600 gr/m2
3 – 11 oz/plant
XXL
31 – 59 inches
8 – 9 weeks
Sativa 25%/Indica 75%
500 – 600 gr/m2
2.4 – 9.5 oz/plant
XL
31 – 47 inches
9 – 10 weeks
Sativa 45%/Indica 55%

Customer reviews

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S
Swett
Created 16 April
Fatal combo!
Been waiting a while! Straight to my garden!!
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Sundae Frost Auto™
Sundae Frost Auto™' pack backside
Sundae Frost Auto™
Sundae Frost Auto™' pack frontside

GrowDiaries reviews

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Customer questions & answers

Does it really get that frosty?
Absolutely. This is one of those strains where the resin is impossible to ignore. The buds look coated, feel sticky, and stand out immediately, whether you are growing or just showing it off.
What is the flavor and aroma like?
Think dessert with attitude. Sweet and creamy notes come first, then a deeper, slightly gassy edge comes through. It smells rich, fresh, and just strong enough to let you know it means business.
Is it beginner friendly?
Very much so. It stays compact, grows in a predictable way, and does not demand constant attention. It is one of those strains that makes you feel like you know what you are doing, even if you are still learning.
How fast does it finish?
Quick enough to keep things exciting. You are looking at around 70 to 75 days from seed to harvest, which makes it perfect if you like fast cycles without cutting corners on quality.
What makes Sundae Frost Auto special?
It is built from serious champions. You have Frostbanger bringing raw strength and resin, and Sundae Thumper adding that dessert style richness. The result feels like a strain that knows exactly what it is doing.
Is this more for beginners or experienced growers?
Honestly, both. It’s easy enough for newcomers to handle, but still delivers the kind of speed, consistency, and bag appeal that experienced growers appreciate. Low stress, high reward.
How does it smell while growing?
Think sweet and spicy with a fresh twist. It starts light and clean, then gradually deepens as the buds mature, like it’s building character over time.
What’s the deal with the different looks?
This one likes to surprise you. Some plants stay mostly green with soft purple or pink hints, while others go full drama mode with dark, almost black leaves and contrasting buds. Same genetics, different vibes.
Will it fit in a small grow space?
Absolutely. Staying around 60–100 cm, this plant keeps things compact without sacrificing performance. It's great for tents, closets, or anyone not working with a jungle-sized setup.
How fast is this strain, really?
From seed to harvest, you’re looking at just 70–75 days, making it perfect if you’re impatient (or just love quick turnarounds).
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